Mercurial > hg
annotate mercurial/changegroup.py @ 44712:a825bfbf6642
templatekw: cache mergestate even if merge is not ongoing
While playing with eBPF, I noticed .hg/merge/state{,2} files were tried
to open() for each revision. That's not healthy. Let's cache the "inactive"
state as well.
author | Yuya Nishihara <yuya@tcha.org> |
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date | Wed, 15 Apr 2020 23:11:55 +0900 |
parents | 9d2b2df2c2ba |
children | c93dd9d9f1e6 |
rev | line source |
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1 # changegroup.py - Mercurial changegroup manipulation functions |
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2 # |
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3 # Copyright 2006 Matt Mackall <mpm@selenic.com> |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
10263 | 6 # GNU General Public License version 2 or any later version. |
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7 |
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8 from __future__ import absolute_import |
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9 |
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10 import os |
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11 import struct |
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12 import weakref |
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13 |
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14 from .i18n import _ |
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15 from .node import ( |
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16 hex, |
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17 nullid, |
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18 nullrev, |
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19 short, |
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20 ) |
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21 from .pycompat import open |
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22 |
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23 from . import ( |
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24 error, |
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25 match as matchmod, |
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26 mdiff, |
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27 phases, |
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28 pycompat, |
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29 util, |
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30 ) |
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31 |
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32 from .interfaces import repository |
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33 |
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34 _CHANGEGROUPV1_DELTA_HEADER = struct.Struct(b"20s20s20s20s") |
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35 _CHANGEGROUPV2_DELTA_HEADER = struct.Struct(b"20s20s20s20s20s") |
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36 _CHANGEGROUPV3_DELTA_HEADER = struct.Struct(b">20s20s20s20s20sH") |
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37 |
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38 LFS_REQUIREMENT = b'lfs' |
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39 |
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40 readexactly = util.readexactly |
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41 |
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42 |
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43 def getchunk(stream): |
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44 """return the next chunk from stream as a string""" |
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45 d = readexactly(stream, 4) |
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46 l = struct.unpack(b">l", d)[0] |
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47 if l <= 4: |
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48 if l: |
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49 raise error.Abort(_(b"invalid chunk length %d") % l) |
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50 return b"" |
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51 return readexactly(stream, l - 4) |
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52 |
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53 |
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54 def chunkheader(length): |
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55 """return a changegroup chunk header (string)""" |
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56 return struct.pack(b">l", length + 4) |
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57 |
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58 |
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59 def closechunk(): |
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60 """return a changegroup chunk header (string) for a zero-length chunk""" |
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61 return struct.pack(b">l", 0) |
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62 |
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63 |
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64 def _fileheader(path): |
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65 """Obtain a changegroup chunk header for a named path.""" |
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66 return chunkheader(len(path)) + path |
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67 |
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68 |
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69 def writechunks(ui, chunks, filename, vfs=None): |
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70 """Write chunks to a file and return its filename. |
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71 |
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72 The stream is assumed to be a bundle file. |
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73 Existing files will not be overwritten. |
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74 If no filename is specified, a temporary file is created. |
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75 """ |
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76 fh = None |
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77 cleanup = None |
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78 try: |
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79 if filename: |
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80 if vfs: |
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81 fh = vfs.open(filename, b"wb") |
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82 else: |
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83 # Increase default buffer size because default is usually |
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84 # small (4k is common on Linux). |
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85 fh = open(filename, b"wb", 131072) |
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86 else: |
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87 fd, filename = pycompat.mkstemp(prefix=b"hg-bundle-", suffix=b".hg") |
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88 fh = os.fdopen(fd, "wb") |
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89 cleanup = filename |
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90 for c in chunks: |
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91 fh.write(c) |
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92 cleanup = None |
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93 return filename |
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94 finally: |
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95 if fh is not None: |
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96 fh.close() |
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97 if cleanup is not None: |
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98 if filename and vfs: |
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99 vfs.unlink(cleanup) |
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100 else: |
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101 os.unlink(cleanup) |
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102 |
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103 |
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104 class cg1unpacker(object): |
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105 """Unpacker for cg1 changegroup streams. |
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106 |
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107 A changegroup unpacker handles the framing of the revision data in |
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108 the wire format. Most consumers will want to use the apply() |
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109 method to add the changes from the changegroup to a repository. |
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110 |
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111 If you're forwarding a changegroup unmodified to another consumer, |
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112 use getchunks(), which returns an iterator of changegroup |
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113 chunks. This is mostly useful for cases where you need to know the |
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114 data stream has ended by observing the end of the changegroup. |
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115 |
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116 deltachunk() is useful only if you're applying delta data. Most |
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117 consumers should prefer apply() instead. |
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118 |
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119 A few other public methods exist. Those are used only for |
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120 bundlerepo and some debug commands - their use is discouraged. |
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121 """ |
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122 |
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123 deltaheader = _CHANGEGROUPV1_DELTA_HEADER |
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124 deltaheadersize = deltaheader.size |
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125 version = b'01' |
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126 _grouplistcount = 1 # One list of files after the manifests |
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127 |
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128 def __init__(self, fh, alg, extras=None): |
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129 if alg is None: |
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130 alg = b'UN' |
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131 if alg not in util.compengines.supportedbundletypes: |
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132 raise error.Abort(_(b'unknown stream compression type: %s') % alg) |
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133 if alg == b'BZ': |
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134 alg = b'_truncatedBZ' |
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135 |
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136 compengine = util.compengines.forbundletype(alg) |
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137 self._stream = compengine.decompressorreader(fh) |
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138 self._type = alg |
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139 self.extras = extras or {} |
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140 self.callback = None |
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141 |
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142 # These methods (compressed, read, seek, tell) all appear to only |
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143 # be used by bundlerepo, but it's a little hard to tell. |
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144 def compressed(self): |
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145 return self._type is not None and self._type != b'UN' |
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146 |
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147 def read(self, l): |
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148 return self._stream.read(l) |
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149 |
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150 def seek(self, pos): |
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151 return self._stream.seek(pos) |
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152 |
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153 def tell(self): |
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154 return self._stream.tell() |
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155 |
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156 def close(self): |
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157 return self._stream.close() |
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158 |
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159 def _chunklength(self): |
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160 d = readexactly(self._stream, 4) |
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161 l = struct.unpack(b">l", d)[0] |
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162 if l <= 4: |
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163 if l: |
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164 raise error.Abort(_(b"invalid chunk length %d") % l) |
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165 return 0 |
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166 if self.callback: |
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167 self.callback() |
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168 return l - 4 |
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169 |
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170 def changelogheader(self): |
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171 """v10 does not have a changelog header chunk""" |
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172 return {} |
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173 |
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174 def manifestheader(self): |
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175 """v10 does not have a manifest header chunk""" |
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176 return {} |
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177 |
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178 def filelogheader(self): |
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179 """return the header of the filelogs chunk, v10 only has the filename""" |
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180 l = self._chunklength() |
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181 if not l: |
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182 return {} |
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183 fname = readexactly(self._stream, l) |
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184 return {b'filename': fname} |
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185 |
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186 def _deltaheader(self, headertuple, prevnode): |
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187 node, p1, p2, cs = headertuple |
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188 if prevnode is None: |
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189 deltabase = p1 |
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190 else: |
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191 deltabase = prevnode |
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192 flags = 0 |
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193 return node, p1, p2, deltabase, cs, flags |
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194 |
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195 def deltachunk(self, prevnode): |
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196 l = self._chunklength() |
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197 if not l: |
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198 return {} |
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199 headerdata = readexactly(self._stream, self.deltaheadersize) |
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200 header = self.deltaheader.unpack(headerdata) |
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201 delta = readexactly(self._stream, l - self.deltaheadersize) |
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202 node, p1, p2, deltabase, cs, flags = self._deltaheader(header, prevnode) |
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203 return (node, p1, p2, cs, deltabase, delta, flags) |
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204 |
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205 def getchunks(self): |
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206 """returns all the chunks contains in the bundle |
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207 |
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208 Used when you need to forward the binary stream to a file or another |
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209 network API. To do so, it parse the changegroup data, otherwise it will |
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210 block in case of sshrepo because it don't know the end of the stream. |
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211 """ |
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212 # For changegroup 1 and 2, we expect 3 parts: changelog, manifestlog, |
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213 # and a list of filelogs. For changegroup 3, we expect 4 parts: |
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214 # changelog, manifestlog, a list of tree manifestlogs, and a list of |
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215 # filelogs. |
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216 # |
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217 # Changelog and manifestlog parts are terminated with empty chunks. The |
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218 # tree and file parts are a list of entry sections. Each entry section |
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219 # is a series of chunks terminating in an empty chunk. The list of these |
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220 # entry sections is terminated in yet another empty chunk, so we know |
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221 # we've reached the end of the tree/file list when we reach an empty |
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222 # chunk that was proceeded by no non-empty chunks. |
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223 |
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224 parts = 0 |
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225 while parts < 2 + self._grouplistcount: |
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226 noentries = True |
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227 while True: |
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228 chunk = getchunk(self) |
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229 if not chunk: |
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230 # The first two empty chunks represent the end of the |
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231 # changelog and the manifestlog portions. The remaining |
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232 # empty chunks represent either A) the end of individual |
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233 # tree or file entries in the file list, or B) the end of |
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234 # the entire list. It's the end of the entire list if there |
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235 # were no entries (i.e. noentries is True). |
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236 if parts < 2: |
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237 parts += 1 |
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238 elif noentries: |
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239 parts += 1 |
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240 break |
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241 noentries = False |
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242 yield chunkheader(len(chunk)) |
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243 pos = 0 |
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244 while pos < len(chunk): |
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245 next = pos + 2 ** 20 |
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246 yield chunk[pos:next] |
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247 pos = next |
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248 yield closechunk() |
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249 |
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250 def _unpackmanifests(self, repo, revmap, trp, prog): |
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251 self.callback = prog.increment |
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252 # no need to check for empty manifest group here: |
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253 # if the result of the merge of 1 and 2 is the same in 3 and 4, |
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254 # no new manifest will be created and the manifest group will |
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255 # be empty during the pull |
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256 self.manifestheader() |
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257 deltas = self.deltaiter() |
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258 repo.manifestlog.getstorage(b'').addgroup(deltas, revmap, trp) |
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259 prog.complete() |
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260 self.callback = None |
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261 |
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262 def apply( |
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263 self, |
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264 repo, |
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265 tr, |
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266 srctype, |
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267 url, |
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268 targetphase=phases.draft, |
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269 expectedtotal=None, |
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270 ): |
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271 """Add the changegroup returned by source.read() to this repo. |
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272 srctype is a string like 'push', 'pull', or 'unbundle'. url is |
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273 the URL of the repo where this changegroup is coming from. |
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274 |
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275 Return an integer summarizing the change to this repo: |
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276 - nothing changed or no source: 0 |
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277 - more heads than before: 1+added heads (2..n) |
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278 - fewer heads than before: -1-removed heads (-2..-n) |
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279 - number of heads stays the same: 1 |
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280 """ |
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281 repo = repo.unfiltered() |
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282 |
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283 def csmap(x): |
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284 repo.ui.debug(b"add changeset %s\n" % short(x)) |
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285 return len(cl) |
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286 |
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287 def revmap(x): |
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288 return cl.rev(x) |
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289 |
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290 try: |
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291 # The transaction may already carry source information. In this |
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292 # case we use the top level data. We overwrite the argument |
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293 # because we need to use the top level value (if they exist) |
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294 # in this function. |
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295 srctype = tr.hookargs.setdefault(b'source', srctype) |
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296 tr.hookargs.setdefault(b'url', url) |
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297 repo.hook( |
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298 b'prechangegroup', throw=True, **pycompat.strkwargs(tr.hookargs) |
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299 ) |
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300 |
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301 # write changelog data to temp files so concurrent readers |
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302 # will not see an inconsistent view |
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303 cl = repo.changelog |
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304 cl.delayupdate(tr) |
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305 oldheads = set(cl.heads()) |
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306 |
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307 trp = weakref.proxy(tr) |
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308 # pull off the changeset group |
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309 repo.ui.status(_(b"adding changesets\n")) |
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310 clstart = len(cl) |
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311 progress = repo.ui.makeprogress( |
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312 _(b'changesets'), unit=_(b'chunks'), total=expectedtotal |
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313 ) |
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314 self.callback = progress.increment |
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315 |
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316 efilesset = set() |
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317 |
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318 def onchangelog(cl, node): |
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319 efilesset.update(cl.readfiles(node)) |
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320 |
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321 self.changelogheader() |
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322 deltas = self.deltaiter() |
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323 cgnodes = cl.addgroup(deltas, csmap, trp, addrevisioncb=onchangelog) |
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324 efiles = len(efilesset) |
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325 |
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326 if not cgnodes: |
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327 repo.ui.develwarn( |
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328 b'applied empty changelog from changegroup', |
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329 config=b'warn-empty-changegroup', |
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330 ) |
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331 clend = len(cl) |
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332 changesets = clend - clstart |
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333 progress.complete() |
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334 self.callback = None |
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335 |
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336 # pull off the manifest group |
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337 repo.ui.status(_(b"adding manifests\n")) |
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338 # We know that we'll never have more manifests than we had |
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339 # changesets. |
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340 progress = repo.ui.makeprogress( |
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341 _(b'manifests'), unit=_(b'chunks'), total=changesets |
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342 ) |
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343 self._unpackmanifests(repo, revmap, trp, progress) |
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344 |
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345 needfiles = {} |
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346 if repo.ui.configbool(b'server', b'validate'): |
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347 cl = repo.changelog |
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348 ml = repo.manifestlog |
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349 # validate incoming csets have their manifests |
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350 for cset in pycompat.xrange(clstart, clend): |
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351 mfnode = cl.changelogrevision(cset).manifest |
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352 mfest = ml[mfnode].readdelta() |
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353 # store file cgnodes we must see |
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354 for f, n in pycompat.iteritems(mfest): |
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355 needfiles.setdefault(f, set()).add(n) |
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356 |
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357 # process the files |
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358 repo.ui.status(_(b"adding file changes\n")) |
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359 newrevs, newfiles = _addchangegroupfiles( |
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360 repo, self, revmap, trp, efiles, needfiles |
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361 ) |
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362 |
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363 # making sure the value exists |
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364 tr.changes.setdefault(b'changegroup-count-changesets', 0) |
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365 tr.changes.setdefault(b'changegroup-count-revisions', 0) |
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366 tr.changes.setdefault(b'changegroup-count-files', 0) |
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367 tr.changes.setdefault(b'changegroup-count-heads', 0) |
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368 |
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369 # some code use bundle operation for internal purpose. They usually |
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370 # set `ui.quiet` to do this outside of user sight. Size the report |
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371 # of such operation now happens at the end of the transaction, that |
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372 # ui.quiet has not direct effect on the output. |
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373 # |
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374 # To preserve this intend use an inelegant hack, we fail to report |
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375 # the change if `quiet` is set. We should probably move to |
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376 # something better, but this is a good first step to allow the "end |
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377 # of transaction report" to pass tests. |
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378 if not repo.ui.quiet: |
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379 tr.changes[b'changegroup-count-changesets'] += changesets |
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380 tr.changes[b'changegroup-count-revisions'] += newrevs |
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381 tr.changes[b'changegroup-count-files'] += newfiles |
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382 |
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383 deltaheads = 0 |
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384 if oldheads: |
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385 heads = cl.heads() |
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386 deltaheads += len(heads) - len(oldheads) |
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387 for h in heads: |
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388 if h not in oldheads and repo[h].closesbranch(): |
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389 deltaheads -= 1 |
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390 |
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391 # see previous comment about checking ui.quiet |
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392 if not repo.ui.quiet: |
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393 tr.changes[b'changegroup-count-heads'] += deltaheads |
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394 repo.invalidatevolatilesets() |
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395 |
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396 if changesets > 0: |
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397 if b'node' not in tr.hookargs: |
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398 tr.hookargs[b'node'] = hex(cl.node(clstart)) |
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399 tr.hookargs[b'node_last'] = hex(cl.node(clend - 1)) |
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400 hookargs = dict(tr.hookargs) |
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401 else: |
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402 hookargs = dict(tr.hookargs) |
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403 hookargs[b'node'] = hex(cl.node(clstart)) |
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404 hookargs[b'node_last'] = hex(cl.node(clend - 1)) |
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405 repo.hook( |
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406 b'pretxnchangegroup', |
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407 throw=True, |
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408 **pycompat.strkwargs(hookargs) |
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409 ) |
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410 |
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411 added = [cl.node(r) for r in pycompat.xrange(clstart, clend)] |
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412 phaseall = None |
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413 if srctype in (b'push', b'serve'): |
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414 # Old servers can not push the boundary themselves. |
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415 # New servers won't push the boundary if changeset already |
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416 # exists locally as secret |
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417 # |
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418 # We should not use added here but the list of all change in |
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419 # the bundle |
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420 if repo.publishing(): |
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421 targetphase = phaseall = phases.public |
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422 else: |
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423 # closer target phase computation |
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424 |
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425 # Those changesets have been pushed from the |
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426 # outside, their phases are going to be pushed |
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427 # alongside. Therefor `targetphase` is |
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428 # ignored. |
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429 targetphase = phaseall = phases.draft |
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430 if added: |
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431 phases.registernew(repo, tr, targetphase, added) |
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432 if phaseall is not None: |
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433 phases.advanceboundary(repo, tr, phaseall, cgnodes) |
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434 |
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435 if changesets > 0: |
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436 |
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437 def runhooks(unused_success): |
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438 # These hooks run when the lock releases, not when the |
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439 # transaction closes. So it's possible for the changelog |
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440 # to have changed since we last saw it. |
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441 if clstart >= len(repo): |
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442 return |
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443 |
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444 repo.hook(b"changegroup", **pycompat.strkwargs(hookargs)) |
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445 |
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446 for n in added: |
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447 args = hookargs.copy() |
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448 args[b'node'] = hex(n) |
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449 del args[b'node_last'] |
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450 repo.hook(b"incoming", **pycompat.strkwargs(args)) |
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451 |
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452 newheads = [h for h in repo.heads() if h not in oldheads] |
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453 repo.ui.log( |
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454 b"incoming", |
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455 b"%d incoming changes - new heads: %s\n", |
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456 len(added), |
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457 b', '.join([hex(c[:6]) for c in newheads]), |
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458 ) |
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459 |
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460 tr.addpostclose( |
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461 b'changegroup-runhooks-%020i' % clstart, |
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462 lambda tr: repo._afterlock(runhooks), |
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463 ) |
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464 finally: |
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465 repo.ui.flush() |
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466 # never return 0 here: |
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467 if deltaheads < 0: |
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468 ret = deltaheads - 1 |
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469 else: |
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470 ret = deltaheads + 1 |
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471 return ret |
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472 |
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473 def deltaiter(self): |
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474 """ |
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475 returns an iterator of the deltas in this changegroup |
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476 |
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477 Useful for passing to the underlying storage system to be stored. |
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478 """ |
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479 chain = None |
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480 for chunkdata in iter(lambda: self.deltachunk(chain), {}): |
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481 # Chunkdata: (node, p1, p2, cs, deltabase, delta, flags) |
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482 yield chunkdata |
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483 chain = chunkdata[0] |
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484 |
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485 |
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486 class cg2unpacker(cg1unpacker): |
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487 """Unpacker for cg2 streams. |
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488 |
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489 cg2 streams add support for generaldelta, so the delta header |
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490 format is slightly different. All other features about the data |
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491 remain the same. |
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492 """ |
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493 |
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494 deltaheader = _CHANGEGROUPV2_DELTA_HEADER |
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495 deltaheadersize = deltaheader.size |
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496 version = b'02' |
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497 |
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498 def _deltaheader(self, headertuple, prevnode): |
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499 node, p1, p2, deltabase, cs = headertuple |
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500 flags = 0 |
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501 return node, p1, p2, deltabase, cs, flags |
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502 |
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503 |
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504 class cg3unpacker(cg2unpacker): |
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505 """Unpacker for cg3 streams. |
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506 |
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507 cg3 streams add support for exchanging treemanifests and revlog |
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|
508 flags. It adds the revlog flags to the delta header and an empty chunk |
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509 separating manifests and files. |
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510 """ |
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511 |
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512 deltaheader = _CHANGEGROUPV3_DELTA_HEADER |
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513 deltaheadersize = deltaheader.size |
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514 version = b'03' |
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515 _grouplistcount = 2 # One list of manifests and one list of files |
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516 |
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517 def _deltaheader(self, headertuple, prevnode): |
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518 node, p1, p2, deltabase, cs, flags = headertuple |
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519 return node, p1, p2, deltabase, cs, flags |
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520 |
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521 def _unpackmanifests(self, repo, revmap, trp, prog): |
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522 super(cg3unpacker, self)._unpackmanifests(repo, revmap, trp, prog) |
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523 for chunkdata in iter(self.filelogheader, {}): |
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524 # If we get here, there are directory manifests in the changegroup |
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525 d = chunkdata[b"filename"] |
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526 repo.ui.debug(b"adding %s revisions\n" % d) |
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527 deltas = self.deltaiter() |
39244
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|
528 if not repo.manifestlog.getstorage(d).addgroup(deltas, revmap, trp): |
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529 raise error.Abort(_(b"received dir revlog group is empty")) |
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530 |
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531 |
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532 class headerlessfixup(object): |
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533 def __init__(self, fh, h): |
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534 self._h = h |
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535 self._fh = fh |
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536 |
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537 def read(self, n): |
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538 if self._h: |
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|
539 d, self._h = self._h[:n], self._h[n:] |
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|
540 if len(d) < n: |
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|
541 d += readexactly(self._fh, n - len(d)) |
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|
542 return d |
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|
543 return readexactly(self._fh, n) |
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544 |
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|
545 |
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|
546 def _revisiondeltatochunks(delta, headerfn): |
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|
547 """Serialize a revisiondelta to changegroup chunks.""" |
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|
548 |
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|
549 # The captured revision delta may be encoded as a delta against |
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|
550 # a base revision or as a full revision. The changegroup format |
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|
551 # requires that everything on the wire be deltas. So for full |
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|
552 # revisions, we need to invent a header that says to rewrite |
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|
553 # data. |
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|
554 |
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|
555 if delta.delta is not None: |
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|
556 prefix, data = b'', delta.delta |
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|
557 elif delta.basenode == nullid: |
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|
558 data = delta.revision |
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559 prefix = mdiff.trivialdiffheader(len(data)) |
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|
560 else: |
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|
561 data = delta.revision |
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562 prefix = mdiff.replacediffheader(delta.baserevisionsize, len(data)) |
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563 |
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564 meta = headerfn(delta) |
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565 |
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566 yield chunkheader(len(meta) + len(prefix) + len(data)) |
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567 yield meta |
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568 if prefix: |
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569 yield prefix |
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570 yield data |
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571 |
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572 |
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573 def _sortnodesellipsis(store, nodes, cl, lookup): |
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574 """Sort nodes for changegroup generation.""" |
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575 # Ellipses serving mode. |
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576 # |
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577 # In a perfect world, we'd generate better ellipsis-ified graphs |
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578 # for non-changelog revlogs. In practice, we haven't started doing |
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579 # that yet, so the resulting DAGs for the manifestlog and filelogs |
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580 # are actually full of bogus parentage on all the ellipsis |
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581 # nodes. This has the side effect that, while the contents are |
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582 # correct, the individual DAGs might be completely out of whack in |
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583 # a case like 882681bc3166 and its ancestors (back about 10 |
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584 # revisions or so) in the main hg repo. |
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585 # |
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586 # The one invariant we *know* holds is that the new (potentially |
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587 # bogus) DAG shape will be valid if we order the nodes in the |
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588 # order that they're introduced in dramatis personae by the |
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589 # changelog, so what we do is we sort the non-changelog histories |
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590 # by the order in which they are used by the changelog. |
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591 key = lambda n: cl.rev(lookup(n)) |
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592 return sorted(nodes, key=key) |
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593 |
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594 |
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595 def _resolvenarrowrevisioninfo( |
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596 cl, |
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597 store, |
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598 ischangelog, |
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599 rev, |
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600 linkrev, |
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601 linknode, |
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602 clrevtolocalrev, |
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603 fullclnodes, |
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604 precomputedellipsis, |
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605 ): |
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606 linkparents = precomputedellipsis[linkrev] |
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607 |
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608 def local(clrev): |
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609 """Turn a changelog revnum into a local revnum. |
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610 |
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611 The ellipsis dag is stored as revnums on the changelog, |
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612 but when we're producing ellipsis entries for |
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613 non-changelog revlogs, we need to turn those numbers into |
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614 something local. This does that for us, and during the |
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615 changelog sending phase will also expand the stored |
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616 mappings as needed. |
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617 """ |
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618 if clrev == nullrev: |
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619 return nullrev |
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620 |
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621 if ischangelog: |
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622 return clrev |
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623 |
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624 # Walk the ellipsis-ized changelog breadth-first looking for a |
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625 # change that has been linked from the current revlog. |
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626 # |
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627 # For a flat manifest revlog only a single step should be necessary |
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628 # as all relevant changelog entries are relevant to the flat |
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629 # manifest. |
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630 # |
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631 # For a filelog or tree manifest dirlog however not every changelog |
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632 # entry will have been relevant, so we need to skip some changelog |
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633 # nodes even after ellipsis-izing. |
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634 walk = [clrev] |
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635 while walk: |
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636 p = walk[0] |
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637 walk = walk[1:] |
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638 if p in clrevtolocalrev: |
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639 return clrevtolocalrev[p] |
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640 elif p in fullclnodes: |
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641 walk.extend([pp for pp in cl.parentrevs(p) if pp != nullrev]) |
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642 elif p in precomputedellipsis: |
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643 walk.extend( |
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644 [pp for pp in precomputedellipsis[p] if pp != nullrev] |
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645 ) |
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646 else: |
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647 # In this case, we've got an ellipsis with parents |
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648 # outside the current bundle (likely an |
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649 # incremental pull). We "know" that we can use the |
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650 # value of this same revlog at whatever revision |
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651 # is pointed to by linknode. "Know" is in scare |
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652 # quotes because I haven't done enough examination |
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653 # of edge cases to convince myself this is really |
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654 # a fact - it works for all the (admittedly |
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655 # thorough) cases in our testsuite, but I would be |
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656 # somewhat unsurprised to find a case in the wild |
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657 # where this breaks down a bit. That said, I don't |
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658 # know if it would hurt anything. |
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659 for i in pycompat.xrange(rev, 0, -1): |
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660 if store.linkrev(i) == clrev: |
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661 return i |
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662 # We failed to resolve a parent for this node, so |
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663 # we crash the changegroup construction. |
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664 raise error.Abort( |
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665 b'unable to resolve parent while packing %r %r' |
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666 b' for changeset %r' % (store.indexfile, rev, clrev) |
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667 ) |
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668 |
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669 return nullrev |
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670 |
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671 if not linkparents or (store.parentrevs(rev) == (nullrev, nullrev)): |
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672 p1, p2 = nullrev, nullrev |
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673 elif len(linkparents) == 1: |
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674 (p1,) = sorted(local(p) for p in linkparents) |
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675 p2 = nullrev |
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676 else: |
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677 p1, p2 = sorted(local(p) for p in linkparents) |
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678 |
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679 p1node, p2node = store.node(p1), store.node(p2) |
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680 |
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681 return p1node, p2node, linknode |
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682 |
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683 |
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684 def deltagroup( |
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685 repo, |
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686 store, |
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687 nodes, |
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688 ischangelog, |
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689 lookup, |
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690 forcedeltaparentprev, |
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691 topic=None, |
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692 ellipses=False, |
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693 clrevtolocalrev=None, |
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694 fullclnodes=None, |
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695 precomputedellipsis=None, |
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696 ): |
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697 """Calculate deltas for a set of revisions. |
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698 |
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699 Is a generator of ``revisiondelta`` instances. |
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700 |
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701 If topic is not None, progress detail will be generated using this |
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702 topic name (e.g. changesets, manifests, etc). |
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703 """ |
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704 if not nodes: |
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|
705 return |
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|
706 |
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707 cl = repo.changelog |
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708 |
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|
709 if ischangelog: |
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|
710 # `hg log` shows changesets in storage order. To preserve order |
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711 # across clones, send out changesets in storage order. |
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712 nodesorder = b'storage' |
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713 elif ellipses: |
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714 nodes = _sortnodesellipsis(store, nodes, cl, lookup) |
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715 nodesorder = b'nodes' |
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716 else: |
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717 nodesorder = None |
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718 |
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|
719 # Perform ellipses filtering and revision massaging. We do this before |
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|
720 # emitrevisions() because a) filtering out revisions creates less work |
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|
721 # for emitrevisions() b) dropping revisions would break emitrevisions()'s |
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|
722 # assumptions about delta choices and we would possibly send a delta |
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|
723 # referencing a missing base revision. |
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724 # |
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725 # Also, calling lookup() has side-effects with regards to populating |
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|
726 # data structures. If we don't call lookup() for each node or if we call |
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727 # lookup() after the first pass through each node, things can break - |
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728 # possibly intermittently depending on the python hash seed! For that |
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|
729 # reason, we store a mapping of all linknodes during the initial node |
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|
730 # pass rather than use lookup() on the output side. |
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|
731 if ellipses: |
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|
732 filtered = [] |
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|
733 adjustedparents = {} |
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|
734 linknodes = {} |
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|
735 |
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|
736 for node in nodes: |
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|
737 rev = store.rev(node) |
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|
738 linknode = lookup(node) |
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739 linkrev = cl.rev(linknode) |
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|
740 clrevtolocalrev[linkrev] = rev |
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|
741 |
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|
742 # If linknode is in fullclnodes, it means the corresponding |
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|
743 # changeset was a full changeset and is being sent unaltered. |
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|
744 if linknode in fullclnodes: |
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|
745 linknodes[node] = linknode |
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|
746 |
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|
747 # If the corresponding changeset wasn't in the set computed |
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|
748 # as relevant to us, it should be dropped outright. |
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|
749 elif linkrev not in precomputedellipsis: |
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31b7e8e7132e
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|
750 continue |
31b7e8e7132e
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changeset
|
751 |
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|
752 else: |
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|
753 # We could probably do this later and avoid the dict |
31b7e8e7132e
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|
754 # holding state. But it likely doesn't matter. |
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|
755 p1node, p2node, linknode = _resolvenarrowrevisioninfo( |
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756 cl, |
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757 store, |
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758 ischangelog, |
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759 rev, |
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|
760 linkrev, |
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|
761 linknode, |
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|
762 clrevtolocalrev, |
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|
763 fullclnodes, |
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|
764 precomputedellipsis, |
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|
765 ) |
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|
766 |
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|
767 adjustedparents[node] = (p1node, p2node) |
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|
768 linknodes[node] = linknode |
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|
769 |
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|
770 filtered.append(node) |
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|
771 |
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|
772 nodes = filtered |
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|
773 |
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e793e11e1462
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|
774 # We expect the first pass to be fast, so we only engage the progress |
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|
775 # meter for constructing the revision deltas. |
e793e11e1462
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|
776 progress = None |
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changeset
|
777 if topic is not None: |
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778 progress = repo.ui.makeprogress( |
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779 topic, unit=_(b'chunks'), total=len(nodes) |
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780 ) |
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|
781 |
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782 configtarget = repo.ui.config(b'devel', b'bundle.delta') |
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|
783 if configtarget not in (b'', b'p1', b'full'): |
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|
784 msg = _("""config "devel.bundle.delta" as unknown value: %s""") |
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|
785 repo.ui.warn(msg % configtarget) |
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|
786 |
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6a917075535a
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|
787 deltamode = repository.CG_DELTAMODE_STD |
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|
788 if forcedeltaparentprev: |
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|
789 deltamode = repository.CG_DELTAMODE_PREV |
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|
790 elif configtarget == b'p1': |
40432
968dd7e02ac5
changegroup: allow to force delta to be against p1
Boris Feld <boris.feld@octobus.net>
parents:
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|
791 deltamode = repository.CG_DELTAMODE_P1 |
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|
792 elif configtarget == b'full': |
40433
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diff
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|
793 deltamode = repository.CG_DELTAMODE_FULL |
40430
6a917075535a
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parents:
40344
diff
changeset
|
794 |
39865
31b7e8e7132e
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diff
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|
795 revisions = store.emitrevisions( |
31b7e8e7132e
changegroup: port to emitrevisions() (issue5976)
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parents:
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diff
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|
796 nodes, |
31b7e8e7132e
changegroup: port to emitrevisions() (issue5976)
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diff
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|
797 nodesorder=nodesorder, |
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changegroup: port to emitrevisions() (issue5976)
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parents:
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diff
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|
798 revisiondata=True, |
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diff
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|
799 assumehaveparentrevisions=not ellipses, |
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|
800 deltamode=deltamode, |
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|
801 ) |
39865
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
802 |
31b7e8e7132e
changegroup: port to emitrevisions() (issue5976)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
803 for i, revision in enumerate(revisions): |
39018
e793e11e1462
changegroup: introduce requests to define delta generation
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39017
diff
changeset
|
804 if progress: |
e793e11e1462
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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|
805 progress.update(i + 1) |
e793e11e1462
changegroup: introduce requests to define delta generation
Gregory Szorc <gregory.szorc@gmail.com>
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diff
changeset
|
806 |
39865
31b7e8e7132e
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
807 if ellipses: |
31b7e8e7132e
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
808 linknode = linknodes[revision.node] |
31b7e8e7132e
changegroup: port to emitrevisions() (issue5976)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
809 |
31b7e8e7132e
changegroup: port to emitrevisions() (issue5976)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
810 if revision.node in adjustedparents: |
31b7e8e7132e
changegroup: port to emitrevisions() (issue5976)
Gregory Szorc <gregory.szorc@gmail.com>
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diff
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|
811 p1node, p2node = adjustedparents[revision.node] |
31b7e8e7132e
changegroup: port to emitrevisions() (issue5976)
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parents:
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diff
changeset
|
812 revision.p1node = p1node |
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changegroup: port to emitrevisions() (issue5976)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
813 revision.p2node = p2node |
40047
8e398628a3f2
repository: define and use revision flag constants
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39866
diff
changeset
|
814 revision.flags |= repository.REVISION_FLAG_ELLIPSIS |
39865
31b7e8e7132e
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parents:
39861
diff
changeset
|
815 |
31b7e8e7132e
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parents:
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diff
changeset
|
816 else: |
31b7e8e7132e
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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changeset
|
817 linknode = lookup(revision.node) |
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changegroup: port to emitrevisions() (issue5976)
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|
818 |
31b7e8e7132e
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diff
changeset
|
819 revision.linknode = linknode |
31b7e8e7132e
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parents:
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diff
changeset
|
820 yield revision |
39018
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
821 |
39009
9e8eb2b444e5
changegroup: extract cgpacker.group() to standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39008
diff
changeset
|
822 if progress: |
9e8eb2b444e5
changegroup: extract cgpacker.group() to standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
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|
823 progress.complete() |
9e8eb2b444e5
changegroup: extract cgpacker.group() to standalone function
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parents:
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|
824 |
43076
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|
825 |
38902
4c99c6d1ef95
changegroup: rename cg1packer to cgpacker
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38901
diff
changeset
|
826 class cgpacker(object): |
43076
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parents:
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|
827 def __init__( |
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|
828 self, |
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parents:
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|
829 repo, |
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changeset
|
830 oldmatcher, |
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changeset
|
831 matcher, |
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changeset
|
832 version, |
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changeset
|
833 builddeltaheader, |
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|
834 manifestsend, |
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|
835 forcedeltaparentprev=False, |
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|
836 bundlecaps=None, |
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|
837 ellipses=False, |
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changeset
|
838 shallow=False, |
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|
839 ellipsisroots=None, |
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|
840 fullnodes=None, |
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|
841 ): |
19202
0455fc94ae00
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Sune Foldager <cryo@cyanite.org>
parents:
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diff
changeset
|
842 """Given a source repo, construct a bundler. |
32287
df3cf9422e1b
changegroup: add bundlecaps back
Durham Goode <durham@fb.com>
parents:
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diff
changeset
|
843 |
40344
2c5835b4246b
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Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
844 oldmatcher is a matcher that matches on files the client already has. |
2c5835b4246b
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parents:
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changeset
|
845 These will not be included in the changegroup. |
2c5835b4246b
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Martin von Zweigbergk <martinvonz@google.com>
parents:
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|
846 |
2c5835b4246b
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Martin von Zweigbergk <martinvonz@google.com>
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diff
changeset
|
847 matcher is a matcher that matches on files to include in the |
38794
1d01cf0416a5
changegroup: move file matcher from narrow extension
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38783
diff
changeset
|
848 changegroup. Used to facilitate sparse changegroups. |
1d01cf0416a5
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parents:
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diff
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|
849 |
39017
ef3d3a2f9aa5
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Gregory Szorc <gregory.szorc@gmail.com>
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changeset
|
850 forcedeltaparentprev indicates whether delta parents must be against |
ef3d3a2f9aa5
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parents:
39016
diff
changeset
|
851 the previous revision in a delta group. This should only be used for |
ef3d3a2f9aa5
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
852 compatibility with changegroup version 1. |
38901
23ae0c07a3e1
changegroup: control delta parent behavior via constructor
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
853 |
38897
bd64b8b8f0dd
changegroup: pass function to build delta header into constructor
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38896
diff
changeset
|
854 builddeltaheader is a callable that constructs the header for a group |
bd64b8b8f0dd
changegroup: pass function to build delta header into constructor
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
855 delta. |
bd64b8b8f0dd
changegroup: pass function to build delta header into constructor
Gregory Szorc <gregory.szorc@gmail.com>
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diff
changeset
|
856 |
38898
67f37e8a5490
changegroup: pass end of manifests marker into constructor
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parents:
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changeset
|
857 manifestsend is a chunk to send after manifests have been fully emitted. |
67f37e8a5490
changegroup: pass end of manifests marker into constructor
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diff
changeset
|
858 |
38908
1469584ad5fe
changegroup: specify ellipses mode explicitly
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parents:
38907
diff
changeset
|
859 ellipses indicates whether ellipsis serving mode is enabled. |
1469584ad5fe
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parents:
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diff
changeset
|
860 |
32287
df3cf9422e1b
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parents:
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diff
changeset
|
861 bundlecaps is optional and can be used to specify the set of |
df3cf9422e1b
changegroup: add bundlecaps back
Durham Goode <durham@fb.com>
parents:
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diff
changeset
|
862 capabilities which can be used to build the bundle. While bundlecaps is |
df3cf9422e1b
changegroup: add bundlecaps back
Durham Goode <durham@fb.com>
parents:
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diff
changeset
|
863 unused in core Mercurial, extensions rely on this feature to communicate |
df3cf9422e1b
changegroup: add bundlecaps back
Durham Goode <durham@fb.com>
parents:
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diff
changeset
|
864 capabilities to customize the changegroup packer. |
38904
cdb9bc216771
changegroup: declare shallow flag in constructor
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parents:
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diff
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|
865 |
cdb9bc216771
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diff
changeset
|
866 shallow indicates whether shallow data might be sent. The packer may |
cdb9bc216771
changegroup: declare shallow flag in constructor
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parents:
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diff
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|
867 need to pack file contents not introduced by the changes being packed. |
38909
1af339c22aeb
changegroup: move fullnodes into cgpacker
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
868 |
38996
5baafb8fe253
changegroup: rename _fullnodes to _fullclnodes
Gregory Szorc <gregory.szorc@gmail.com>
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diff
changeset
|
869 fullnodes is the set of changelog nodes which should not be ellipsis |
5baafb8fe253
changegroup: rename _fullnodes to _fullclnodes
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parents:
38995
diff
changeset
|
870 nodes. We store this rather than the set of nodes that should be |
5baafb8fe253
changegroup: rename _fullnodes to _fullclnodes
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38995
diff
changeset
|
871 ellipsis because for very large histories we expect this to be |
5baafb8fe253
changegroup: rename _fullnodes to _fullclnodes
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
872 significantly smaller. |
19202
0455fc94ae00
bundle-ng: move gengroup into bundler, pass repo object to bundler
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parents:
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diff
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|
873 """ |
40344
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changeset
|
874 assert oldmatcher |
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parents:
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changeset
|
875 assert matcher |
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parents:
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diff
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|
876 self._oldmatcher = oldmatcher |
2c5835b4246b
narrow: when widening, don't include manifests the client already has
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parents:
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diff
changeset
|
877 self._matcher = matcher |
38794
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changegroup: move file matcher from narrow extension
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38783
diff
changeset
|
878 |
38895
d7ac49c2353c
changegroup: pass version into constructor
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38894
diff
changeset
|
879 self.version = version |
39017
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
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|
880 self._forcedeltaparentprev = forcedeltaparentprev |
38897
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Gregory Szorc <gregory.szorc@gmail.com>
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|
881 self._builddeltaheader = builddeltaheader |
38898
67f37e8a5490
changegroup: pass end of manifests marker into constructor
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
882 self._manifestsend = manifestsend |
38908
1469584ad5fe
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38907
diff
changeset
|
883 self._ellipses = ellipses |
38895
d7ac49c2353c
changegroup: pass version into constructor
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parents:
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diff
changeset
|
884 |
32287
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parents:
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diff
changeset
|
885 # Set of capabilities we can use to build the bundle. |
df3cf9422e1b
changegroup: add bundlecaps back
Durham Goode <durham@fb.com>
parents:
32268
diff
changeset
|
886 if bundlecaps is None: |
df3cf9422e1b
changegroup: add bundlecaps back
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parents:
32268
diff
changeset
|
887 bundlecaps = set() |
df3cf9422e1b
changegroup: add bundlecaps back
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parents:
32268
diff
changeset
|
888 self._bundlecaps = bundlecaps |
38904
cdb9bc216771
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Gregory Szorc <gregory.szorc@gmail.com>
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diff
changeset
|
889 self._isshallow = shallow |
38996
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changeset
|
890 self._fullclnodes = fullnodes |
38900
6e999a2d8fe7
changegroup: control reordering via constructor argument
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38899
diff
changeset
|
891 |
38907
ad4c4cc9a5ac
changegroup: pass ellipsis roots into cgpacker constructor
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38906
diff
changeset
|
892 # Maps ellipsis revs to their roots at the changelog level. |
ad4c4cc9a5ac
changegroup: pass ellipsis roots into cgpacker constructor
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parents:
38906
diff
changeset
|
893 self._precomputedellipsis = ellipsisroots |
ad4c4cc9a5ac
changegroup: pass ellipsis roots into cgpacker constructor
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38906
diff
changeset
|
894 |
19202
0455fc94ae00
bundle-ng: move gengroup into bundler, pass repo object to bundler
Sune Foldager <cryo@cyanite.org>
parents:
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diff
changeset
|
895 self._repo = repo |
38900
6e999a2d8fe7
changegroup: control reordering via constructor argument
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38899
diff
changeset
|
896 |
23748
4ab66de46a96
bundle: when verbose, show what takes up the space in the generated bundle
Mads Kiilerich <madski@unity3d.com>
parents:
23382
diff
changeset
|
897 if self._repo.ui.verbose and not self._repo.ui.debugflag: |
4ab66de46a96
bundle: when verbose, show what takes up the space in the generated bundle
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parents:
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diff
changeset
|
898 self._verbosenote = self._repo.ui.note |
4ab66de46a96
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parents:
23382
diff
changeset
|
899 else: |
4ab66de46a96
bundle: when verbose, show what takes up the space in the generated bundle
Mads Kiilerich <madski@unity3d.com>
parents:
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diff
changeset
|
900 self._verbosenote = lambda s: None |
4ab66de46a96
bundle: when verbose, show what takes up the space in the generated bundle
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parents:
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|
901 |
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|
902 def generate( |
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changeset
|
903 self, commonrevs, clnodes, fastpathlinkrev, source, changelog=True |
2372284d9457
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changeset
|
904 ): |
39672
a1942015c10e
changegroup: add functionality to skip adding changelog data to changegroup
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
39670
diff
changeset
|
905 """Yield a sequence of changegroup byte chunks. |
a1942015c10e
changegroup: add functionality to skip adding changelog data to changegroup
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
39670
diff
changeset
|
906 If changelog is False, changelog data won't be added to changegroup |
a1942015c10e
changegroup: add functionality to skip adding changelog data to changegroup
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
39670
diff
changeset
|
907 """ |
38976
f7228c907ef4
changegroup: factor changelog chunk generation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
908 |
19202
0455fc94ae00
bundle-ng: move gengroup into bundler, pass repo object to bundler
Sune Foldager <cryo@cyanite.org>
parents:
19201
diff
changeset
|
909 repo = self._repo |
24978
f52560c64953
changegroup: drop _changelog and _manifest properties
Martin von Zweigbergk <martinvonz@google.com>
parents:
24977
diff
changeset
|
910 cl = repo.changelog |
19204
e9c5b1c246dc
bundle-ng: move bundle generation to changegroup.py
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19202
diff
changeset
|
911 |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
912 self._verbosenote(_(b'uncompressed size of bundle content:\n')) |
38976
f7228c907ef4
changegroup: factor changelog chunk generation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
913 size = 0 |
f7228c907ef4
changegroup: factor changelog chunk generation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
914 |
43076
2372284d9457
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parents:
43059
diff
changeset
|
915 clstate, deltas = self._generatechangelog( |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
916 cl, clnodes, generate=changelog |
2372284d9457
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Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
917 ) |
39014
d662959dc881
changegroup: emit revisiondelta instances from deltagroup()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39013
diff
changeset
|
918 for delta in deltas: |
43076
2372284d9457
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Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
919 for chunk in _revisiondeltatochunks(delta, self._builddeltaheader): |
41448
fa7d61f9c512
changegroup: don't try to build changelog chunks if not required
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41445
diff
changeset
|
920 size += len(chunk) |
fa7d61f9c512
changegroup: don't try to build changelog chunks if not required
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41445
diff
changeset
|
921 yield chunk |
38976
f7228c907ef4
changegroup: factor changelog chunk generation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
922 |
39010
fcdab6629dde
changegroup: emit delta group close chunk outside of deltagroup()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39009
diff
changeset
|
923 close = closechunk() |
fcdab6629dde
changegroup: emit delta group close chunk outside of deltagroup()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39009
diff
changeset
|
924 size += len(close) |
fcdab6629dde
changegroup: emit delta group close chunk outside of deltagroup()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39009
diff
changeset
|
925 yield closechunk() |
fcdab6629dde
changegroup: emit delta group close chunk outside of deltagroup()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39009
diff
changeset
|
926 |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
927 self._verbosenote(_(b'%8.i (changelog)\n') % size) |
38976
f7228c907ef4
changegroup: factor changelog chunk generation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
928 |
43077
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
929 clrevorder = clstate[b'clrevorder'] |
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
930 manifests = clstate[b'manifests'] |
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
931 changedfiles = clstate[b'changedfiles'] |
38976
f7228c907ef4
changegroup: factor changelog chunk generation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
932 |
f7228c907ef4
changegroup: factor changelog chunk generation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
933 # We need to make sure that the linkrev in the changegroup refers to |
f7228c907ef4
changegroup: factor changelog chunk generation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
934 # the first changeset that introduced the manifest or file revision. |
f7228c907ef4
changegroup: factor changelog chunk generation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
935 # The fastpath is usually safer than the slowpath, because the filelogs |
f7228c907ef4
changegroup: factor changelog chunk generation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
936 # are walked in revlog order. |
f7228c907ef4
changegroup: factor changelog chunk generation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
937 # |
39861
db5501d93bcf
changegroup: remove reordering control (BC)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39733
diff
changeset
|
938 # When taking the slowpath when the manifest revlog uses generaldelta, |
db5501d93bcf
changegroup: remove reordering control (BC)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39733
diff
changeset
|
939 # the manifest may be walked in the "wrong" order. Without 'clrevorder', |
db5501d93bcf
changegroup: remove reordering control (BC)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39733
diff
changeset
|
940 # we would get an incorrect linkrev (see fix in cc0ff93d0c0c). |
38976
f7228c907ef4
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
941 # |
f7228c907ef4
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
942 # When taking the fastpath, we are only vulnerable to reordering |
39861
db5501d93bcf
changegroup: remove reordering control (BC)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39733
diff
changeset
|
943 # of the changelog itself. The changelog never uses generaldelta and is |
db5501d93bcf
changegroup: remove reordering control (BC)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39733
diff
changeset
|
944 # never reordered. To handle this case, we simply take the slowpath, |
db5501d93bcf
changegroup: remove reordering control (BC)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39733
diff
changeset
|
945 # which already has the 'clrevorder' logic. This was also fixed in |
db5501d93bcf
changegroup: remove reordering control (BC)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39733
diff
changeset
|
946 # cc0ff93d0c0c. |
db5501d93bcf
changegroup: remove reordering control (BC)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39733
diff
changeset
|
947 |
38976
f7228c907ef4
changegroup: factor changelog chunk generation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
948 # Treemanifests don't work correctly with fastpathlinkrev |
f7228c907ef4
changegroup: factor changelog chunk generation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
949 # either, because we don't discover which directory nodes to |
f7228c907ef4
changegroup: factor changelog chunk generation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
950 # send along with files. This could probably be fixed. |
f7228c907ef4
changegroup: factor changelog chunk generation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
951 fastpathlinkrev = fastpathlinkrev and ( |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
952 b'treemanifest' not in repo.requirements |
43076
2372284d9457
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parents:
43059
diff
changeset
|
953 ) |
38976
f7228c907ef4
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
954 |
f7228c907ef4
changegroup: factor changelog chunk generation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
955 fnodes = {} # needed file nodes |
f7228c907ef4
changegroup: factor changelog chunk generation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
956 |
39011
2ebdd265fe8c
changegroup: move size tracking and end of manifests to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39010
diff
changeset
|
957 size = 0 |
39012
c921ad9cae08
changegroup: move manifest chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39011
diff
changeset
|
958 it = self.generatemanifests( |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
959 commonrevs, |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
960 clrevorder, |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
961 fastpathlinkrev, |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
962 manifests, |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
963 fnodes, |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
964 source, |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
965 clstate[b'clrevtomanifestrev'], |
43076
2372284d9457
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parents:
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diff
changeset
|
966 ) |
39012
c921ad9cae08
changegroup: move manifest chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39011
diff
changeset
|
967 |
39233
8b9b93bf70b1
changegroup: rename dir to tree to avoid shadowing a built-in
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39231
diff
changeset
|
968 for tree, deltas in it: |
8b9b93bf70b1
changegroup: rename dir to tree to avoid shadowing a built-in
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39231
diff
changeset
|
969 if tree: |
39012
c921ad9cae08
changegroup: move manifest chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39011
diff
changeset
|
970 assert self.version == b'03' |
39233
8b9b93bf70b1
changegroup: rename dir to tree to avoid shadowing a built-in
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39231
diff
changeset
|
971 chunk = _fileheader(tree) |
39012
c921ad9cae08
changegroup: move manifest chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39011
diff
changeset
|
972 size += len(chunk) |
c921ad9cae08
changegroup: move manifest chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39011
diff
changeset
|
973 yield chunk |
c921ad9cae08
changegroup: move manifest chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39011
diff
changeset
|
974 |
39014
d662959dc881
changegroup: emit revisiondelta instances from deltagroup()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39013
diff
changeset
|
975 for delta in deltas: |
d662959dc881
changegroup: emit revisiondelta instances from deltagroup()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39013
diff
changeset
|
976 chunks = _revisiondeltatochunks(delta, self._builddeltaheader) |
d662959dc881
changegroup: emit revisiondelta instances from deltagroup()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39013
diff
changeset
|
977 for chunk in chunks: |
d662959dc881
changegroup: emit revisiondelta instances from deltagroup()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39013
diff
changeset
|
978 size += len(chunk) |
d662959dc881
changegroup: emit revisiondelta instances from deltagroup()
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parents:
39013
diff
changeset
|
979 yield chunk |
39012
c921ad9cae08
changegroup: move manifest chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39011
diff
changeset
|
980 |
c921ad9cae08
changegroup: move manifest chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39011
diff
changeset
|
981 close = closechunk() |
c921ad9cae08
changegroup: move manifest chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39011
diff
changeset
|
982 size += len(close) |
c921ad9cae08
changegroup: move manifest chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39011
diff
changeset
|
983 yield close |
38976
f7228c907ef4
changegroup: factor changelog chunk generation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
984 |
43077
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
985 self._verbosenote(_(b'%8.i (manifests)\n') % size) |
39011
2ebdd265fe8c
changegroup: move size tracking and end of manifests to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39010
diff
changeset
|
986 yield self._manifestsend |
2ebdd265fe8c
changegroup: move size tracking and end of manifests to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39010
diff
changeset
|
987 |
38983
fbbda9ff3deb
changegroup: pass mfdicts properly
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38982
diff
changeset
|
988 mfdicts = None |
fbbda9ff3deb
changegroup: pass mfdicts properly
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38982
diff
changeset
|
989 if self._ellipses and self._isshallow: |
43076
2372284d9457
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parents:
43059
diff
changeset
|
990 mfdicts = [ |
2372284d9457
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Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
991 (self._repo.manifestlog[n].read(), lr) |
43106
d783f945a701
py3: finish porting iteritems() to pycompat and remove source transformer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
43085
diff
changeset
|
992 for (n, lr) in pycompat.iteritems(manifests) |
43076
2372284d9457
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Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
993 ] |
38976
f7228c907ef4
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
994 |
39238
cc957b9dc335
changegroup: rename mfs to manifests
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39237
diff
changeset
|
995 manifests.clear() |
44452
9d2b2df2c2ba
cleanup: run pyupgrade on our source tree to clean up varying things
Augie Fackler <augie@google.com>
parents:
44306
diff
changeset
|
996 clrevs = {cl.rev(x) for x in clnodes} |
38976
f7228c907ef4
changegroup: factor changelog chunk generation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
997 |
43076
2372284d9457
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Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
998 it = self.generatefiles( |
2372284d9457
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Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
999 changedfiles, |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1000 commonrevs, |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1001 source, |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1002 mfdicts, |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1003 fastpathlinkrev, |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1004 fnodes, |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1005 clrevs, |
2372284d9457
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parents:
43059
diff
changeset
|
1006 ) |
39013
c4a2d19d393a
changegroup: move file chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39012
diff
changeset
|
1007 |
39014
d662959dc881
changegroup: emit revisiondelta instances from deltagroup()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39013
diff
changeset
|
1008 for path, deltas in it: |
39013
c4a2d19d393a
changegroup: move file chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39012
diff
changeset
|
1009 h = _fileheader(path) |
c4a2d19d393a
changegroup: move file chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39012
diff
changeset
|
1010 size = len(h) |
c4a2d19d393a
changegroup: move file chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39012
diff
changeset
|
1011 yield h |
c4a2d19d393a
changegroup: move file chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39012
diff
changeset
|
1012 |
39014
d662959dc881
changegroup: emit revisiondelta instances from deltagroup()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39013
diff
changeset
|
1013 for delta in deltas: |
d662959dc881
changegroup: emit revisiondelta instances from deltagroup()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39013
diff
changeset
|
1014 chunks = _revisiondeltatochunks(delta, self._builddeltaheader) |
d662959dc881
changegroup: emit revisiondelta instances from deltagroup()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39013
diff
changeset
|
1015 for chunk in chunks: |
d662959dc881
changegroup: emit revisiondelta instances from deltagroup()
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parents:
39013
diff
changeset
|
1016 size += len(chunk) |
d662959dc881
changegroup: emit revisiondelta instances from deltagroup()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39013
diff
changeset
|
1017 yield chunk |
39013
c4a2d19d393a
changegroup: move file chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39012
diff
changeset
|
1018 |
c4a2d19d393a
changegroup: move file chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39012
diff
changeset
|
1019 close = closechunk() |
c4a2d19d393a
changegroup: move file chunk emission to generate()
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parents:
39012
diff
changeset
|
1020 size += len(close) |
c4a2d19d393a
changegroup: move file chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39012
diff
changeset
|
1021 yield close |
c4a2d19d393a
changegroup: move file chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39012
diff
changeset
|
1022 |
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1023 self._verbosenote(_(b'%8.i %s\n') % (size, path)) |
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1024 |
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1025 yield closechunk() |
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1026 |
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1027 if clnodes: |
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1028 repo.hook(b'outgoing', node=hex(clnodes[0]), source=source) |
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1029 |
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1030 def _generatechangelog(self, cl, nodes, generate=True): |
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1031 """Generate data for changelog chunks. |
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1032 |
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1033 Returns a 2-tuple of a dict containing state and an iterable of |
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1034 byte chunks. The state will not be fully populated until the |
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1035 chunk stream has been fully consumed. |
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1036 |
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1037 if generate is False, the state will be fully populated and no chunk |
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1038 stream will be yielded |
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1039 """ |
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1040 clrevorder = {} |
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1041 manifests = {} |
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1042 mfl = self._repo.manifestlog |
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1043 changedfiles = set() |
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1044 clrevtomanifestrev = {} |
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1045 |
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1046 state = { |
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1047 b'clrevorder': clrevorder, |
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1048 b'manifests': manifests, |
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1049 b'changedfiles': changedfiles, |
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1050 b'clrevtomanifestrev': clrevtomanifestrev, |
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1051 } |
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1052 |
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1053 if not (generate or self._ellipses): |
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1054 # sort the nodes in storage order |
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1055 nodes = sorted(nodes, key=cl.rev) |
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1056 for node in nodes: |
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1057 c = cl.changelogrevision(node) |
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1058 clrevorder[node] = len(clrevorder) |
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1059 # record the first changeset introducing this manifest version |
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1060 manifests.setdefault(c.manifest, node) |
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1061 # Record a complete list of potentially-changed files in |
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1062 # this manifest. |
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1063 changedfiles.update(c.files) |
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1064 |
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1065 return state, () |
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1066 |
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1067 # Callback for the changelog, used to collect changed files and |
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1068 # manifest nodes. |
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1069 # Returns the linkrev node (identity in the changelog case). |
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1070 def lookupcl(x): |
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1071 c = cl.changelogrevision(x) |
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1072 clrevorder[x] = len(clrevorder) |
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1073 |
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1074 if self._ellipses: |
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1075 # Only update manifests if x is going to be sent. Otherwise we |
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1076 # end up with bogus linkrevs specified for manifests and |
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1077 # we skip some manifest nodes that we should otherwise |
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1078 # have sent. |
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1079 if ( |
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1080 x in self._fullclnodes |
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1081 or cl.rev(x) in self._precomputedellipsis |
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1082 ): |
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1083 |
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1084 manifestnode = c.manifest |
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1085 # Record the first changeset introducing this manifest |
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1086 # version. |
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1087 manifests.setdefault(manifestnode, x) |
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1088 # Set this narrow-specific dict so we have the lowest |
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1089 # manifest revnum to look up for this cl revnum. (Part of |
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1090 # mapping changelog ellipsis parents to manifest ellipsis |
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1091 # parents) |
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1092 clrevtomanifestrev.setdefault( |
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1093 cl.rev(x), mfl.rev(manifestnode) |
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1094 ) |
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1095 # We can't trust the changed files list in the changeset if the |
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1096 # client requested a shallow clone. |
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1097 if self._isshallow: |
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1098 changedfiles.update(mfl[c.manifest].read().keys()) |
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1099 else: |
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1100 changedfiles.update(c.files) |
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1101 else: |
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1102 # record the first changeset introducing this manifest version |
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1103 manifests.setdefault(c.manifest, x) |
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1104 # Record a complete list of potentially-changed files in |
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1105 # this manifest. |
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1106 changedfiles.update(c.files) |
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1107 |
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1108 return x |
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1109 |
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1110 gen = deltagroup( |
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1111 self._repo, |
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1112 cl, |
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1113 nodes, |
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1114 True, |
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1115 lookupcl, |
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1116 self._forcedeltaparentprev, |
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1117 ellipses=self._ellipses, |
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1118 topic=_(b'changesets'), |
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1119 clrevtolocalrev={}, |
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1120 fullclnodes=self._fullclnodes, |
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1121 precomputedellipsis=self._precomputedellipsis, |
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1122 ) |
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1123 |
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1124 return state, gen |
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1125 |
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1126 def generatemanifests( |
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1127 self, |
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1128 commonrevs, |
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1129 clrevorder, |
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1130 fastpathlinkrev, |
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1131 manifests, |
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1132 fnodes, |
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1133 source, |
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1134 clrevtolocalrev, |
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1135 ): |
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1136 """Returns an iterator of changegroup chunks containing manifests. |
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1137 |
75cc1f1e11f2
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Durham Goode <durham@fb.com>
parents:
34148
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|
1138 `source` is unused here, but is used by extensions like remotefilelog to |
75cc1f1e11f2
changegroup: add source parameter to generatemanifests
Durham Goode <durham@fb.com>
parents:
34148
diff
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|
1139 change what is sent based in pulls vs pushes, etc. |
75cc1f1e11f2
changegroup: add source parameter to generatemanifests
Durham Goode <durham@fb.com>
parents:
34148
diff
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|
1140 """ |
28227
1c36cc8e7870
changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27953
diff
changeset
|
1141 repo = self._repo |
30294
bce79dfcf5e4
manifest: get rid of manifest.readshallowfast
Durham Goode <durham@fb.com>
parents:
30268
diff
changeset
|
1142 mfl = repo.manifestlog |
43077
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Augie Fackler <augie@google.com>
parents:
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diff
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|
1143 tmfnodes = {b'': manifests} |
28227
1c36cc8e7870
changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27953
diff
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|
1144 |
19207
a67e1380dfbd
bundle-ng: simplify lookup and state handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19206
diff
changeset
|
1145 # Callback for the manifest, used to collect linkrevs for filelog |
a67e1380dfbd
bundle-ng: simplify lookup and state handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19206
diff
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|
1146 # revisions. |
a67e1380dfbd
bundle-ng: simplify lookup and state handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19206
diff
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|
1147 # Returns the linkrev node (collected in lookupcl). |
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
1148 def makelookupmflinknode(tree, nodes): |
28231
3faba927dd93
changegroup: introduce makelookupmflinknode(dir)
Martin von Zweigbergk <martinvonz@google.com>
parents:
28230
diff
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|
1149 if fastpathlinkrev: |
39233
8b9b93bf70b1
changegroup: rename dir to tree to avoid shadowing a built-in
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
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|
1150 assert not tree |
43490
5b5e62c24b2e
changegroup: suppress pytype error that's wrong
Augie Fackler <augie@google.com>
parents:
43489
diff
changeset
|
1151 return ( |
44306
a0ec05d93c8e
cleanup: re-run black on the codebase
Augie Fackler <augie@google.com>
parents:
43971
diff
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|
1152 manifests.__getitem__ |
a0ec05d93c8e
cleanup: re-run black on the codebase
Augie Fackler <augie@google.com>
parents:
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diff
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|
1153 ) # pytype: disable=unsupported-operands |
28231
3faba927dd93
changegroup: introduce makelookupmflinknode(dir)
Martin von Zweigbergk <martinvonz@google.com>
parents:
28230
diff
changeset
|
1154 |
27239
65c47779bcb5
changegroup: remove one special case from lookupmflinknode
Augie Fackler <augie@google.com>
parents:
27238
diff
changeset
|
1155 def lookupmflinknode(x): |
65c47779bcb5
changegroup: remove one special case from lookupmflinknode
Augie Fackler <augie@google.com>
parents:
27238
diff
changeset
|
1156 """Callback for looking up the linknode for manifests. |
27219
beb60a898dd0
changegroup: document manifest linkrev callback some more
Augie Fackler <augie@google.com>
parents:
27218
diff
changeset
|
1157 |
27239
65c47779bcb5
changegroup: remove one special case from lookupmflinknode
Augie Fackler <augie@google.com>
parents:
27238
diff
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|
1158 Returns the linkrev node for the specified manifest. |
27219
beb60a898dd0
changegroup: document manifest linkrev callback some more
Augie Fackler <augie@google.com>
parents:
27218
diff
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|
1159 |
27239
65c47779bcb5
changegroup: remove one special case from lookupmflinknode
Augie Fackler <augie@google.com>
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|
1160 SIDE EFFECT: |
65c47779bcb5
changegroup: remove one special case from lookupmflinknode
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|
1161 |
27432
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changegroup: introduce cg3, which has support for exchanging treemanifests
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27241
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changeset
|
1162 1) fclnodes gets populated with the list of relevant |
77d25b913f80
changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
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27241
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|
1163 file nodes if we're not using fastpathlinkrev |
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changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
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diff
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|
1164 2) When treemanifests are in use, collects treemanifest nodes |
77d25b913f80
changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
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27241
diff
changeset
|
1165 to send |
27219
beb60a898dd0
changegroup: document manifest linkrev callback some more
Augie Fackler <augie@google.com>
parents:
27218
diff
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|
1166 |
27432
77d25b913f80
changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents:
27241
diff
changeset
|
1167 Note that this means manifests must be completely sent to |
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changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents:
27241
diff
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|
1168 the client before you can trust the list of files and |
77d25b913f80
changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents:
27241
diff
changeset
|
1169 treemanifests to send. |
27239
65c47779bcb5
changegroup: remove one special case from lookupmflinknode
Augie Fackler <augie@google.com>
parents:
27238
diff
changeset
|
1170 """ |
35012
d80380ba8e7d
changegroup: use any node, not min(), in treemanifest's generatemanifests
Kyle Lippincott <spectral@google.com>
parents:
34734
diff
changeset
|
1171 clnode = nodes[x] |
39233
8b9b93bf70b1
changegroup: rename dir to tree to avoid shadowing a built-in
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39231
diff
changeset
|
1172 mdata = mfl.get(tree, x).readfast(shallow=True) |
28241
a4286175ecba
changegroup: drop special-casing of flat manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
28240
diff
changeset
|
1173 for p, n, fl in mdata.iterentries(): |
43077
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formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
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diff
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|
1174 if fl == b't': # subdirectory manifest |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
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diff
changeset
|
1175 subtree = tree + p + b'/' |
39233
8b9b93bf70b1
changegroup: rename dir to tree to avoid shadowing a built-in
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39231
diff
changeset
|
1176 tmfclnodes = tmfnodes.setdefault(subtree, {}) |
28241
a4286175ecba
changegroup: drop special-casing of flat manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
1177 tmfclnode = tmfclnodes.setdefault(n, clnode) |
a4286175ecba
changegroup: drop special-casing of flat manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
28240
diff
changeset
|
1178 if clrevorder[clnode] < clrevorder[tmfclnode]: |
a4286175ecba
changegroup: drop special-casing of flat manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
28240
diff
changeset
|
1179 tmfclnodes[n] = clnode |
a4286175ecba
changegroup: drop special-casing of flat manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
1180 else: |
39233
8b9b93bf70b1
changegroup: rename dir to tree to avoid shadowing a built-in
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39231
diff
changeset
|
1181 f = tree + p |
28240
1ac8ce137377
changegroup: fix treemanifests on merges
Martin von Zweigbergk <martinvonz@google.com>
parents:
28232
diff
changeset
|
1182 fclnodes = fnodes.setdefault(f, {}) |
1ac8ce137377
changegroup: fix treemanifests on merges
Martin von Zweigbergk <martinvonz@google.com>
parents:
28232
diff
changeset
|
1183 fclnode = fclnodes.setdefault(n, clnode) |
1ac8ce137377
changegroup: fix treemanifests on merges
Martin von Zweigbergk <martinvonz@google.com>
parents:
28232
diff
changeset
|
1184 if clrevorder[clnode] < clrevorder[fclnode]: |
1ac8ce137377
changegroup: fix treemanifests on merges
Martin von Zweigbergk <martinvonz@google.com>
parents:
28232
diff
changeset
|
1185 fclnodes[n] = clnode |
27239
65c47779bcb5
changegroup: remove one special case from lookupmflinknode
Augie Fackler <augie@google.com>
parents:
27238
diff
changeset
|
1186 return clnode |
43076
2372284d9457
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43059
diff
changeset
|
1187 |
28231
3faba927dd93
changegroup: introduce makelookupmflinknode(dir)
Martin von Zweigbergk <martinvonz@google.com>
parents:
28230
diff
changeset
|
1188 return lookupmflinknode |
19206
6308896b1d4a
bundle-ng: simplify bundle10.generate
Sune Foldager <cryo@cyanite.org>
parents:
19204
diff
changeset
|
1189 |
28232
829d369fc5a8
changegroup: write root manifests and subdir manifests in a single loop
Martin von Zweigbergk <martinvonz@google.com>
parents:
28231
diff
changeset
|
1190 while tmfnodes: |
39233
8b9b93bf70b1
changegroup: rename dir to tree to avoid shadowing a built-in
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39231
diff
changeset
|
1191 tree, nodes = tmfnodes.popitem() |
40664
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changegroup: avoid instantiating storage if we are not using it
Kyle Lippincott <spectral@google.com>
parents:
40433
diff
changeset
|
1192 |
42341
27d6956d386b
match: use '' instead of '.' for root directory (API)
Martin von Zweigbergk <martinvonz@google.com>
parents:
41767
diff
changeset
|
1193 should_visit = self._matcher.visitdir(tree[:-1]) |
40664
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changegroup: avoid instantiating storage if we are not using it
Kyle Lippincott <spectral@google.com>
parents:
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diff
changeset
|
1194 if tree and not should_visit: |
dba590f27c7a
changegroup: avoid instantiating storage if we are not using it
Kyle Lippincott <spectral@google.com>
parents:
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diff
changeset
|
1195 continue |
dba590f27c7a
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Kyle Lippincott <spectral@google.com>
parents:
40433
diff
changeset
|
1196 |
39244
73cf21b2e8a6
manifest: add getstorage() to manifestlog and use it globally
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39243
diff
changeset
|
1197 store = mfl.getstorage(tree) |
39007
39f5c7afdc25
changegroup: inline _prune() into call sites
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39006
diff
changeset
|
1198 |
40664
dba590f27c7a
changegroup: avoid instantiating storage if we are not using it
Kyle Lippincott <spectral@google.com>
parents:
40433
diff
changeset
|
1199 if not should_visit: |
39733
5adc5fe41a7d
changegroup: reintroduce some comments that have gotten lost over the years
Augie Fackler <augie@google.com>
parents:
39732
diff
changeset
|
1200 # No nodes to send because this directory is out of |
5adc5fe41a7d
changegroup: reintroduce some comments that have gotten lost over the years
Augie Fackler <augie@google.com>
parents:
39732
diff
changeset
|
1201 # the client's view of the repository (probably |
40664
dba590f27c7a
changegroup: avoid instantiating storage if we are not using it
Kyle Lippincott <spectral@google.com>
parents:
40433
diff
changeset
|
1202 # because of narrow clones). Do this even for the root |
dba590f27c7a
changegroup: avoid instantiating storage if we are not using it
Kyle Lippincott <spectral@google.com>
parents:
40433
diff
changeset
|
1203 # directory (tree=='') |
39007
39f5c7afdc25
changegroup: inline _prune() into call sites
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39006
diff
changeset
|
1204 prunednodes = [] |
39f5c7afdc25
changegroup: inline _prune() into call sites
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39006
diff
changeset
|
1205 else: |
39733
5adc5fe41a7d
changegroup: reintroduce some comments that have gotten lost over the years
Augie Fackler <augie@google.com>
parents:
39732
diff
changeset
|
1206 # Avoid sending any manifest nodes we can prove the |
5adc5fe41a7d
changegroup: reintroduce some comments that have gotten lost over the years
Augie Fackler <augie@google.com>
parents:
39732
diff
changeset
|
1207 # client already has by checking linkrevs. See the |
5adc5fe41a7d
changegroup: reintroduce some comments that have gotten lost over the years
Augie Fackler <augie@google.com>
parents:
39732
diff
changeset
|
1208 # related comment in generatefiles(). |
39732
e03c1a63155c
changegroup: tease out a temporary prune method for manifests
Augie Fackler <augie@google.com>
parents:
39731
diff
changeset
|
1209 prunednodes = self._prunemanifests(store, nodes, commonrevs) |
40664
dba590f27c7a
changegroup: avoid instantiating storage if we are not using it
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parents:
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changeset
|
1210 |
39233
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changegroup: rename dir to tree to avoid shadowing a built-in
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39231
diff
changeset
|
1211 if tree and not prunednodes: |
39005
d56a6b78de3b
changegroup: invert conditional and dedent
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39004
diff
changeset
|
1212 continue |
d56a6b78de3b
changegroup: invert conditional and dedent
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39004
diff
changeset
|
1213 |
39233
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changegroup: rename dir to tree to avoid shadowing a built-in
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39231
diff
changeset
|
1214 lookupfn = makelookupmflinknode(tree, nodes) |
38982
037debbf869c
changegroup: pass sorted revisions into group() (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38981
diff
changeset
|
1215 |
39014
d662959dc881
changegroup: emit revisiondelta instances from deltagroup()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39013
diff
changeset
|
1216 deltas = deltagroup( |
43076
2372284d9457
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parents:
43059
diff
changeset
|
1217 self._repo, |
2372284d9457
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43059
diff
changeset
|
1218 store, |
2372284d9457
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changeset
|
1219 prunednodes, |
2372284d9457
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43059
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changeset
|
1220 False, |
2372284d9457
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Augie Fackler <augie@google.com>
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43059
diff
changeset
|
1221 lookupfn, |
39861
db5501d93bcf
changegroup: remove reordering control (BC)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39733
diff
changeset
|
1222 self._forcedeltaparentprev, |
39008
8c84f1ef949e
changegroup: pass all state into group()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39007
diff
changeset
|
1223 ellipses=self._ellipses, |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
1224 topic=_(b'manifests'), |
39008
8c84f1ef949e
changegroup: pass all state into group()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39007
diff
changeset
|
1225 clrevtolocalrev=clrevtolocalrev, |
8c84f1ef949e
changegroup: pass all state into group()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39007
diff
changeset
|
1226 fullclnodes=self._fullclnodes, |
43076
2372284d9457
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Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1227 precomputedellipsis=self._precomputedellipsis, |
2372284d9457
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Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1228 ) |
39008
8c84f1ef949e
changegroup: pass all state into group()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39007
diff
changeset
|
1229 |
42341
27d6956d386b
match: use '' instead of '.' for root directory (API)
Martin von Zweigbergk <martinvonz@google.com>
parents:
41767
diff
changeset
|
1230 if not self._oldmatcher.visitdir(store.tree[:-1]): |
40344
2c5835b4246b
narrow: when widening, don't include manifests the client already has
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
1231 yield tree, deltas |
2c5835b4246b
narrow: when widening, don't include manifests the client already has
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|
1232 else: |
2c5835b4246b
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Martin von Zweigbergk <martinvonz@google.com>
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diff
changeset
|
1233 # 'deltas' is a generator and we need to consume it even if |
2c5835b4246b
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Martin von Zweigbergk <martinvonz@google.com>
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changeset
|
1234 # we are not going to send it because a side-effect is that |
2c5835b4246b
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changeset
|
1235 # it updates tmdnodes (via lookupfn) |
2c5835b4246b
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Martin von Zweigbergk <martinvonz@google.com>
parents:
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changeset
|
1236 for d in deltas: |
2c5835b4246b
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Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
1237 pass |
2c5835b4246b
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changeset
|
1238 if not tree: |
2c5835b4246b
narrow: when widening, don't include manifests the client already has
Martin von Zweigbergk <martinvonz@google.com>
parents:
40082
diff
changeset
|
1239 yield tree, [] |
39010
fcdab6629dde
changegroup: emit delta group close chunk outside of deltagroup()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39009
diff
changeset
|
1240 |
39732
e03c1a63155c
changegroup: tease out a temporary prune method for manifests
Augie Fackler <augie@google.com>
parents:
39731
diff
changeset
|
1241 def _prunemanifests(self, store, nodes, commonrevs): |
41767
1c1c4ef8b72e
changegroup: move non-pruning of non-ellipsis manifests to _prunemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents:
41719
diff
changeset
|
1242 if not self._ellipses: |
1c1c4ef8b72e
changegroup: move non-pruning of non-ellipsis manifests to _prunemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents:
41719
diff
changeset
|
1243 # In non-ellipses case and large repositories, it is better to |
1c1c4ef8b72e
changegroup: move non-pruning of non-ellipsis manifests to _prunemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents:
41719
diff
changeset
|
1244 # prevent calling of store.rev and store.linkrev on a lot of |
1c1c4ef8b72e
changegroup: move non-pruning of non-ellipsis manifests to _prunemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents:
41719
diff
changeset
|
1245 # nodes as compared to sending some extra data |
1c1c4ef8b72e
changegroup: move non-pruning of non-ellipsis manifests to _prunemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents:
41719
diff
changeset
|
1246 return nodes.copy() |
39732
e03c1a63155c
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|
1247 # This is split out as a separate method to allow filtering |
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diff
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|
1248 # commonrevs in extension code. |
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parents:
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diff
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|
1249 # |
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|
1250 # TODO(augie): this shouldn't be required, instead we should |
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changegroup: tease out a temporary prune method for manifests
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diff
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|
1251 # make filtering of revisions to send delegated to the store |
e03c1a63155c
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diff
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|
1252 # layer. |
e03c1a63155c
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diff
changeset
|
1253 frev, flr = store.rev, store.linkrev |
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Augie Fackler <augie@google.com>
parents:
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diff
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|
1254 return [n for n in nodes if flr(frev(n)) not in commonrevs] |
e03c1a63155c
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Augie Fackler <augie@google.com>
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|
1255 |
24897
5c35a6040352
changegroup: document that 'source' parameter exists for extensions
Martin von Zweigbergk <martinvonz@google.com>
parents:
24896
diff
changeset
|
1256 # The 'source' parameter is useful for extensions |
43076
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diff
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|
1257 def generatefiles( |
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|
1258 self, |
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diff
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|
1259 changedfiles, |
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|
1260 commonrevs, |
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|
1261 source, |
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diff
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|
1262 mfdicts, |
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diff
changeset
|
1263 fastpathlinkrev, |
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diff
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|
1264 fnodes, |
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diff
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|
1265 clrevs, |
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|
1266 ): |
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|
1267 changedfiles = [ |
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|
1268 f |
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|
1269 for f in changedfiles |
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|
1270 if self._matcher(f) and not self._oldmatcher(f) |
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|
1271 ] |
38889
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parents:
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diff
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|
1272 |
38999
b83e9c503f2f
changegroup: define linknodes callbacks in generatefiles()
Gregory Szorc <gregory.szorc@gmail.com>
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|
1273 if not fastpathlinkrev: |
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|
1274 |
38999
b83e9c503f2f
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diff
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|
1275 def normallinknodes(unused, fname): |
b83e9c503f2f
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|
1276 return fnodes.get(fname, {}) |
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|
1277 |
38999
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|
1278 else: |
b83e9c503f2f
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Gregory Szorc <gregory.szorc@gmail.com>
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|
1279 cln = self._repo.changelog.node |
b83e9c503f2f
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diff
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|
1280 |
b83e9c503f2f
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parents:
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diff
changeset
|
1281 def normallinknodes(store, fname): |
b83e9c503f2f
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Gregory Szorc <gregory.szorc@gmail.com>
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|
1282 flinkrev = store.linkrev |
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changegroup: define linknodes callbacks in generatefiles()
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|
1283 fnode = store.node |
b83e9c503f2f
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changeset
|
1284 revs = ((r, flinkrev(r)) for r in store) |
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cleanup: run pyupgrade on our source tree to clean up varying things
Augie Fackler <augie@google.com>
parents:
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diff
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|
1285 return {fnode(r): cln(lr) for r, lr in revs if lr in clrevs} |
38999
b83e9c503f2f
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|
1286 |
39001
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|
1287 clrevtolocalrev = {} |
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|
1288 |
38904
cdb9bc216771
changegroup: declare shallow flag in constructor
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parents:
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diff
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|
1289 if self._isshallow: |
38889
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|
1290 # In a shallow clone, the linknodes callback needs to also include |
a06aab274aef
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|
1291 # those file nodes that are in the manifests we sent but weren't |
a06aab274aef
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|
1292 # introduced by those manifests. |
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|
1293 commonctxs = [self._repo[c] for c in commonrevs] |
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|
1294 clrev = self._repo.changelog.rev |
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|
1295 |
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|
1296 def linknodes(flog, fname): |
a06aab274aef
changegroup: move generatefiles() from narrow
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|
1297 for c in commonctxs: |
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|
1298 try: |
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|
1299 fnode = c.filenode(fname) |
39001
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|
1300 clrevtolocalrev[c.rev()] = flog.rev(fnode) |
38889
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|
1301 except error.ManifestLookupError: |
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changegroup: move generatefiles() from narrow
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|
1302 pass |
38999
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|
1303 links = normallinknodes(flog, fname) |
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|
1304 if len(links) != len(mfdicts): |
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parents:
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|
1305 for mf, lr in mfdicts: |
a06aab274aef
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parents:
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|
1306 fnode = mf.get(fname, None) |
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parents:
38888
diff
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|
1307 if fnode in links: |
a06aab274aef
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|
1308 links[fnode] = min(links[fnode], lr, key=clrev) |
a06aab274aef
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|
1309 elif fnode: |
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|
1310 links[fnode] = lr |
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|
1311 return links |
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|
1312 |
38999
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diff
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|
1313 else: |
b83e9c503f2f
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|
1314 linknodes = normallinknodes |
38889
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|
1315 |
19334
95a49112e7ab
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diff
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|
1316 repo = self._repo |
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|
1317 progress = repo.ui.makeprogress( |
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|
1318 _(b'files'), unit=_(b'files'), total=len(changedfiles) |
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|
1319 ) |
19334
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|
1320 for i, fname in enumerate(sorted(changedfiles)): |
95a49112e7ab
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diff
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|
1321 filerevlog = repo.file(fname) |
95a49112e7ab
bundle: move file chunk generation to it's own function
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|
1322 if not filerevlog: |
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|
1323 raise error.Abort( |
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|
1324 _(b"empty or missing file data for %s") % fname |
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|
1325 ) |
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|
1326 |
39001
a6e1ff40e335
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|
1327 clrevtolocalrev.clear() |
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|
1328 |
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diff
changeset
|
1329 linkrevnodes = linknodes(filerevlog, fname) |
19207
a67e1380dfbd
bundle-ng: simplify lookup and state handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19206
diff
changeset
|
1330 # Lookup for filenodes, we collected the linkrev nodes above in the |
a67e1380dfbd
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diff
changeset
|
1331 # fastpath case and with lookupmf in the slowpath case. |
a67e1380dfbd
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parents:
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|
1332 def lookupfilelog(x): |
a67e1380dfbd
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diff
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|
1333 return linkrevnodes[x] |
a67e1380dfbd
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diff
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|
1334 |
39007
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diff
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|
1335 frev, flr = filerevlog.rev, filerevlog.linkrev |
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|
1336 # Skip sending any filenode we know the client already |
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|
1337 # has. This avoids over-sending files relatively |
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|
1338 # inexpensively, so it's not a problem if we under-filter |
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1339 # here. |
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1340 filenodes = [ |
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1341 n for n in linkrevnodes if flr(frev(n)) not in commonrevs |
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|
1342 ] |
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|
1343 |
39020
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diff
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|
1344 if not filenodes: |
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diff
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|
1345 continue |
38982
037debbf869c
changegroup: pass sorted revisions into group() (API)
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38981
diff
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|
1346 |
39020
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diff
changeset
|
1347 progress.update(i + 1, item=fname) |
39008
8c84f1ef949e
changegroup: pass all state into group()
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parents:
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|
1348 |
39020
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changeset
|
1349 deltas = deltagroup( |
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|
1350 self._repo, |
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|
1351 filerevlog, |
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|
1352 filenodes, |
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|
1353 False, |
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|
1354 lookupfilelog, |
39861
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parents:
39733
diff
changeset
|
1355 self._forcedeltaparentprev, |
39020
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diff
changeset
|
1356 ellipses=self._ellipses, |
0b5f534df82a
changegroup: invert conditional and dedent
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parents:
39019
diff
changeset
|
1357 clrevtolocalrev=clrevtolocalrev, |
0b5f534df82a
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|
1358 fullclnodes=self._fullclnodes, |
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1359 precomputedellipsis=self._precomputedellipsis, |
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1360 ) |
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changeset
|
1361 |
0b5f534df82a
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39019
diff
changeset
|
1362 yield fname, deltas |
39010
fcdab6629dde
changegroup: emit delta group close chunk outside of deltagroup()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39009
diff
changeset
|
1363 |
38410
1c5c4a5dd86d
changegroup: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents:
38382
diff
changeset
|
1364 progress.complete() |
19200
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
1365 |
43076
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parents:
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changeset
|
1366 |
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parents:
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diff
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|
1367 def _makecg1packer( |
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parents:
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diff
changeset
|
1368 repo, |
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parents:
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diff
changeset
|
1369 oldmatcher, |
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
1370 matcher, |
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parents:
43059
diff
changeset
|
1371 bundlecaps, |
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parents:
43059
diff
changeset
|
1372 ellipses=False, |
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parents:
43059
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changeset
|
1373 shallow=False, |
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|
1374 ellipsisroots=None, |
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parents:
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|
1375 fullnodes=None, |
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Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1376 ): |
38897
bd64b8b8f0dd
changegroup: pass function to build delta header into constructor
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38896
diff
changeset
|
1377 builddeltaheader = lambda d: _CHANGEGROUPV1_DELTA_HEADER.pack( |
43076
2372284d9457
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
1378 d.node, d.p1node, d.p2node, d.linknode |
2372284d9457
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Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1379 ) |
27432
77d25b913f80
changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents:
27241
diff
changeset
|
1380 |
43076
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
1381 return cgpacker( |
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Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1382 repo, |
2372284d9457
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
1383 oldmatcher, |
2372284d9457
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
1384 matcher, |
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
1385 b'01', |
2372284d9457
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
1386 builddeltaheader=builddeltaheader, |
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
1387 manifestsend=b'', |
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Augie Fackler <augie@google.com>
parents:
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|
1388 forcedeltaparentprev=True, |
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parents:
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|
1389 bundlecaps=bundlecaps, |
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parents:
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|
1390 ellipses=ellipses, |
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|
1391 shallow=shallow, |
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|
1392 ellipsisroots=ellipsisroots, |
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Augie Fackler <augie@google.com>
parents:
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|
1393 fullnodes=fullnodes, |
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Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1394 ) |
38894
19344024a8e1
changegroup: define functions for creating changegroup packers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38893
diff
changeset
|
1395 |
43076
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diff
changeset
|
1396 |
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parents:
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diff
changeset
|
1397 def _makecg2packer( |
2372284d9457
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parents:
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diff
changeset
|
1398 repo, |
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Augie Fackler <augie@google.com>
parents:
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changeset
|
1399 oldmatcher, |
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
1400 matcher, |
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
1401 bundlecaps, |
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parents:
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diff
changeset
|
1402 ellipses=False, |
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parents:
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|
1403 shallow=False, |
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|
1404 ellipsisroots=None, |
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Augie Fackler <augie@google.com>
parents:
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changeset
|
1405 fullnodes=None, |
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parents:
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diff
changeset
|
1406 ): |
38897
bd64b8b8f0dd
changegroup: pass function to build delta header into constructor
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38896
diff
changeset
|
1407 builddeltaheader = lambda d: _CHANGEGROUPV2_DELTA_HEADER.pack( |
43076
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Augie Fackler <augie@google.com>
parents:
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diff
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|
1408 d.node, d.p1node, d.p2node, d.basenode, d.linknode |
2372284d9457
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Augie Fackler <augie@google.com>
parents:
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changeset
|
1409 ) |
38897
bd64b8b8f0dd
changegroup: pass function to build delta header into constructor
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38896
diff
changeset
|
1410 |
43076
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parents:
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|
1411 return cgpacker( |
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|
1412 repo, |
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Augie Fackler <augie@google.com>
parents:
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changeset
|
1413 oldmatcher, |
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Augie Fackler <augie@google.com>
parents:
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changeset
|
1414 matcher, |
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
1415 b'02', |
2372284d9457
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Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1416 builddeltaheader=builddeltaheader, |
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Augie Fackler <augie@google.com>
parents:
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|
1417 manifestsend=b'', |
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Augie Fackler <augie@google.com>
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changeset
|
1418 bundlecaps=bundlecaps, |
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Augie Fackler <augie@google.com>
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|
1419 ellipses=ellipses, |
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Augie Fackler <augie@google.com>
parents:
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|
1420 shallow=shallow, |
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|
1421 ellipsisroots=ellipsisroots, |
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parents:
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|
1422 fullnodes=fullnodes, |
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Augie Fackler <augie@google.com>
parents:
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changeset
|
1423 ) |
38894
19344024a8e1
changegroup: define functions for creating changegroup packers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38893
diff
changeset
|
1424 |
38897
bd64b8b8f0dd
changegroup: pass function to build delta header into constructor
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38896
diff
changeset
|
1425 |
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|
1426 def _makecg3packer( |
2372284d9457
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changeset
|
1427 repo, |
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Augie Fackler <augie@google.com>
parents:
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changeset
|
1428 oldmatcher, |
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Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1429 matcher, |
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Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1430 bundlecaps, |
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Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1431 ellipses=False, |
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Augie Fackler <augie@google.com>
parents:
43059
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changeset
|
1432 shallow=False, |
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Augie Fackler <augie@google.com>
parents:
43059
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changeset
|
1433 ellipsisroots=None, |
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Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1434 fullnodes=None, |
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Augie Fackler <augie@google.com>
parents:
43059
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changeset
|
1435 ): |
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Augie Fackler <augie@google.com>
parents:
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|
1436 builddeltaheader = lambda d: _CHANGEGROUPV3_DELTA_HEADER.pack( |
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Augie Fackler <augie@google.com>
parents:
43059
diff
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|
1437 d.node, d.p1node, d.p2node, d.basenode, d.linknode, d.flags |
2372284d9457
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parents:
43059
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changeset
|
1438 ) |
38894
19344024a8e1
changegroup: define functions for creating changegroup packers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38893
diff
changeset
|
1439 |
43076
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
1440 return cgpacker( |
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Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1441 repo, |
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
1442 oldmatcher, |
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Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1443 matcher, |
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Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1444 b'03', |
2372284d9457
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Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1445 builddeltaheader=builddeltaheader, |
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Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1446 manifestsend=closechunk(), |
2372284d9457
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Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1447 bundlecaps=bundlecaps, |
2372284d9457
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Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1448 ellipses=ellipses, |
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Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1449 shallow=shallow, |
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Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1450 ellipsisroots=ellipsisroots, |
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Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1451 fullnodes=fullnodes, |
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Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1452 ) |
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parents:
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changeset
|
1453 |
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changeset
|
1454 |
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Augie Fackler <augie@google.com>
parents:
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changeset
|
1455 _packermap = { |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
1456 b'01': (_makecg1packer, cg1unpacker), |
43076
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Augie Fackler <augie@google.com>
parents:
43059
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changeset
|
1457 # cg2 adds support for exchanging generaldelta |
43077
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
1458 b'02': (_makecg2packer, cg2unpacker), |
43076
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Augie Fackler <augie@google.com>
parents:
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changeset
|
1459 # cg3 adds support for exchanging revlog flags and treemanifests |
43077
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
1460 b'03': (_makecg3packer, cg3unpacker), |
26709
42733e956887
changegroup: reformat packermap and add comment
Augie Fackler <augie@google.com>
parents:
26708
diff
changeset
|
1461 } |
23168
a92ba36a1a9d
changegroup: add a "packermap" dictionary to track different packer versions
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22971
diff
changeset
|
1462 |
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changeset
|
1463 |
30627
7ace5304fec5
changegroup: pass 'repo' to allsupportedversions
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30626
diff
changeset
|
1464 def allsupportedversions(repo): |
27928
c0f11347b107
changegroup: don't support versions 01 and 02 with treemanifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27920
diff
changeset
|
1465 versions = set(_packermap.keys()) |
43059
4bbc9569e722
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
42897
diff
changeset
|
1466 needv03 = False |
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|
1467 if ( |
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|
1468 repo.ui.configbool(b'experimental', b'changegroup3') |
687b865b95ad
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parents:
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changeset
|
1469 or repo.ui.configbool(b'experimental', b'treemanifest') |
687b865b95ad
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parents:
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|
1470 or b'treemanifest' in repo.requirements |
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|
1471 ): |
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
42897
diff
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|
1472 # we keep version 03 because we need to to exchange treemanifest data |
4bbc9569e722
changegroup: use positive logic for treemanifest changegroup3 logic
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
42897
diff
changeset
|
1473 # |
4bbc9569e722
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
42897
diff
changeset
|
1474 # we also keep vresion 01 and 02, because it is possible for repo to |
4bbc9569e722
changegroup: use positive logic for treemanifest changegroup3 logic
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
42897
diff
changeset
|
1475 # contains both normal and tree manifest at the same time. so using |
4bbc9569e722
changegroup: use positive logic for treemanifest changegroup3 logic
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
42897
diff
changeset
|
1476 # older version to pull data is viable |
4bbc9569e722
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
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diff
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|
1477 # |
4bbc9569e722
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
42897
diff
changeset
|
1478 # (or even to push subset of history) |
4bbc9569e722
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
42897
diff
changeset
|
1479 needv03 = True |
43132
8f807a83d53b
sidedata: use only changegroup3 if sidedata is in use
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43117
diff
changeset
|
1480 if b'exp-sidedata-flag' in repo.requirements: |
8f807a83d53b
sidedata: use only changegroup3 if sidedata is in use
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43117
diff
changeset
|
1481 needv03 = True |
8f807a83d53b
sidedata: use only changegroup3 if sidedata is in use
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43117
diff
changeset
|
1482 # don't attempt to use 01/02 until we do sidedata cleaning |
8f807a83d53b
sidedata: use only changegroup3 if sidedata is in use
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43117
diff
changeset
|
1483 versions.discard(b'01') |
8f807a83d53b
sidedata: use only changegroup3 if sidedata is in use
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
43117
diff
changeset
|
1484 versions.discard(b'02') |
43059
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
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diff
changeset
|
1485 if not needv03: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
1486 versions.discard(b'03') |
27953
88609cfa3745
changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27946
diff
changeset
|
1487 return versions |
88609cfa3745
changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27946
diff
changeset
|
1488 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1489 |
27953
88609cfa3745
changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27946
diff
changeset
|
1490 # Changegroup versions that can be applied to the repo |
88609cfa3745
changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27946
diff
changeset
|
1491 def supportedincomingversions(repo): |
30628
a001cd7296a5
changegroup: simplify logic around enabling changegroup 03
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30627
diff
changeset
|
1492 return allsupportedversions(repo) |
27953
88609cfa3745
changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27946
diff
changeset
|
1493 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1494 |
27953
88609cfa3745
changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27946
diff
changeset
|
1495 # Changegroup versions that can be created from the repo |
88609cfa3745
changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27946
diff
changeset
|
1496 def supportedoutgoingversions(repo): |
30627
7ace5304fec5
changegroup: pass 'repo' to allsupportedversions
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30626
diff
changeset
|
1497 versions = allsupportedversions(repo) |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
1498 if b'treemanifest' in repo.requirements: |
27928
c0f11347b107
changegroup: don't support versions 01 and 02 with treemanifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27920
diff
changeset
|
1499 # Versions 01 and 02 support only flat manifests and it's just too |
c0f11347b107
changegroup: don't support versions 01 and 02 with treemanifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27920
diff
changeset
|
1500 # expensive to convert between the flat manifest and tree manifest on |
c0f11347b107
changegroup: don't support versions 01 and 02 with treemanifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27920
diff
changeset
|
1501 # the fly. Since tree manifests are hashed differently, all of history |
c0f11347b107
changegroup: don't support versions 01 and 02 with treemanifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27920
diff
changeset
|
1502 # would have to be converted. Instead, we simply don't even pretend to |
c0f11347b107
changegroup: don't support versions 01 and 02 with treemanifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27920
diff
changeset
|
1503 # support versions 01 and 02. |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
1504 versions.discard(b'01') |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
1505 versions.discard(b'02') |
38835
a232e6744ba3
narrow: move requirement constant from changegroup to repository
Martin von Zweigbergk <martinvonz@google.com>
parents:
38806
diff
changeset
|
1506 if repository.NARROW_REQUIREMENT in repo.requirements: |
36465
94709406f10d
narrow: move changegroup.supportedoutgoingversions() override to core
Martin von Zweigbergk <martinvonz@google.com>
parents:
36464
diff
changeset
|
1507 # Versions 01 and 02 don't support revlog flags, and we need to |
94709406f10d
narrow: move changegroup.supportedoutgoingversions() override to core
Martin von Zweigbergk <martinvonz@google.com>
parents:
36464
diff
changeset
|
1508 # support that for stripping and unbundling to work. |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
1509 versions.discard(b'01') |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
1510 versions.discard(b'02') |
37132
a54113fcc8c9
lfs: move the 'supportedoutgoingversions' handling to changegroup.py
Matt Harbison <matt_harbison@yahoo.com>
parents:
37084
diff
changeset
|
1511 if LFS_REQUIREMENT in repo.requirements: |
a54113fcc8c9
lfs: move the 'supportedoutgoingversions' handling to changegroup.py
Matt Harbison <matt_harbison@yahoo.com>
parents:
37084
diff
changeset
|
1512 # Versions 01 and 02 don't support revlog flags, and we need to |
a54113fcc8c9
lfs: move the 'supportedoutgoingversions' handling to changegroup.py
Matt Harbison <matt_harbison@yahoo.com>
parents:
37084
diff
changeset
|
1513 # mark LFS entries with REVIDX_EXTSTORED. |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
1514 versions.discard(b'01') |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
1515 versions.discard(b'02') |
37132
a54113fcc8c9
lfs: move the 'supportedoutgoingversions' handling to changegroup.py
Matt Harbison <matt_harbison@yahoo.com>
parents:
37084
diff
changeset
|
1516 |
27752
29cfc474c5fd
changegroup3: introduce experimental.changegroup3 boolean config
Martin von Zweigbergk <martinvonz@google.com>
parents:
27751
diff
changeset
|
1517 return versions |
27751
a40e2f7fe49d
changegroup: hide packermap behind methods
Martin von Zweigbergk <martinvonz@google.com>
parents:
27739
diff
changeset
|
1518 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1519 |
34144
91f0677dc920
repair: preserve phase also when not using generaldelta (issue5678)
Martin von Zweigbergk <martinvonz@google.com>
parents:
33461
diff
changeset
|
1520 def localversion(repo): |
91f0677dc920
repair: preserve phase also when not using generaldelta (issue5678)
Martin von Zweigbergk <martinvonz@google.com>
parents:
33461
diff
changeset
|
1521 # Finds the best version to use for bundles that are meant to be used |
91f0677dc920
repair: preserve phase also when not using generaldelta (issue5678)
Martin von Zweigbergk <martinvonz@google.com>
parents:
33461
diff
changeset
|
1522 # locally, such as those from strip and shelve, and temporary bundles. |
91f0677dc920
repair: preserve phase also when not using generaldelta (issue5678)
Martin von Zweigbergk <martinvonz@google.com>
parents:
33461
diff
changeset
|
1523 return max(supportedoutgoingversions(repo)) |
91f0677dc920
repair: preserve phase also when not using generaldelta (issue5678)
Martin von Zweigbergk <martinvonz@google.com>
parents:
33461
diff
changeset
|
1524 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1525 |
27929
3b2ac2115464
changegroup: introduce safeversion()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27928
diff
changeset
|
1526 def safeversion(repo): |
3b2ac2115464
changegroup: introduce safeversion()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27928
diff
changeset
|
1527 # Finds the smallest version that it's safe to assume clients of the repo |
27931
1289a122cf3f
shelve: use cg3 for treemanifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27929
diff
changeset
|
1528 # will support. For example, all hg versions that support generaldelta also |
1289a122cf3f
shelve: use cg3 for treemanifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27929
diff
changeset
|
1529 # support changegroup 02. |
27953
88609cfa3745
changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27946
diff
changeset
|
1530 versions = supportedoutgoingversions(repo) |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
1531 if b'generaldelta' in repo.requirements: |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
1532 versions.discard(b'01') |
27929
3b2ac2115464
changegroup: introduce safeversion()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27928
diff
changeset
|
1533 assert versions |
3b2ac2115464
changegroup: introduce safeversion()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27928
diff
changeset
|
1534 return min(versions) |
3b2ac2115464
changegroup: introduce safeversion()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27928
diff
changeset
|
1535 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1536 |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1537 def getbundler( |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1538 version, |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1539 repo, |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1540 bundlecaps=None, |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1541 oldmatcher=None, |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1542 matcher=None, |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1543 ellipses=False, |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1544 shallow=False, |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1545 ellipsisroots=None, |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1546 fullnodes=None, |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1547 ): |
27953
88609cfa3745
changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27946
diff
changeset
|
1548 assert version in supportedoutgoingversions(repo) |
38794
1d01cf0416a5
changegroup: move file matcher from narrow extension
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38783
diff
changeset
|
1549 |
40344
2c5835b4246b
narrow: when widening, don't include manifests the client already has
Martin von Zweigbergk <martinvonz@google.com>
parents:
40082
diff
changeset
|
1550 if matcher is None: |
41676
0531dff73d0b
match: delete unused root and cwd arguments from {always,never,exact}() (API)
Martin von Zweigbergk <martinvonz@google.com>
parents:
41673
diff
changeset
|
1551 matcher = matchmod.always() |
40344
2c5835b4246b
narrow: when widening, don't include manifests the client already has
Martin von Zweigbergk <martinvonz@google.com>
parents:
40082
diff
changeset
|
1552 if oldmatcher is None: |
41676
0531dff73d0b
match: delete unused root and cwd arguments from {always,never,exact}() (API)
Martin von Zweigbergk <martinvonz@google.com>
parents:
41673
diff
changeset
|
1553 oldmatcher = matchmod.never() |
38794
1d01cf0416a5
changegroup: move file matcher from narrow extension
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38783
diff
changeset
|
1554 |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
1555 if version == b'01' and not matcher.always(): |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1556 raise error.ProgrammingError( |
43117
8ff1ecfadcd1
cleanup: join string literals that are already on one line
Martin von Zweigbergk <martinvonz@google.com>
parents:
43106
diff
changeset
|
1557 b'version 01 changegroups do not support sparse file matchers' |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1558 ) |
38794
1d01cf0416a5
changegroup: move file matcher from narrow extension
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38783
diff
changeset
|
1559 |
38908
1469584ad5fe
changegroup: specify ellipses mode explicitly
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38907
diff
changeset
|
1560 if ellipses and version in (b'01', b'02'): |
1469584ad5fe
changegroup: specify ellipses mode explicitly
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38907
diff
changeset
|
1561 raise error.Abort( |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1562 _( |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
1563 b'ellipsis nodes require at least cg3 on client and server, ' |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
1564 b'but negotiated version %s' |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1565 ) |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1566 % version |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1567 ) |
38908
1469584ad5fe
changegroup: specify ellipses mode explicitly
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38907
diff
changeset
|
1568 |
38794
1d01cf0416a5
changegroup: move file matcher from narrow extension
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38783
diff
changeset
|
1569 # Requested files could include files not in the local store. So |
1d01cf0416a5
changegroup: move file matcher from narrow extension
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38783
diff
changeset
|
1570 # filter those out. |
40344
2c5835b4246b
narrow: when widening, don't include manifests the client already has
Martin von Zweigbergk <martinvonz@google.com>
parents:
40082
diff
changeset
|
1571 matcher = repo.narrowmatch(matcher) |
38794
1d01cf0416a5
changegroup: move file matcher from narrow extension
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38783
diff
changeset
|
1572 |
38894
19344024a8e1
changegroup: define functions for creating changegroup packers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38893
diff
changeset
|
1573 fn = _packermap[version][0] |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1574 return fn( |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1575 repo, |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1576 oldmatcher, |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1577 matcher, |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1578 bundlecaps, |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1579 ellipses=ellipses, |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1580 shallow=shallow, |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1581 ellipsisroots=ellipsisroots, |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1582 fullnodes=fullnodes, |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1583 ) |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1584 |
27751
a40e2f7fe49d
changegroup: hide packermap behind methods
Martin von Zweigbergk <martinvonz@google.com>
parents:
27739
diff
changeset
|
1585 |
29593
953839de96ab
bundle2: store changeset count when creating file bundles
Gregory Szorc <gregory.szorc@gmail.com>
parents:
29371
diff
changeset
|
1586 def getunbundler(version, fh, alg, extras=None): |
953839de96ab
bundle2: store changeset count when creating file bundles
Gregory Szorc <gregory.szorc@gmail.com>
parents:
29371
diff
changeset
|
1587 return _packermap[version][1](fh, alg, extras=extras) |
27751
a40e2f7fe49d
changegroup: hide packermap behind methods
Martin von Zweigbergk <martinvonz@google.com>
parents:
27739
diff
changeset
|
1588 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
43059
diff
changeset
|
1589 |
20926
7c1ed40e3325
localrepo: move the changegroupinfo method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20925
diff
changeset
|
1590 def _changegroupinfo(repo, nodes, source): |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
1591 if repo.ui.verbose or source == b'bundle': |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
1592 repo.ui.status(_(b"%d changesets found\n") % len(nodes)) |
20926
7c1ed40e3325
localrepo: move the changegroupinfo method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20925
diff
changeset
|
1593 if repo.ui.debugflag: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
1594 repo.ui.debug(b"list of changesets:\n") |
20926
7c1ed40e3325
localrepo: move the changegroupinfo method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20925
diff
changeset
|
1595 for node in nodes: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
1596 repo.ui.debug(b"%s\n" % hex(node)) |
20926
7c1ed40e3325
localrepo: move the changegroupinfo method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20925
diff
changeset
|
1597 |
34096
f85dfde1731a
changegroup: replace getsubset with makechangegroup
Durham Goode <durham@fb.com>
parents:
34091
diff
changeset
|
1598 |
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1599 def makechangegroup( |
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1600 repo, outgoing, version, source, fastpath=False, bundlecaps=None |
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1601 ): |
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1602 cgstream = makestream( |
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|
1603 repo, |
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|
1604 outgoing, |
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|
1605 version, |
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|
1606 source, |
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|
1607 fastpath=fastpath, |
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|
1608 bundlecaps=bundlecaps, |
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|
1609 ) |
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|
1610 return getunbundler( |
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1611 version, |
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|
1612 util.chunkbuffer(cgstream), |
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1613 None, |
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1614 {b'clcount': len(outgoing.missing)}, |
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1615 ) |
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1616 |
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1617 |
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1618 def makestream( |
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1619 repo, |
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|
1620 outgoing, |
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1621 version, |
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1622 source, |
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|
1623 fastpath=False, |
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1624 bundlecaps=None, |
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|
1625 matcher=None, |
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1626 ): |
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|
1627 bundler = getbundler(version, repo, bundlecaps=bundlecaps, matcher=matcher) |
34103
92f1e2be8ab6
changegroup: rename getsubsetraw to makestream
Durham Goode <durham@fb.com>
parents:
34101
diff
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|
1628 |
20925
5174c48ed8d8
localrepo: move the _changegroupsubset method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
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|
1629 repo = repo.unfiltered() |
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localrepo: move the _changegroupsubset method in changegroup module
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|
1630 commonrevs = outgoing.common |
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diff
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|
1631 csets = outgoing.missing |
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|
1632 heads = outgoing.missingheads |
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|
1633 # We go through the fast path if we get told to, or if all (unfiltered |
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|
1634 # heads have been requested (since we then know there all linkrevs will |
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|
1635 # be pulled by the client). |
5174c48ed8d8
localrepo: move the _changegroupsubset method in changegroup module
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|
1636 heads.sort() |
5174c48ed8d8
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|
1637 fastpathlinkrev = fastpath or ( |
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|
1638 repo.filtername is None and heads == sorted(repo.heads()) |
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1639 ) |
20925
5174c48ed8d8
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|
1640 |
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|
1641 repo.hook(b'preoutgoing', throw=True, source=source) |
20926
7c1ed40e3325
localrepo: move the changegroupinfo method in changegroup module
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parents:
20925
diff
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|
1642 _changegroupinfo(repo, csets, source) |
23177
706547a14b8b
changegroup: introduce "raw" versions of some commands
Sune Foldager <cryo@cyanite.org>
parents:
23168
diff
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|
1643 return bundler.generate(commonrevs, csets, fastpathlinkrev, source) |
706547a14b8b
changegroup: introduce "raw" versions of some commands
Sune Foldager <cryo@cyanite.org>
parents:
23168
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|
1644 |
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|
1645 |
28361
277a22cd8741
changegroup: progress for added files is not measured in "chunks"
Martin von Zweigbergk <martinvonz@google.com>
parents:
28360
diff
changeset
|
1646 def _addchangegroupfiles(repo, source, revmap, trp, expectedfiles, needfiles): |
20932
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localrepo: move the addchangegroupfiles method in changegroup module
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diff
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|
1647 revisions = 0 |
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localrepo: move the addchangegroupfiles method in changegroup module
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|
1648 files = 0 |
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1649 progress = repo.ui.makeprogress( |
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|
1650 _(b'files'), unit=_(b'files'), total=expectedfiles |
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|
1651 ) |
29724
4e7be6e33269
changegroup: use `iter(callable, sentinel)` instead of while True
Augie Fackler <augie@google.com>
parents:
29690
diff
changeset
|
1652 for chunkdata in iter(source.filelogheader, {}): |
28361
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changegroup: progress for added files is not measured in "chunks"
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|
1653 files += 1 |
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|
1654 f = chunkdata[b"filename"] |
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|
1655 repo.ui.debug(b"adding %s revisions\n" % f) |
38382
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changegroup: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents:
38373
diff
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|
1656 progress.increment() |
27754
a09f143daaf4
changegroup3: move treemanifest support into _unpackmanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27753
diff
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|
1657 fl = repo.file(f) |
20932
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
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diff
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|
1658 o = len(fl) |
24120
a450e0a2ba0a
revlog: in addgroup, reject ill-formed deltas based on censored nodes
Mike Edgar <adgar@google.com>
parents:
23897
diff
changeset
|
1659 try: |
34291
1db9abf407c5
revlog: add revmap back to revlog.addgroup
Durham Goode <durham@fb.com>
parents:
34257
diff
changeset
|
1660 deltas = source.deltaiter() |
1db9abf407c5
revlog: add revmap back to revlog.addgroup
Durham Goode <durham@fb.com>
parents:
34257
diff
changeset
|
1661 if not fl.addgroup(deltas, revmap, trp): |
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|
1662 raise error.Abort(_(b"received file revlog group is empty")) |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
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25624
diff
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|
1663 except error.CensoredBaseError as e: |
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|
1664 raise error.Abort(_(b"received delta base is censored: %s") % e) |
27754
a09f143daaf4
changegroup3: move treemanifest support into _unpackmanifests()
Martin von Zweigbergk <martinvonz@google.com>
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27753
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|
1665 revisions += len(fl) - o |
20932
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
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|
1666 if f in needfiles: |
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|
1667 needs = needfiles[f] |
38783
e7aa113b14f7
global: use pycompat.xrange()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38556
diff
changeset
|
1668 for new in pycompat.xrange(o, len(fl)): |
20932
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
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|
1669 n = fl.node(new) |
0ac83e4e4f7c
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|
1670 if n in needs: |
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|
1671 needs.remove(n) |
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|
1672 else: |
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|
1673 raise error.Abort(_(b"received spurious file revlog entry")) |
20932
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|
1674 if not needs: |
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|
1675 del needfiles[f] |
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changegroup: use progress helper
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38373
diff
changeset
|
1676 progress.complete() |
20932
0ac83e4e4f7c
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|
1677 |
43106
d783f945a701
py3: finish porting iteritems() to pycompat and remove source transformer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
43085
diff
changeset
|
1678 for f, needs in pycompat.iteritems(needfiles): |
20932
0ac83e4e4f7c
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|
1679 fl = repo.file(f) |
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|
1680 for n in needs: |
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|
1681 try: |
0ac83e4e4f7c
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diff
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|
1682 fl.rev(n) |
0ac83e4e4f7c
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20931
diff
changeset
|
1683 except error.LookupError: |
26587
56b2bcea2529
error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26540
diff
changeset
|
1684 raise error.Abort( |
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|
1685 _(b'missing file data for %s:%s - run hg verify') |
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|
1686 % (f, hex(n)) |
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changeset
|
1687 ) |
20932
0ac83e4e4f7c
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20931
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|
1688 |
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
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20931
diff
changeset
|
1689 return revisions, files |