Mercurial > hg
annotate mercurial/changegroup.py @ 38618:c829749e7639
shelve: directly handle the initial parent alignment
Shelve is currently sub-contracting some of its work to the rebase extension.
In order to make shelve more independent and flexible we would like shelve to
handle the parent alignment directly.
After this change, we no longer need to use rebase in shelve.
Differential Revision: https://phab.mercurial-scm.org/D3693
author | Boris Feld <boris.feld@octobus.net> |
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date | Tue, 29 May 2018 00:30:50 +0200 |
parents | 0db41eb0a3ac |
children | e7aa113b14f7 |
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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 nullrev, |
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18 short, |
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19 ) |
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20 |
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21 from . import ( |
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22 dagutil, |
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23 error, |
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24 mdiff, |
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25 phases, |
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26 pycompat, |
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27 util, |
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28 ) |
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29 |
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30 from .utils import ( |
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31 stringutil, |
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32 ) |
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33 |
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34 _CHANGEGROUPV1_DELTA_HEADER = "20s20s20s20s" |
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35 _CHANGEGROUPV2_DELTA_HEADER = "20s20s20s20s20s" |
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36 _CHANGEGROUPV3_DELTA_HEADER = ">20s20s20s20s20sH" |
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37 |
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38 LFS_REQUIREMENT = 'lfs' |
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39 |
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40 # When narrowing is finalized and no longer subject to format changes, |
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41 # we should move this to just "narrow" or similar. |
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42 NARROW_REQUIREMENT = 'narrowhg-experimental' |
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43 |
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44 readexactly = util.readexactly |
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45 |
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46 def getchunk(stream): |
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47 """return the next chunk from stream as a string""" |
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48 d = readexactly(stream, 4) |
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49 l = struct.unpack(">l", d)[0] |
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50 if l <= 4: |
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51 if l: |
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52 raise error.Abort(_("invalid chunk length %d") % l) |
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53 return "" |
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54 return readexactly(stream, l - 4) |
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55 |
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56 def chunkheader(length): |
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57 """return a changegroup chunk header (string)""" |
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58 return struct.pack(">l", length + 4) |
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59 |
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60 def closechunk(): |
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61 """return a changegroup chunk header (string) for a zero-length chunk""" |
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62 return struct.pack(">l", 0) |
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63 |
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64 def writechunks(ui, chunks, filename, vfs=None): |
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65 """Write chunks to a file and return its filename. |
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66 |
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67 The stream is assumed to be a bundle file. |
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68 Existing files will not be overwritten. |
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69 If no filename is specified, a temporary file is created. |
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70 """ |
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71 fh = None |
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72 cleanup = None |
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73 try: |
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74 if filename: |
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75 if vfs: |
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76 fh = vfs.open(filename, "wb") |
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77 else: |
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78 # Increase default buffer size because default is usually |
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79 # small (4k is common on Linux). |
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80 fh = open(filename, "wb", 131072) |
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81 else: |
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82 fd, filename = pycompat.mkstemp(prefix="hg-bundle-", suffix=".hg") |
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83 fh = os.fdopen(fd, r"wb") |
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84 cleanup = filename |
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85 for c in chunks: |
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86 fh.write(c) |
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87 cleanup = None |
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88 return filename |
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89 finally: |
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90 if fh is not None: |
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91 fh.close() |
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92 if cleanup is not None: |
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93 if filename and vfs: |
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94 vfs.unlink(cleanup) |
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95 else: |
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96 os.unlink(cleanup) |
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97 |
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98 class cg1unpacker(object): |
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99 """Unpacker for cg1 changegroup streams. |
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100 |
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101 A changegroup unpacker handles the framing of the revision data in |
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102 the wire format. Most consumers will want to use the apply() |
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103 method to add the changes from the changegroup to a repository. |
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104 |
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105 If you're forwarding a changegroup unmodified to another consumer, |
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106 use getchunks(), which returns an iterator of changegroup |
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107 chunks. This is mostly useful for cases where you need to know the |
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108 data stream has ended by observing the end of the changegroup. |
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109 |
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110 deltachunk() is useful only if you're applying delta data. Most |
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111 consumers should prefer apply() instead. |
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112 |
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113 A few other public methods exist. Those are used only for |
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114 bundlerepo and some debug commands - their use is discouraged. |
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115 """ |
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116 deltaheader = _CHANGEGROUPV1_DELTA_HEADER |
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117 deltaheadersize = struct.calcsize(deltaheader) |
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118 version = '01' |
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119 _grouplistcount = 1 # One list of files after the manifests |
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120 |
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121 def __init__(self, fh, alg, extras=None): |
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122 if alg is None: |
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123 alg = 'UN' |
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124 if alg not in util.compengines.supportedbundletypes: |
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125 raise error.Abort(_('unknown stream compression type: %s') |
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126 % alg) |
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127 if alg == 'BZ': |
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128 alg = '_truncatedBZ' |
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129 |
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130 compengine = util.compengines.forbundletype(alg) |
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131 self._stream = compengine.decompressorreader(fh) |
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132 self._type = alg |
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133 self.extras = extras or {} |
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134 self.callback = None |
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135 |
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136 # These methods (compressed, read, seek, tell) all appear to only |
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137 # be used by bundlerepo, but it's a little hard to tell. |
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138 def compressed(self): |
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139 return self._type is not None and self._type != 'UN' |
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140 def read(self, l): |
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141 return self._stream.read(l) |
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142 def seek(self, pos): |
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143 return self._stream.seek(pos) |
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144 def tell(self): |
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145 return self._stream.tell() |
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146 def close(self): |
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147 return self._stream.close() |
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148 |
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149 def _chunklength(self): |
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150 d = readexactly(self._stream, 4) |
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151 l = struct.unpack(">l", d)[0] |
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152 if l <= 4: |
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153 if l: |
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154 raise error.Abort(_("invalid chunk length %d") % l) |
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155 return 0 |
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156 if self.callback: |
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157 self.callback() |
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158 return l - 4 |
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159 |
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160 def changelogheader(self): |
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161 """v10 does not have a changelog header chunk""" |
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162 return {} |
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163 |
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164 def manifestheader(self): |
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165 """v10 does not have a manifest header chunk""" |
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166 return {} |
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167 |
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168 def filelogheader(self): |
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169 """return the header of the filelogs chunk, v10 only has the filename""" |
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170 l = self._chunklength() |
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171 if not l: |
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172 return {} |
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173 fname = readexactly(self._stream, l) |
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174 return {'filename': fname} |
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175 |
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176 def _deltaheader(self, headertuple, prevnode): |
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177 node, p1, p2, cs = headertuple |
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178 if prevnode is None: |
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179 deltabase = p1 |
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180 else: |
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181 deltabase = prevnode |
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182 flags = 0 |
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183 return node, p1, p2, deltabase, cs, flags |
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184 |
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185 def deltachunk(self, prevnode): |
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186 l = self._chunklength() |
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187 if not l: |
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188 return {} |
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189 headerdata = readexactly(self._stream, self.deltaheadersize) |
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190 header = struct.unpack(self.deltaheader, headerdata) |
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191 delta = readexactly(self._stream, l - self.deltaheadersize) |
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192 node, p1, p2, deltabase, cs, flags = self._deltaheader(header, prevnode) |
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193 return (node, p1, p2, cs, deltabase, delta, flags) |
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194 |
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195 def getchunks(self): |
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196 """returns all the chunks contains in the bundle |
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197 |
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198 Used when you need to forward the binary stream to a file or another |
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199 network API. To do so, it parse the changegroup data, otherwise it will |
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200 block in case of sshrepo because it don't know the end of the stream. |
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201 """ |
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202 # For changegroup 1 and 2, we expect 3 parts: changelog, manifestlog, |
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203 # and a list of filelogs. For changegroup 3, we expect 4 parts: |
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204 # changelog, manifestlog, a list of tree manifestlogs, and a list of |
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205 # filelogs. |
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206 # |
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207 # Changelog and manifestlog parts are terminated with empty chunks. The |
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208 # tree and file parts are a list of entry sections. Each entry section |
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209 # is a series of chunks terminating in an empty chunk. The list of these |
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210 # entry sections is terminated in yet another empty chunk, so we know |
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211 # we've reached the end of the tree/file list when we reach an empty |
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212 # chunk that was proceeded by no non-empty chunks. |
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213 |
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214 parts = 0 |
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215 while parts < 2 + self._grouplistcount: |
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216 noentries = True |
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217 while True: |
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218 chunk = getchunk(self) |
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219 if not chunk: |
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220 # The first two empty chunks represent the end of the |
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221 # changelog and the manifestlog portions. The remaining |
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222 # empty chunks represent either A) the end of individual |
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223 # tree or file entries in the file list, or B) the end of |
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224 # the entire list. It's the end of the entire list if there |
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225 # were no entries (i.e. noentries is True). |
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226 if parts < 2: |
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227 parts += 1 |
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228 elif noentries: |
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229 parts += 1 |
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230 break |
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231 noentries = False |
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232 yield chunkheader(len(chunk)) |
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233 pos = 0 |
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234 while pos < len(chunk): |
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235 next = pos + 2**20 |
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236 yield chunk[pos:next] |
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237 pos = next |
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238 yield closechunk() |
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239 |
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240 def _unpackmanifests(self, repo, revmap, trp, prog): |
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241 self.callback = prog.increment |
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242 # no need to check for empty manifest group here: |
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243 # if the result of the merge of 1 and 2 is the same in 3 and 4, |
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244 # no new manifest will be created and the manifest group will |
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245 # be empty during the pull |
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246 self.manifestheader() |
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247 deltas = self.deltaiter() |
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248 repo.manifestlog.addgroup(deltas, revmap, trp) |
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249 prog.complete() |
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250 self.callback = None |
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251 |
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252 def apply(self, repo, tr, srctype, url, targetphase=phases.draft, |
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253 expectedtotal=None): |
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254 """Add the changegroup returned by source.read() to this repo. |
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255 srctype is a string like 'push', 'pull', or 'unbundle'. url is |
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256 the URL of the repo where this changegroup is coming from. |
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257 |
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258 Return an integer summarizing the change to this repo: |
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259 - nothing changed or no source: 0 |
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260 - more heads than before: 1+added heads (2..n) |
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261 - fewer heads than before: -1-removed heads (-2..-n) |
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262 - number of heads stays the same: 1 |
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263 """ |
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264 repo = repo.unfiltered() |
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265 def csmap(x): |
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266 repo.ui.debug("add changeset %s\n" % short(x)) |
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267 return len(cl) |
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268 |
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269 def revmap(x): |
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270 return cl.rev(x) |
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271 |
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272 changesets = files = revisions = 0 |
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273 |
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274 try: |
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275 # The transaction may already carry source information. In this |
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276 # case we use the top level data. We overwrite the argument |
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277 # because we need to use the top level value (if they exist) |
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278 # in this function. |
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279 srctype = tr.hookargs.setdefault('source', srctype) |
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280 url = tr.hookargs.setdefault('url', url) |
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281 repo.hook('prechangegroup', |
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282 throw=True, **pycompat.strkwargs(tr.hookargs)) |
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283 |
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284 # write changelog data to temp files so concurrent readers |
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285 # will not see an inconsistent view |
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286 cl = repo.changelog |
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287 cl.delayupdate(tr) |
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288 oldheads = set(cl.heads()) |
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289 |
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290 trp = weakref.proxy(tr) |
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291 # pull off the changeset group |
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292 repo.ui.status(_("adding changesets\n")) |
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293 clstart = len(cl) |
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294 progress = repo.ui.makeprogress(_('changesets'), unit=_('chunks'), |
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295 total=expectedtotal) |
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296 self.callback = progress.increment |
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297 |
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298 efiles = set() |
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299 def onchangelog(cl, node): |
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300 efiles.update(cl.readfiles(node)) |
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301 |
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302 self.changelogheader() |
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303 deltas = self.deltaiter() |
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304 cgnodes = cl.addgroup(deltas, csmap, trp, addrevisioncb=onchangelog) |
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305 efiles = len(efiles) |
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306 |
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307 if not cgnodes: |
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308 repo.ui.develwarn('applied empty changegroup', |
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309 config='warn-empty-changegroup') |
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310 clend = len(cl) |
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311 changesets = clend - clstart |
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312 progress.complete() |
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313 self.callback = None |
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314 |
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315 # pull off the manifest group |
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316 repo.ui.status(_("adding manifests\n")) |
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317 # We know that we'll never have more manifests than we had |
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318 # changesets. |
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319 progress = repo.ui.makeprogress(_('manifests'), unit=_('chunks'), |
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320 total=changesets) |
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321 self._unpackmanifests(repo, revmap, trp, progress) |
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322 |
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323 needfiles = {} |
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324 if repo.ui.configbool('server', 'validate'): |
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325 cl = repo.changelog |
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326 ml = repo.manifestlog |
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327 # validate incoming csets have their manifests |
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328 for cset in xrange(clstart, clend): |
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329 mfnode = cl.changelogrevision(cset).manifest |
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330 mfest = ml[mfnode].readdelta() |
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331 # store file cgnodes we must see |
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332 for f, n in mfest.iteritems(): |
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333 needfiles.setdefault(f, set()).add(n) |
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334 |
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335 # process the files |
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336 repo.ui.status(_("adding file changes\n")) |
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337 newrevs, newfiles = _addchangegroupfiles( |
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338 repo, self, revmap, trp, efiles, needfiles) |
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339 revisions += newrevs |
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340 files += newfiles |
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341 |
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342 deltaheads = 0 |
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343 if oldheads: |
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344 heads = cl.heads() |
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345 deltaheads = len(heads) - len(oldheads) |
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346 for h in heads: |
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347 if h not in oldheads and repo[h].closesbranch(): |
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348 deltaheads -= 1 |
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349 htext = "" |
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350 if deltaheads: |
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351 htext = _(" (%+d heads)") % deltaheads |
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352 |
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353 repo.ui.status(_("added %d changesets" |
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354 " with %d changes to %d files%s\n") |
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355 % (changesets, revisions, files, htext)) |
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356 repo.invalidatevolatilesets() |
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357 |
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358 if changesets > 0: |
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359 if 'node' not in tr.hookargs: |
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360 tr.hookargs['node'] = hex(cl.node(clstart)) |
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361 tr.hookargs['node_last'] = hex(cl.node(clend - 1)) |
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362 hookargs = dict(tr.hookargs) |
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363 else: |
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364 hookargs = dict(tr.hookargs) |
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365 hookargs['node'] = hex(cl.node(clstart)) |
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366 hookargs['node_last'] = hex(cl.node(clend - 1)) |
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367 repo.hook('pretxnchangegroup', |
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368 throw=True, **pycompat.strkwargs(hookargs)) |
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369 |
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370 added = [cl.node(r) for r in xrange(clstart, clend)] |
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371 phaseall = None |
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372 if srctype in ('push', 'serve'): |
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373 # Old servers can not push the boundary themselves. |
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374 # New servers won't push the boundary if changeset already |
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375 # exists locally as secret |
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376 # |
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377 # We should not use added here but the list of all change in |
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378 # the bundle |
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379 if repo.publishing(): |
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380 targetphase = phaseall = phases.public |
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381 else: |
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382 # closer target phase computation |
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383 |
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384 # Those changesets have been pushed from the |
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385 # outside, their phases are going to be pushed |
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386 # alongside. Therefor `targetphase` is |
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387 # ignored. |
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388 targetphase = phaseall = phases.draft |
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389 if added: |
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390 phases.registernew(repo, tr, targetphase, added) |
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391 if phaseall is not None: |
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392 phases.advanceboundary(repo, tr, phaseall, cgnodes) |
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393 |
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394 if changesets > 0: |
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395 |
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396 def runhooks(): |
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397 # These hooks run when the lock releases, not when the |
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398 # transaction closes. So it's possible for the changelog |
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399 # to have changed since we last saw it. |
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400 if clstart >= len(repo): |
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401 return |
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402 |
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403 repo.hook("changegroup", **pycompat.strkwargs(hookargs)) |
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404 |
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405 for n in added: |
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406 args = hookargs.copy() |
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407 args['node'] = hex(n) |
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408 del args['node_last'] |
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409 repo.hook("incoming", **pycompat.strkwargs(args)) |
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410 |
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411 newheads = [h for h in repo.heads() |
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412 if h not in oldheads] |
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413 repo.ui.log("incoming", |
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414 "%d incoming changes - new heads: %s\n", |
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415 len(added), |
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416 ', '.join([hex(c[:6]) for c in newheads])) |
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417 |
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418 tr.addpostclose('changegroup-runhooks-%020i' % clstart, |
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419 lambda tr: repo._afterlock(runhooks)) |
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420 finally: |
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421 repo.ui.flush() |
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422 # never return 0 here: |
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423 if deltaheads < 0: |
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424 ret = deltaheads - 1 |
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425 else: |
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426 ret = deltaheads + 1 |
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427 return ret |
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428 |
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|
429 def deltaiter(self): |
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430 """ |
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431 returns an iterator of the deltas in this changegroup |
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432 |
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433 Useful for passing to the underlying storage system to be stored. |
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434 """ |
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435 chain = None |
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436 for chunkdata in iter(lambda: self.deltachunk(chain), {}): |
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437 # Chunkdata: (node, p1, p2, cs, deltabase, delta, flags) |
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438 yield chunkdata |
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439 chain = chunkdata[0] |
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|
440 |
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441 class cg2unpacker(cg1unpacker): |
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442 """Unpacker for cg2 streams. |
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443 |
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444 cg2 streams add support for generaldelta, so the delta header |
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445 format is slightly different. All other features about the data |
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446 remain the same. |
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447 """ |
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448 deltaheader = _CHANGEGROUPV2_DELTA_HEADER |
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449 deltaheadersize = struct.calcsize(deltaheader) |
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changegroup.writebundle: HG2Y support
Eric Sumner <ericsumner@fb.com>
parents:
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diff
changeset
|
450 version = '02' |
23181
832b7ef275c8
changegroup: introduce cg2packer/unpacker
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parents:
23178
diff
changeset
|
451 |
832b7ef275c8
changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents:
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diff
changeset
|
452 def _deltaheader(self, headertuple, prevnode): |
832b7ef275c8
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parents:
23178
diff
changeset
|
453 node, p1, p2, deltabase, cs = headertuple |
27433
12f727a5b434
changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents:
27432
diff
changeset
|
454 flags = 0 |
12f727a5b434
changegroup: add flags field to cg3 delta header
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parents:
27432
diff
changeset
|
455 return node, p1, p2, deltabase, cs, flags |
23181
832b7ef275c8
changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents:
23178
diff
changeset
|
456 |
27432
77d25b913f80
changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents:
27241
diff
changeset
|
457 class cg3unpacker(cg2unpacker): |
77d25b913f80
changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents:
27241
diff
changeset
|
458 """Unpacker for cg3 streams. |
77d25b913f80
changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents:
27241
diff
changeset
|
459 |
27433
12f727a5b434
changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents:
27432
diff
changeset
|
460 cg3 streams add support for exchanging treemanifests and revlog |
27753
d4071cc73f46
changegroup3: add empty chunk separating directories and files
Martin von Zweigbergk <martinvonz@google.com>
parents:
27752
diff
changeset
|
461 flags. It adds the revlog flags to the delta header and an empty chunk |
d4071cc73f46
changegroup3: add empty chunk separating directories and files
Martin von Zweigbergk <martinvonz@google.com>
parents:
27752
diff
changeset
|
462 separating manifests and files. |
27432
77d25b913f80
changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents:
27241
diff
changeset
|
463 """ |
27433
12f727a5b434
changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents:
27432
diff
changeset
|
464 deltaheader = _CHANGEGROUPV3_DELTA_HEADER |
12f727a5b434
changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents:
27432
diff
changeset
|
465 deltaheadersize = struct.calcsize(deltaheader) |
27432
77d25b913f80
changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents:
27241
diff
changeset
|
466 version = '03' |
27920
da5f23362517
changegroup: cg3 has two empty groups *after* manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27867
diff
changeset
|
467 _grouplistcount = 2 # One list of manifests and one list of files |
27432
77d25b913f80
changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents:
27241
diff
changeset
|
468 |
27433
12f727a5b434
changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents:
27432
diff
changeset
|
469 def _deltaheader(self, headertuple, prevnode): |
12f727a5b434
changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents:
27432
diff
changeset
|
470 node, p1, p2, deltabase, cs, flags = headertuple |
12f727a5b434
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Mike Edgar <adgar@google.com>
parents:
27432
diff
changeset
|
471 return node, p1, p2, deltabase, cs, flags |
12f727a5b434
changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents:
27432
diff
changeset
|
472 |
38346
83534c4ec58b
changegroup: use progress helper in apply() (API)
Martin von Zweigbergk <martinvonz@google.com>
parents:
38164
diff
changeset
|
473 def _unpackmanifests(self, repo, revmap, trp, prog): |
83534c4ec58b
changegroup: use progress helper in apply() (API)
Martin von Zweigbergk <martinvonz@google.com>
parents:
38164
diff
changeset
|
474 super(cg3unpacker, self)._unpackmanifests(repo, revmap, trp, prog) |
29724
4e7be6e33269
changegroup: use `iter(callable, sentinel)` instead of while True
Augie Fackler <augie@google.com>
parents:
29690
diff
changeset
|
475 for chunkdata in iter(self.filelogheader, {}): |
27754
a09f143daaf4
changegroup3: move treemanifest support into _unpackmanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27753
diff
changeset
|
476 # If we get here, there are directory manifests in the changegroup |
a09f143daaf4
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parents:
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diff
changeset
|
477 d = chunkdata["filename"] |
a09f143daaf4
changegroup3: move treemanifest support into _unpackmanifests()
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parents:
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diff
changeset
|
478 repo.ui.debug("adding %s revisions\n" % d) |
30339
6cdfb7e15a35
changegroup: remove remaining uses of repo.manifest
Durham Goode <durham@fb.com>
parents:
30294
diff
changeset
|
479 dirlog = repo.manifestlog._revlog.dirlog(d) |
34291
1db9abf407c5
revlog: add revmap back to revlog.addgroup
Durham Goode <durham@fb.com>
parents:
34257
diff
changeset
|
480 deltas = self.deltaiter() |
1db9abf407c5
revlog: add revmap back to revlog.addgroup
Durham Goode <durham@fb.com>
parents:
34257
diff
changeset
|
481 if not dirlog.addgroup(deltas, revmap, trp): |
27754
a09f143daaf4
changegroup3: move treemanifest support into _unpackmanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
482 raise error.Abort(_("received dir revlog group is empty")) |
a09f143daaf4
changegroup3: move treemanifest support into _unpackmanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27753
diff
changeset
|
483 |
12329
7458de933f26
bundle: push chunkbuffer down into decompress
Matt Mackall <mpm@selenic.com>
parents:
12044
diff
changeset
|
484 class headerlessfixup(object): |
7458de933f26
bundle: push chunkbuffer down into decompress
Matt Mackall <mpm@selenic.com>
parents:
12044
diff
changeset
|
485 def __init__(self, fh, h): |
7458de933f26
bundle: push chunkbuffer down into decompress
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parents:
12044
diff
changeset
|
486 self._h = h |
7458de933f26
bundle: push chunkbuffer down into decompress
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parents:
12044
diff
changeset
|
487 self._fh = fh |
7458de933f26
bundle: push chunkbuffer down into decompress
Matt Mackall <mpm@selenic.com>
parents:
12044
diff
changeset
|
488 def read(self, n): |
7458de933f26
bundle: push chunkbuffer down into decompress
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parents:
12044
diff
changeset
|
489 if self._h: |
7458de933f26
bundle: push chunkbuffer down into decompress
Matt Mackall <mpm@selenic.com>
parents:
12044
diff
changeset
|
490 d, self._h = self._h[:n], self._h[n:] |
7458de933f26
bundle: push chunkbuffer down into decompress
Matt Mackall <mpm@selenic.com>
parents:
12044
diff
changeset
|
491 if len(d) < n: |
13457
e74fe15dc7fd
changegroup: verify all stream reads
Mads Kiilerich <mads@kiilerich.com>
parents:
13456
diff
changeset
|
492 d += readexactly(self._fh, n - len(d)) |
12329
7458de933f26
bundle: push chunkbuffer down into decompress
Matt Mackall <mpm@selenic.com>
parents:
12044
diff
changeset
|
493 return d |
13457
e74fe15dc7fd
changegroup: verify all stream reads
Mads Kiilerich <mads@kiilerich.com>
parents:
13456
diff
changeset
|
494 return readexactly(self._fh, n) |
12329
7458de933f26
bundle: push chunkbuffer down into decompress
Matt Mackall <mpm@selenic.com>
parents:
12044
diff
changeset
|
495 |
22390
e2806b8613ca
changegroup: rename bundle-related functions and classes
Sune Foldager <cryo@cyanite.org>
parents:
22070
diff
changeset
|
496 class cg1packer(object): |
e2806b8613ca
changegroup: rename bundle-related functions and classes
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parents:
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diff
changeset
|
497 deltaheader = _CHANGEGROUPV1_DELTA_HEADER |
23896
becfecaf9087
changegroup.writebundle: HG2Y support
Eric Sumner <ericsumner@fb.com>
parents:
23895
diff
changeset
|
498 version = '01' |
32287
df3cf9422e1b
changegroup: add bundlecaps back
Durham Goode <durham@fb.com>
parents:
32268
diff
changeset
|
499 def __init__(self, repo, bundlecaps=None): |
19202
0455fc94ae00
bundle-ng: move gengroup into bundler, pass repo object to bundler
Sune Foldager <cryo@cyanite.org>
parents:
19201
diff
changeset
|
500 """Given a source repo, construct a bundler. |
32287
df3cf9422e1b
changegroup: add bundlecaps back
Durham Goode <durham@fb.com>
parents:
32268
diff
changeset
|
501 |
df3cf9422e1b
changegroup: add bundlecaps back
Durham Goode <durham@fb.com>
parents:
32268
diff
changeset
|
502 bundlecaps is optional and can be used to specify the set of |
df3cf9422e1b
changegroup: add bundlecaps back
Durham Goode <durham@fb.com>
parents:
32268
diff
changeset
|
503 capabilities which can be used to build the bundle. While bundlecaps is |
df3cf9422e1b
changegroup: add bundlecaps back
Durham Goode <durham@fb.com>
parents:
32268
diff
changeset
|
504 unused in core Mercurial, extensions rely on this feature to communicate |
df3cf9422e1b
changegroup: add bundlecaps back
Durham Goode <durham@fb.com>
parents:
32268
diff
changeset
|
505 capabilities to customize the changegroup packer. |
19202
0455fc94ae00
bundle-ng: move gengroup into bundler, pass repo object to bundler
Sune Foldager <cryo@cyanite.org>
parents:
19201
diff
changeset
|
506 """ |
32287
df3cf9422e1b
changegroup: add bundlecaps back
Durham Goode <durham@fb.com>
parents:
32268
diff
changeset
|
507 # Set of capabilities we can use to build the bundle. |
df3cf9422e1b
changegroup: add bundlecaps back
Durham Goode <durham@fb.com>
parents:
32268
diff
changeset
|
508 if bundlecaps is None: |
df3cf9422e1b
changegroup: add bundlecaps back
Durham Goode <durham@fb.com>
parents:
32268
diff
changeset
|
509 bundlecaps = set() |
df3cf9422e1b
changegroup: add bundlecaps back
Durham Goode <durham@fb.com>
parents:
32268
diff
changeset
|
510 self._bundlecaps = bundlecaps |
25831
578fc97904da
generaldelta: mark experimental reordering option
Matt Mackall <mpm@selenic.com>
parents:
25823
diff
changeset
|
511 # experimental config: bundle.reorder |
33183
9f95f0bb343b
configitems: register the 'bundle.reorder' config
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33036
diff
changeset
|
512 reorder = repo.ui.config('bundle', 'reorder') |
19202
0455fc94ae00
bundle-ng: move gengroup into bundler, pass repo object to bundler
Sune Foldager <cryo@cyanite.org>
parents:
19201
diff
changeset
|
513 if reorder == 'auto': |
0455fc94ae00
bundle-ng: move gengroup into bundler, pass repo object to bundler
Sune Foldager <cryo@cyanite.org>
parents:
19201
diff
changeset
|
514 reorder = None |
0455fc94ae00
bundle-ng: move gengroup into bundler, pass repo object to bundler
Sune Foldager <cryo@cyanite.org>
parents:
19201
diff
changeset
|
515 else: |
37084
f0b6fbea00cf
stringutil: bulk-replace call sites to point to new module
Yuya Nishihara <yuya@tcha.org>
parents:
36835
diff
changeset
|
516 reorder = stringutil.parsebool(reorder) |
19202
0455fc94ae00
bundle-ng: move gengroup into bundler, pass repo object to bundler
Sune Foldager <cryo@cyanite.org>
parents:
19201
diff
changeset
|
517 self._repo = repo |
0455fc94ae00
bundle-ng: move gengroup into bundler, pass repo object to bundler
Sune Foldager <cryo@cyanite.org>
parents:
19201
diff
changeset
|
518 self._reorder = reorder |
23748
4ab66de46a96
bundle: when verbose, show what takes up the space in the generated bundle
Mads Kiilerich <madski@unity3d.com>
parents:
23382
diff
changeset
|
519 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
Mads Kiilerich <madski@unity3d.com>
parents:
23382
diff
changeset
|
520 self._verbosenote = self._repo.ui.note |
4ab66de46a96
bundle: when verbose, show what takes up the space in the generated bundle
Mads Kiilerich <madski@unity3d.com>
parents:
23382
diff
changeset
|
521 else: |
4ab66de46a96
bundle: when verbose, show what takes up the space in the generated bundle
Mads Kiilerich <madski@unity3d.com>
parents:
23382
diff
changeset
|
522 self._verbosenote = lambda s: None |
4ab66de46a96
bundle: when verbose, show what takes up the space in the generated bundle
Mads Kiilerich <madski@unity3d.com>
parents:
23382
diff
changeset
|
523 |
13831
d69c9510d648
changegroup: introduce bundler objects
Matt Mackall <mpm@selenic.com>
parents:
13786
diff
changeset
|
524 def close(self): |
d69c9510d648
changegroup: introduce bundler objects
Matt Mackall <mpm@selenic.com>
parents:
13786
diff
changeset
|
525 return closechunk() |
19200
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
526 |
13831
d69c9510d648
changegroup: introduce bundler objects
Matt Mackall <mpm@selenic.com>
parents:
13786
diff
changeset
|
527 def fileheader(self, fname): |
d69c9510d648
changegroup: introduce bundler objects
Matt Mackall <mpm@selenic.com>
parents:
13786
diff
changeset
|
528 return chunkheader(len(fname)) + fname |
19200
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
529 |
29236
1b7d907ec18a
changegroup: extract method that sorts nodes to send
Augie Fackler <augie@google.com>
parents:
28666
diff
changeset
|
530 # Extracted both for clarity and for overriding in extensions. |
1b7d907ec18a
changegroup: extract method that sorts nodes to send
Augie Fackler <augie@google.com>
parents:
28666
diff
changeset
|
531 def _sortgroup(self, revlog, nodelist, lookup): |
1b7d907ec18a
changegroup: extract method that sorts nodes to send
Augie Fackler <augie@google.com>
parents:
28666
diff
changeset
|
532 """Sort nodes for change group and turn them into revnums.""" |
1b7d907ec18a
changegroup: extract method that sorts nodes to send
Augie Fackler <augie@google.com>
parents:
28666
diff
changeset
|
533 # for generaldelta revlogs, we linearize the revs; this will both be |
1b7d907ec18a
changegroup: extract method that sorts nodes to send
Augie Fackler <augie@google.com>
parents:
28666
diff
changeset
|
534 # much quicker and generate a much smaller bundle |
1b7d907ec18a
changegroup: extract method that sorts nodes to send
Augie Fackler <augie@google.com>
parents:
28666
diff
changeset
|
535 if (revlog._generaldelta and self._reorder is None) or self._reorder: |
1b7d907ec18a
changegroup: extract method that sorts nodes to send
Augie Fackler <augie@google.com>
parents:
28666
diff
changeset
|
536 dag = dagutil.revlogdag(revlog) |
1b7d907ec18a
changegroup: extract method that sorts nodes to send
Augie Fackler <augie@google.com>
parents:
28666
diff
changeset
|
537 return dag.linearize(set(revlog.rev(n) for n in nodelist)) |
1b7d907ec18a
changegroup: extract method that sorts nodes to send
Augie Fackler <augie@google.com>
parents:
28666
diff
changeset
|
538 else: |
1b7d907ec18a
changegroup: extract method that sorts nodes to send
Augie Fackler <augie@google.com>
parents:
28666
diff
changeset
|
539 return sorted([revlog.rev(n) for n in nodelist]) |
1b7d907ec18a
changegroup: extract method that sorts nodes to send
Augie Fackler <augie@google.com>
parents:
28666
diff
changeset
|
540 |
24912
e285b98c65cc
changegroup.group: drop 'reorder' parameter
Martin von Zweigbergk <martinvonz@google.com>
parents:
24911
diff
changeset
|
541 def group(self, nodelist, revlog, lookup, units=None): |
19200
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
542 """Calculate a delta group, yielding a sequence of changegroup chunks |
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
543 (strings). |
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
544 |
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
545 Given a list of changeset revs, return a set of deltas and |
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
546 metadata corresponding to nodes. The first delta is |
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
547 first parent(nodelist[0]) -> nodelist[0], the receiver is |
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
548 guaranteed to have this parent as it has all history before |
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
549 these changesets. In the case firstparent is nullrev the |
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
550 changegroup starts with a full revision. |
19208
0b564cf359a7
bundle-ng: move progress handling out of the linkrev callback
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19207
diff
changeset
|
551 |
0b564cf359a7
bundle-ng: move progress handling out of the linkrev callback
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19207
diff
changeset
|
552 If units is not None, progress detail will be generated, units specifies |
0b564cf359a7
bundle-ng: move progress handling out of the linkrev callback
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19207
diff
changeset
|
553 the type of revlog that is touched (changelog, manifest, etc.). |
19200
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
554 """ |
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
555 # if we don't have any revisions touched by these changesets, bail |
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
556 if len(nodelist) == 0: |
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
557 yield self.close() |
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
558 return |
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
559 |
29236
1b7d907ec18a
changegroup: extract method that sorts nodes to send
Augie Fackler <augie@google.com>
parents:
28666
diff
changeset
|
560 revs = self._sortgroup(revlog, nodelist, lookup) |
19200
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
561 |
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
562 # add the parent of the first rev |
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
563 p = revlog.parentrevs(revs[0])[0] |
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
564 revs.insert(0, p) |
4cfdec944edf
bundle-ng: move group into the bundler
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parents:
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diff
changeset
|
565 |
4cfdec944edf
bundle-ng: move group into the bundler
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parents:
19199
diff
changeset
|
566 # build deltas |
38410
1c5c4a5dd86d
changegroup: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
567 progress = None |
1c5c4a5dd86d
changegroup: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
568 if units is not None: |
1c5c4a5dd86d
changegroup: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
569 progress = self._repo.ui.makeprogress(_('bundling'), unit=units, |
1c5c4a5dd86d
changegroup: use progress helper
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parents:
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diff
changeset
|
570 total=(len(revs) - 1)) |
19200
4cfdec944edf
bundle-ng: move group into the bundler
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parents:
19199
diff
changeset
|
571 for r in xrange(len(revs) - 1): |
38410
1c5c4a5dd86d
changegroup: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
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diff
changeset
|
572 if progress: |
1c5c4a5dd86d
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Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
573 progress.update(r + 1) |
19200
4cfdec944edf
bundle-ng: move group into the bundler
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19199
diff
changeset
|
574 prev, curr = revs[r], revs[r + 1] |
19207
a67e1380dfbd
bundle-ng: simplify lookup and state handling
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diff
changeset
|
575 linknode = lookup(revlog.node(curr)) |
a67e1380dfbd
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changeset
|
576 for c in self.revchunk(revlog, curr, prev, linknode): |
19200
4cfdec944edf
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changeset
|
577 yield c |
4cfdec944edf
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diff
changeset
|
578 |
38410
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diff
changeset
|
579 if progress: |
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parents:
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diff
changeset
|
580 progress.complete() |
19200
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changeset
|
581 yield self.close() |
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parents:
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diff
changeset
|
582 |
19289
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bundle: refactor changegroup prune to be its own function
Durham Goode <durham@fb.com>
parents:
19208
diff
changeset
|
583 # filter any nodes that claim to be part of the known set |
24896
9183cb6886ef
changegroup: removed unused 'source' parameter from prune()
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diff
changeset
|
584 def prune(self, revlog, missing, commonrevs): |
19289
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bundle: refactor changegroup prune to be its own function
Durham Goode <durham@fb.com>
parents:
19208
diff
changeset
|
585 rr, rl = revlog.rev, revlog.linkrev |
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Durham Goode <durham@fb.com>
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diff
changeset
|
586 return [n for n in missing if rl(rr(n)) not in commonrevs] |
6ea1f858efd9
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diff
changeset
|
587 |
28228
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diff
changeset
|
588 def _packmanifests(self, dir, mfnodes, lookuplinknode): |
26711
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changeset
|
589 """Pack flat manifests into a changegroup stream.""" |
28228
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changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
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diff
changeset
|
590 assert not dir |
30339
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changegroup: remove remaining uses of repo.manifest
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|
591 for chunk in self.group(mfnodes, self._repo.manifestlog._revlog, |
28228
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parents:
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diff
changeset
|
592 lookuplinknode, units=_('manifests')): |
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changeset
|
593 yield chunk |
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changegroup: make _packmanifests() dumber
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diff
changeset
|
594 |
abf120262683
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diff
changeset
|
595 def _manifestsdone(self): |
abf120262683
changegroup: make _packmanifests() dumber
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changeset
|
596 return '' |
26711
0ef0aec56090
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parents:
26710
diff
changeset
|
597 |
19204
e9c5b1c246dc
bundle-ng: move bundle generation to changegroup.py
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19202
diff
changeset
|
598 def generate(self, commonrevs, clnodes, fastpathlinkrev, source): |
19202
0455fc94ae00
bundle-ng: move gengroup into bundler, pass repo object to bundler
Sune Foldager <cryo@cyanite.org>
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|
599 '''yield a sequence of changegroup chunks (strings)''' |
0455fc94ae00
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diff
changeset
|
600 repo = self._repo |
24978
f52560c64953
changegroup: drop _changelog and _manifest properties
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parents:
24977
diff
changeset
|
601 cl = repo.changelog |
19204
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diff
changeset
|
602 |
23381
cc0ff93d0c0c
changegroup: fix file linkrevs during reorders (issue4462)
Durham Goode <durham@fb.com>
parents:
23226
diff
changeset
|
603 clrevorder = {} |
19204
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diff
changeset
|
604 mfs = {} # needed manifests |
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parents:
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diff
changeset
|
605 fnodes = {} # needed file nodes |
28241
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diff
changeset
|
606 changedfiles = set() |
19204
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diff
changeset
|
607 |
19207
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bundle-ng: simplify lookup and state handling
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diff
changeset
|
608 # Callback for the changelog, used to collect changed files and manifest |
a67e1380dfbd
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|
609 # nodes. |
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19206
diff
changeset
|
610 # Returns the linkrev node (identity in the changelog case). |
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diff
changeset
|
611 def lookupcl(x): |
a67e1380dfbd
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diff
changeset
|
612 c = cl.read(x) |
23381
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changegroup: fix file linkrevs during reorders (issue4462)
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parents:
23226
diff
changeset
|
613 clrevorder[x] = len(clrevorder) |
27237
c08814b48ae5
changegroup: avoid iterating the whole manifest
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parents:
27219
diff
changeset
|
614 n = c[0] |
19207
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bundle-ng: simplify lookup and state handling
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diff
changeset
|
615 # record the first changeset introducing this manifest version |
27237
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parents:
27219
diff
changeset
|
616 mfs.setdefault(n, x) |
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parents:
27219
diff
changeset
|
617 # Record a complete list of potentially-changed files in |
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parents:
27219
diff
changeset
|
618 # this manifest. |
28241
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changegroup: drop special-casing of flat manifests
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parents:
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diff
changeset
|
619 changedfiles.update(c[3]) |
19207
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bundle-ng: simplify lookup and state handling
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parents:
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diff
changeset
|
620 return x |
19204
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diff
changeset
|
621 |
23748
4ab66de46a96
bundle: when verbose, show what takes up the space in the generated bundle
Mads Kiilerich <madski@unity3d.com>
parents:
23382
diff
changeset
|
622 self._verbosenote(_('uncompressed size of bundle content:\n')) |
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
|
623 size = 0 |
24912
e285b98c65cc
changegroup.group: drop 'reorder' parameter
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parents:
24911
diff
changeset
|
624 for chunk in self.group(clnodes, cl, lookupcl, units=_('changesets')): |
23748
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
|
625 size += len(chunk) |
23224
f4ab47ccefde
changegroup: don't define lookupmf() until it is needed
Gregory Szorc <gregory.szorc@gmail.com>
parents:
22971
diff
changeset
|
626 yield chunk |
23748
4ab66de46a96
bundle: when verbose, show what takes up the space in the generated bundle
Mads Kiilerich <madski@unity3d.com>
parents:
23382
diff
changeset
|
627 self._verbosenote(_('%8.i (changelog)\n') % size) |
23224
f4ab47ccefde
changegroup: don't define lookupmf() until it is needed
Gregory Szorc <gregory.szorc@gmail.com>
parents:
22971
diff
changeset
|
628 |
24977
4289383cb9d2
changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents:
24976
diff
changeset
|
629 # We need to make sure that the linkrev in the changegroup refers to |
4289383cb9d2
changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents:
24976
diff
changeset
|
630 # the first changeset that introduced the manifest or file revision. |
4289383cb9d2
changegroup: document the cases where reordering complicates linkrevs
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parents:
24976
diff
changeset
|
631 # The fastpath is usually safer than the slowpath, because the filelogs |
4289383cb9d2
changegroup: document the cases where reordering complicates linkrevs
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parents:
24976
diff
changeset
|
632 # are walked in revlog order. |
4289383cb9d2
changegroup: document the cases where reordering complicates linkrevs
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parents:
24976
diff
changeset
|
633 # |
4289383cb9d2
changegroup: document the cases where reordering complicates linkrevs
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24976
diff
changeset
|
634 # When taking the slowpath with reorder=None and the manifest revlog |
4289383cb9d2
changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents:
24976
diff
changeset
|
635 # uses generaldelta, the manifest may be walked in the "wrong" order. |
4289383cb9d2
changegroup: document the cases where reordering complicates linkrevs
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parents:
24976
diff
changeset
|
636 # Without 'clrevorder', we would get an incorrect linkrev (see fix in |
4289383cb9d2
changegroup: document the cases where reordering complicates linkrevs
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parents:
24976
diff
changeset
|
637 # cc0ff93d0c0c). |
4289383cb9d2
changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents:
24976
diff
changeset
|
638 # |
4289383cb9d2
changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents:
24976
diff
changeset
|
639 # When taking the fastpath, we are only vulnerable to reordering |
4289383cb9d2
changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents:
24976
diff
changeset
|
640 # of the changelog itself. The changelog never uses generaldelta, so |
4289383cb9d2
changegroup: document the cases where reordering complicates linkrevs
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parents:
24976
diff
changeset
|
641 # it is only reordered when reorder=True. To handle this case, we |
4289383cb9d2
changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents:
24976
diff
changeset
|
642 # simply take the slowpath, which already has the 'clrevorder' logic. |
4289383cb9d2
changegroup: document the cases where reordering complicates linkrevs
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parents:
24976
diff
changeset
|
643 # This was also fixed in cc0ff93d0c0c. |
24976
147d8892fc4b
changegroup: extract condition for linkrev fastpath
Martin von Zweigbergk <martinvonz@google.com>
parents:
24912
diff
changeset
|
644 fastpathlinkrev = fastpathlinkrev and not self._reorder |
27432
77d25b913f80
changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents:
27241
diff
changeset
|
645 # Treemanifests don't work correctly with fastpathlinkrev |
77d25b913f80
changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents:
27241
diff
changeset
|
646 # either, because we don't discover which directory nodes to |
77d25b913f80
changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents:
27241
diff
changeset
|
647 # send along with files. This could probably be fixed. |
77d25b913f80
changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents:
27241
diff
changeset
|
648 fastpathlinkrev = fastpathlinkrev and ( |
77d25b913f80
changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents:
27241
diff
changeset
|
649 'treemanifest' not in repo.requirements) |
28227
1c36cc8e7870
changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27953
diff
changeset
|
650 |
1c36cc8e7870
changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27953
diff
changeset
|
651 for chunk in self.generatemanifests(commonrevs, clrevorder, |
34149
75cc1f1e11f2
changegroup: add source parameter to generatemanifests
Durham Goode <durham@fb.com>
parents:
34148
diff
changeset
|
652 fastpathlinkrev, mfs, fnodes, source): |
28227
1c36cc8e7870
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parents:
27953
diff
changeset
|
653 yield chunk |
1c36cc8e7870
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parents:
27953
diff
changeset
|
654 mfs.clear() |
1c36cc8e7870
changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
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diff
changeset
|
655 clrevs = set(cl.rev(x) for x in clnodes) |
1c36cc8e7870
changegroup: extract generatemanifests()
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27953
diff
changeset
|
656 |
1c36cc8e7870
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diff
changeset
|
657 if not fastpathlinkrev: |
1c36cc8e7870
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diff
changeset
|
658 def linknodes(unused, fname): |
1c36cc8e7870
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parents:
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diff
changeset
|
659 return fnodes.get(fname, {}) |
1c36cc8e7870
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Martin von Zweigbergk <martinvonz@google.com>
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diff
changeset
|
660 else: |
1c36cc8e7870
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Martin von Zweigbergk <martinvonz@google.com>
parents:
27953
diff
changeset
|
661 cln = cl.node |
1c36cc8e7870
changegroup: extract generatemanifests()
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diff
changeset
|
662 def linknodes(filerevlog, fname): |
1c36cc8e7870
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parents:
27953
diff
changeset
|
663 llr = filerevlog.linkrev |
1c36cc8e7870
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parents:
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diff
changeset
|
664 fln = filerevlog.node |
1c36cc8e7870
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parents:
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diff
changeset
|
665 revs = ((r, llr(r)) for r in filerevlog) |
1c36cc8e7870
changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
666 return dict((fln(r), cln(lr)) for r, lr in revs if lr in clrevs) |
1c36cc8e7870
changegroup: extract generatemanifests()
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27953
diff
changeset
|
667 |
1c36cc8e7870
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parents:
27953
diff
changeset
|
668 for chunk in self.generatefiles(changedfiles, linknodes, commonrevs, |
1c36cc8e7870
changegroup: extract generatemanifests()
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parents:
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diff
changeset
|
669 source): |
1c36cc8e7870
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27953
diff
changeset
|
670 yield chunk |
1c36cc8e7870
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parents:
27953
diff
changeset
|
671 |
1c36cc8e7870
changegroup: extract generatemanifests()
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parents:
27953
diff
changeset
|
672 yield self.close() |
1c36cc8e7870
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parents:
27953
diff
changeset
|
673 |
1c36cc8e7870
changegroup: extract generatemanifests()
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parents:
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diff
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|
674 if clnodes: |
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675 repo.hook('outgoing', node=hex(clnodes[0]), source=source) |
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676 |
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677 def generatemanifests(self, commonrevs, clrevorder, fastpathlinkrev, mfs, |
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678 fnodes, source): |
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679 """Returns an iterator of changegroup chunks containing manifests. |
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680 |
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|
681 `source` is unused here, but is used by extensions like remotefilelog to |
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682 change what is sent based in pulls vs pushes, etc. |
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683 """ |
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684 repo = self._repo |
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685 mfl = repo.manifestlog |
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|
686 dirlog = mfl._revlog.dirlog |
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|
687 tmfnodes = {'': mfs} |
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|
688 |
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689 # Callback for the manifest, used to collect linkrevs for filelog |
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690 # revisions. |
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691 # Returns the linkrev node (collected in lookupcl). |
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|
692 def makelookupmflinknode(dir, nodes): |
28231
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|
693 if fastpathlinkrev: |
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|
694 assert not dir |
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|
695 return mfs.__getitem__ |
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|
696 |
27239
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|
697 def lookupmflinknode(x): |
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|
698 """Callback for looking up the linknode for manifests. |
27219
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|
699 |
27239
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|
700 Returns the linkrev node for the specified manifest. |
27219
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diff
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|
701 |
27239
65c47779bcb5
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|
702 SIDE EFFECT: |
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diff
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|
703 |
27432
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diff
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|
704 1) fclnodes gets populated with the list of relevant |
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diff
changeset
|
705 file nodes if we're not using fastpathlinkrev |
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diff
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|
706 2) When treemanifests are in use, collects treemanifest nodes |
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diff
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|
707 to send |
27219
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Augie Fackler <augie@google.com>
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diff
changeset
|
708 |
27432
77d25b913f80
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|
709 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>
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diff
changeset
|
710 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:
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diff
changeset
|
711 treemanifests to send. |
27239
65c47779bcb5
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Augie Fackler <augie@google.com>
parents:
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diff
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|
712 """ |
35012
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parents:
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diff
changeset
|
713 clnode = nodes[x] |
30294
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Durham Goode <durham@fb.com>
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|
714 mdata = mfl.get(dir, x).readfast(shallow=True) |
28241
a4286175ecba
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Martin von Zweigbergk <martinvonz@google.com>
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diff
changeset
|
715 for p, n, fl in mdata.iterentries(): |
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|
716 if fl == 't': # subdirectory manifest |
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diff
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|
717 subdir = dir + p + '/' |
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changegroup: drop special-casing of flat manifests
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diff
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|
718 tmfclnodes = tmfnodes.setdefault(subdir, {}) |
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changegroup: drop special-casing of flat manifests
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diff
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|
719 tmfclnode = tmfclnodes.setdefault(n, clnode) |
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parents:
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diff
changeset
|
720 if clrevorder[clnode] < clrevorder[tmfclnode]: |
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changegroup: drop special-casing of flat manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
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|
721 tmfclnodes[n] = clnode |
a4286175ecba
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parents:
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|
722 else: |
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diff
changeset
|
723 f = dir + p |
28240
1ac8ce137377
changegroup: fix treemanifests on merges
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parents:
28232
diff
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|
724 fclnodes = fnodes.setdefault(f, {}) |
1ac8ce137377
changegroup: fix treemanifests on merges
Martin von Zweigbergk <martinvonz@google.com>
parents:
28232
diff
changeset
|
725 fclnode = fclnodes.setdefault(n, clnode) |
1ac8ce137377
changegroup: fix treemanifests on merges
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
726 if clrevorder[clnode] < clrevorder[fclnode]: |
1ac8ce137377
changegroup: fix treemanifests on merges
Martin von Zweigbergk <martinvonz@google.com>
parents:
28232
diff
changeset
|
727 fclnodes[n] = clnode |
27239
65c47779bcb5
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Augie Fackler <augie@google.com>
parents:
27238
diff
changeset
|
728 return clnode |
28231
3faba927dd93
changegroup: introduce makelookupmflinknode(dir)
Martin von Zweigbergk <martinvonz@google.com>
parents:
28230
diff
changeset
|
729 return lookupmflinknode |
19206
6308896b1d4a
bundle-ng: simplify bundle10.generate
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parents:
19204
diff
changeset
|
730 |
28228
abf120262683
changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents:
28227
diff
changeset
|
731 size = 0 |
28232
829d369fc5a8
changegroup: write root manifests and subdir manifests in a single loop
Martin von Zweigbergk <martinvonz@google.com>
parents:
28231
diff
changeset
|
732 while tmfnodes: |
35012
d80380ba8e7d
changegroup: use any node, not min(), in treemanifest's generatemanifests
Kyle Lippincott <spectral@google.com>
parents:
34734
diff
changeset
|
733 dir, nodes = tmfnodes.popitem() |
28240
1ac8ce137377
changegroup: fix treemanifests on merges
Martin von Zweigbergk <martinvonz@google.com>
parents:
28232
diff
changeset
|
734 prunednodes = self.prune(dirlog(dir), nodes, commonrevs) |
29371
1b699c7eb2b7
changegroup: don't send empty subdirectory manifest groups
Martin von Zweigbergk <martinvonz@google.com>
parents:
29236
diff
changeset
|
735 if not dir or prunednodes: |
1b699c7eb2b7
changegroup: don't send empty subdirectory manifest groups
Martin von Zweigbergk <martinvonz@google.com>
parents:
29236
diff
changeset
|
736 for x in self._packmanifests(dir, prunednodes, |
35012
d80380ba8e7d
changegroup: use any node, not min(), in treemanifest's generatemanifests
Kyle Lippincott <spectral@google.com>
parents:
34734
diff
changeset
|
737 makelookupmflinknode(dir, nodes)): |
29371
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changegroup: don't send empty subdirectory manifest groups
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
738 size += len(x) |
1b699c7eb2b7
changegroup: don't send empty subdirectory manifest groups
Martin von Zweigbergk <martinvonz@google.com>
parents:
29236
diff
changeset
|
739 yield x |
28229
8e13b2379407
changegroup: include subdirectory manifests in verbose size
Martin von Zweigbergk <martinvonz@google.com>
parents:
28228
diff
changeset
|
740 self._verbosenote(_('%8.i (manifests)\n') % size) |
28228
abf120262683
changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents:
28227
diff
changeset
|
741 yield self._manifestsdone() |
19206
6308896b1d4a
bundle-ng: simplify bundle10.generate
Sune Foldager <cryo@cyanite.org>
parents:
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diff
changeset
|
742 |
24897
5c35a6040352
changegroup: document that 'source' parameter exists for extensions
Martin von Zweigbergk <martinvonz@google.com>
parents:
24896
diff
changeset
|
743 # The 'source' parameter is useful for extensions |
19334
95a49112e7ab
bundle: move file chunk generation to it's own function
Durham Goode <durham@fb.com>
parents:
19325
diff
changeset
|
744 def generatefiles(self, changedfiles, linknodes, commonrevs, source): |
95a49112e7ab
bundle: move file chunk generation to it's own function
Durham Goode <durham@fb.com>
parents:
19325
diff
changeset
|
745 repo = self._repo |
38410
1c5c4a5dd86d
changegroup: use progress helper
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parents:
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diff
changeset
|
746 progress = repo.ui.makeprogress(_('bundling'), unit=_('files'), |
1c5c4a5dd86d
changegroup: use progress helper
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parents:
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diff
changeset
|
747 total=len(changedfiles)) |
19334
95a49112e7ab
bundle: move file chunk generation to it's own function
Durham Goode <durham@fb.com>
parents:
19325
diff
changeset
|
748 for i, fname in enumerate(sorted(changedfiles)): |
95a49112e7ab
bundle: move file chunk generation to it's own function
Durham Goode <durham@fb.com>
parents:
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diff
changeset
|
749 filerevlog = repo.file(fname) |
95a49112e7ab
bundle: move file chunk generation to it's own function
Durham Goode <durham@fb.com>
parents:
19325
diff
changeset
|
750 if not filerevlog: |
37339
5859800edfc5
changegroup: remove "revlog" from error message
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37132
diff
changeset
|
751 raise error.Abort(_("empty or missing file data for %s") % |
5859800edfc5
changegroup: remove "revlog" from error message
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37132
diff
changeset
|
752 fname) |
19334
95a49112e7ab
bundle: move file chunk generation to it's own function
Durham Goode <durham@fb.com>
parents:
19325
diff
changeset
|
753 |
95a49112e7ab
bundle: move file chunk generation to it's own function
Durham Goode <durham@fb.com>
parents:
19325
diff
changeset
|
754 linkrevnodes = linknodes(filerevlog, fname) |
19207
a67e1380dfbd
bundle-ng: simplify lookup and state handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19206
diff
changeset
|
755 # Lookup for filenodes, we collected the linkrev nodes above in the |
a67e1380dfbd
bundle-ng: simplify lookup and state handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19206
diff
changeset
|
756 # fastpath case and with lookupmf in the slowpath case. |
a67e1380dfbd
bundle-ng: simplify lookup and state handling
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parents:
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diff
changeset
|
757 def lookupfilelog(x): |
a67e1380dfbd
bundle-ng: simplify lookup and state handling
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parents:
19206
diff
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|
758 return linkrevnodes[x] |
a67e1380dfbd
bundle-ng: simplify lookup and state handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19206
diff
changeset
|
759 |
24896
9183cb6886ef
changegroup: removed unused 'source' parameter from prune()
Martin von Zweigbergk <martinvonz@google.com>
parents:
24717
diff
changeset
|
760 filenodes = self.prune(filerevlog, linkrevnodes, commonrevs) |
19206
6308896b1d4a
bundle-ng: simplify bundle10.generate
Sune Foldager <cryo@cyanite.org>
parents:
19204
diff
changeset
|
761 if filenodes: |
38410
1c5c4a5dd86d
changegroup: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents:
38382
diff
changeset
|
762 progress.update(i + 1, item=fname) |
23748
4ab66de46a96
bundle: when verbose, show what takes up the space in the generated bundle
Mads Kiilerich <madski@unity3d.com>
parents:
23382
diff
changeset
|
763 h = self.fileheader(fname) |
4ab66de46a96
bundle: when verbose, show what takes up the space in the generated bundle
Mads Kiilerich <madski@unity3d.com>
parents:
23382
diff
changeset
|
764 size = len(h) |
4ab66de46a96
bundle: when verbose, show what takes up the space in the generated bundle
Mads Kiilerich <madski@unity3d.com>
parents:
23382
diff
changeset
|
765 yield h |
24912
e285b98c65cc
changegroup.group: drop 'reorder' parameter
Martin von Zweigbergk <martinvonz@google.com>
parents:
24911
diff
changeset
|
766 for chunk in self.group(filenodes, filerevlog, lookupfilelog): |
23748
4ab66de46a96
bundle: when verbose, show what takes up the space in the generated bundle
Mads Kiilerich <madski@unity3d.com>
parents:
23382
diff
changeset
|
767 size += len(chunk) |
19202
0455fc94ae00
bundle-ng: move gengroup into bundler, pass repo object to bundler
Sune Foldager <cryo@cyanite.org>
parents:
19201
diff
changeset
|
768 yield chunk |
23748
4ab66de46a96
bundle: when verbose, show what takes up the space in the generated bundle
Mads Kiilerich <madski@unity3d.com>
parents:
23382
diff
changeset
|
769 self._verbosenote(_('%8.i %s\n') % (size, fname)) |
38410
1c5c4a5dd86d
changegroup: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents:
38382
diff
changeset
|
770 progress.complete() |
19200
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
771 |
23181
832b7ef275c8
changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents:
23178
diff
changeset
|
772 def deltaparent(self, revlog, rev, p1, p2, prev): |
36743
d031609b3cb7
changegroup: do not delta lfs revisions
Jun Wu <quark@fb.com>
parents:
35754
diff
changeset
|
773 if not revlog.candelta(prev, rev): |
d031609b3cb7
changegroup: do not delta lfs revisions
Jun Wu <quark@fb.com>
parents:
35754
diff
changeset
|
774 raise error.ProgrammingError('cg1 should not be used in this case') |
23181
832b7ef275c8
changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents:
23178
diff
changeset
|
775 return prev |
832b7ef275c8
changegroup: introduce cg2packer/unpacker
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parents:
23178
diff
changeset
|
776 |
19207
a67e1380dfbd
bundle-ng: simplify lookup and state handling
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parents:
19206
diff
changeset
|
777 def revchunk(self, revlog, rev, prev, linknode): |
14143
da635d3c5620
changegroup: new bundler API
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parents:
14141
diff
changeset
|
778 node = revlog.node(rev) |
da635d3c5620
changegroup: new bundler API
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parents:
14141
diff
changeset
|
779 p1, p2 = revlog.parentrevs(rev) |
23181
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Sune Foldager <cryo@cyanite.org>
parents:
23178
diff
changeset
|
780 base = self.deltaparent(revlog, rev, p1, p2, prev) |
14143
da635d3c5620
changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
14141
diff
changeset
|
781 |
da635d3c5620
changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
14141
diff
changeset
|
782 prefix = '' |
24190
903c7e8c97ad
changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents:
24180
diff
changeset
|
783 if revlog.iscensored(base) or revlog.iscensored(rev): |
903c7e8c97ad
changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents:
24180
diff
changeset
|
784 try: |
30743
2df983125d37
revlog: add 'raw' argument to revision and _addrevision
Remi Chaintron <remi@fb.com>
parents:
30628
diff
changeset
|
785 delta = revlog.revision(node, raw=True) |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25624
diff
changeset
|
786 except error.CensoredNodeError as e: |
24190
903c7e8c97ad
changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents:
24180
diff
changeset
|
787 delta = e.tombstone |
903c7e8c97ad
changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents:
24180
diff
changeset
|
788 if base == nullrev: |
903c7e8c97ad
changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents:
24180
diff
changeset
|
789 prefix = mdiff.trivialdiffheader(len(delta)) |
903c7e8c97ad
changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents:
24180
diff
changeset
|
790 else: |
903c7e8c97ad
changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents:
24180
diff
changeset
|
791 baselen = revlog.rawsize(base) |
903c7e8c97ad
changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents:
24180
diff
changeset
|
792 prefix = mdiff.replacediffheader(baselen, len(delta)) |
903c7e8c97ad
changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents:
24180
diff
changeset
|
793 elif base == nullrev: |
30743
2df983125d37
revlog: add 'raw' argument to revision and _addrevision
Remi Chaintron <remi@fb.com>
parents:
30628
diff
changeset
|
794 delta = revlog.revision(node, raw=True) |
14143
da635d3c5620
changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
14141
diff
changeset
|
795 prefix = mdiff.trivialdiffheader(len(delta)) |
da635d3c5620
changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
14141
diff
changeset
|
796 else: |
da635d3c5620
changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
14141
diff
changeset
|
797 delta = revlog.revdiff(base, rev) |
da635d3c5620
changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
14141
diff
changeset
|
798 p1n, p2n = revlog.parents(node) |
da635d3c5620
changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
14141
diff
changeset
|
799 basenode = revlog.node(base) |
27433
12f727a5b434
changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents:
27432
diff
changeset
|
800 flags = revlog.flags(rev) |
12f727a5b434
changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents:
27432
diff
changeset
|
801 meta = self.builddeltaheader(node, p1n, p2n, basenode, linknode, flags) |
14143
da635d3c5620
changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
14141
diff
changeset
|
802 meta += prefix |
da635d3c5620
changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
14141
diff
changeset
|
803 l = len(meta) + len(delta) |
13831
d69c9510d648
changegroup: introduce bundler objects
Matt Mackall <mpm@selenic.com>
parents:
13786
diff
changeset
|
804 yield chunkheader(l) |
d69c9510d648
changegroup: introduce bundler objects
Matt Mackall <mpm@selenic.com>
parents:
13786
diff
changeset
|
805 yield meta |
14143
da635d3c5620
changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
14141
diff
changeset
|
806 yield delta |
27433
12f727a5b434
changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents:
27432
diff
changeset
|
807 def builddeltaheader(self, node, p1n, p2n, basenode, linknode, flags): |
14143
da635d3c5620
changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
14141
diff
changeset
|
808 # do nothing with basenode, it is implicitly the previous one in HG10 |
27433
12f727a5b434
changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents:
27432
diff
changeset
|
809 # do nothing with flags, it is implicitly 0 for cg1 and cg2 |
14143
da635d3c5620
changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
14141
diff
changeset
|
810 return struct.pack(self.deltaheader, node, p1n, p2n, linknode) |
20925
5174c48ed8d8
localrepo: move the _changegroupsubset method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20675
diff
changeset
|
811 |
23181
832b7ef275c8
changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents:
23178
diff
changeset
|
812 class cg2packer(cg1packer): |
23896
becfecaf9087
changegroup.writebundle: HG2Y support
Eric Sumner <ericsumner@fb.com>
parents:
23895
diff
changeset
|
813 version = '02' |
23181
832b7ef275c8
changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents:
23178
diff
changeset
|
814 deltaheader = _CHANGEGROUPV2_DELTA_HEADER |
832b7ef275c8
changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents:
23178
diff
changeset
|
815 |
32287
df3cf9422e1b
changegroup: add bundlecaps back
Durham Goode <durham@fb.com>
parents:
32268
diff
changeset
|
816 def __init__(self, repo, bundlecaps=None): |
df3cf9422e1b
changegroup: add bundlecaps back
Durham Goode <durham@fb.com>
parents:
32268
diff
changeset
|
817 super(cg2packer, self).__init__(repo, bundlecaps) |
24911
5447b8523fef
cg2packer: set reorder=False in __init__ instead of in group()
Martin von Zweigbergk <martinvonz@google.com>
parents:
24910
diff
changeset
|
818 if self._reorder is None: |
5447b8523fef
cg2packer: set reorder=False in __init__ instead of in group()
Martin von Zweigbergk <martinvonz@google.com>
parents:
24910
diff
changeset
|
819 # Since generaldelta is directly supported by cg2, reordering |
5447b8523fef
cg2packer: set reorder=False in __init__ instead of in group()
Martin von Zweigbergk <martinvonz@google.com>
parents:
24910
diff
changeset
|
820 # generally doesn't help, so we disable it by default (treating |
5447b8523fef
cg2packer: set reorder=False in __init__ instead of in group()
Martin von Zweigbergk <martinvonz@google.com>
parents:
24910
diff
changeset
|
821 # bundle.reorder=auto just like bundle.reorder=False). |
5447b8523fef
cg2packer: set reorder=False in __init__ instead of in group()
Martin von Zweigbergk <martinvonz@google.com>
parents:
24910
diff
changeset
|
822 self._reorder = False |
23181
832b7ef275c8
changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents:
23178
diff
changeset
|
823 |
832b7ef275c8
changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents:
23178
diff
changeset
|
824 def deltaparent(self, revlog, rev, p1, p2, prev): |
832b7ef275c8
changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents:
23178
diff
changeset
|
825 dp = revlog.deltaparent(rev) |
30211
6b0741d6d234
changegroup: skip delta when the underlying revlog do not use them
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30153
diff
changeset
|
826 if dp == nullrev and revlog.storedeltachains: |
6b0741d6d234
changegroup: skip delta when the underlying revlog do not use them
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30153
diff
changeset
|
827 # Avoid sending full revisions when delta parent is null. Pick prev |
6b0741d6d234
changegroup: skip delta when the underlying revlog do not use them
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30153
diff
changeset
|
828 # in that case. It's tempting to pick p1 in this case, as p1 will |
6b0741d6d234
changegroup: skip delta when the underlying revlog do not use them
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30153
diff
changeset
|
829 # be smaller in the common case. However, computing a delta against |
6b0741d6d234
changegroup: skip delta when the underlying revlog do not use them
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30153
diff
changeset
|
830 # p1 may require resolving the raw text of p1, which could be |
6b0741d6d234
changegroup: skip delta when the underlying revlog do not use them
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30153
diff
changeset
|
831 # expensive. The revlog caches should have prev cached, meaning |
6b0741d6d234
changegroup: skip delta when the underlying revlog do not use them
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30153
diff
changeset
|
832 # less CPU for changegroup generation. There is likely room to add |
6b0741d6d234
changegroup: skip delta when the underlying revlog do not use them
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30153
diff
changeset
|
833 # a flag and/or config option to control this behavior. |
36743
d031609b3cb7
changegroup: do not delta lfs revisions
Jun Wu <quark@fb.com>
parents:
35754
diff
changeset
|
834 base = prev |
30211
6b0741d6d234
changegroup: skip delta when the underlying revlog do not use them
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30153
diff
changeset
|
835 elif dp == nullrev: |
6b0741d6d234
changegroup: skip delta when the underlying revlog do not use them
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30153
diff
changeset
|
836 # revlog is configured to use full snapshot for a reason, |
6b0741d6d234
changegroup: skip delta when the underlying revlog do not use them
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30153
diff
changeset
|
837 # stick to full snapshot. |
36743
d031609b3cb7
changegroup: do not delta lfs revisions
Jun Wu <quark@fb.com>
parents:
35754
diff
changeset
|
838 base = nullrev |
30211
6b0741d6d234
changegroup: skip delta when the underlying revlog do not use them
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30153
diff
changeset
|
839 elif dp not in (p1, p2, prev): |
6b0741d6d234
changegroup: skip delta when the underlying revlog do not use them
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30153
diff
changeset
|
840 # Pick prev when we can't be sure remote has the base revision. |
6b0741d6d234
changegroup: skip delta when the underlying revlog do not use them
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30153
diff
changeset
|
841 return prev |
6b0741d6d234
changegroup: skip delta when the underlying revlog do not use them
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30153
diff
changeset
|
842 else: |
36743
d031609b3cb7
changegroup: do not delta lfs revisions
Jun Wu <quark@fb.com>
parents:
35754
diff
changeset
|
843 base = dp |
d031609b3cb7
changegroup: do not delta lfs revisions
Jun Wu <quark@fb.com>
parents:
35754
diff
changeset
|
844 if base != nullrev and not revlog.candelta(base, rev): |
d031609b3cb7
changegroup: do not delta lfs revisions
Jun Wu <quark@fb.com>
parents:
35754
diff
changeset
|
845 base = nullrev |
d031609b3cb7
changegroup: do not delta lfs revisions
Jun Wu <quark@fb.com>
parents:
35754
diff
changeset
|
846 return base |
23181
832b7ef275c8
changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents:
23178
diff
changeset
|
847 |
27433
12f727a5b434
changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents:
27432
diff
changeset
|
848 def builddeltaheader(self, node, p1n, p2n, basenode, linknode, flags): |
12f727a5b434
changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents:
27432
diff
changeset
|
849 # Do nothing with flags, it is implicitly 0 in cg1 and cg2 |
23181
832b7ef275c8
changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents:
23178
diff
changeset
|
850 return struct.pack(self.deltaheader, node, p1n, p2n, basenode, linknode) |
832b7ef275c8
changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents:
23178
diff
changeset
|
851 |
27432
77d25b913f80
changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents:
27241
diff
changeset
|
852 class cg3packer(cg2packer): |
77d25b913f80
changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents:
27241
diff
changeset
|
853 version = '03' |
27433
12f727a5b434
changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents:
27432
diff
changeset
|
854 deltaheader = _CHANGEGROUPV3_DELTA_HEADER |
27432
77d25b913f80
changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents:
27241
diff
changeset
|
855 |
28228
abf120262683
changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents:
28227
diff
changeset
|
856 def _packmanifests(self, dir, mfnodes, lookuplinknode): |
abf120262683
changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents:
28227
diff
changeset
|
857 if dir: |
abf120262683
changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents:
28227
diff
changeset
|
858 yield self.fileheader(dir) |
30339
6cdfb7e15a35
changegroup: remove remaining uses of repo.manifest
Durham Goode <durham@fb.com>
parents:
30294
diff
changeset
|
859 |
6cdfb7e15a35
changegroup: remove remaining uses of repo.manifest
Durham Goode <durham@fb.com>
parents:
30294
diff
changeset
|
860 dirlog = self._repo.manifestlog._revlog.dirlog(dir) |
6cdfb7e15a35
changegroup: remove remaining uses of repo.manifest
Durham Goode <durham@fb.com>
parents:
30294
diff
changeset
|
861 for chunk in self.group(mfnodes, dirlog, lookuplinknode, |
6cdfb7e15a35
changegroup: remove remaining uses of repo.manifest
Durham Goode <durham@fb.com>
parents:
30294
diff
changeset
|
862 units=_('manifests')): |
28228
abf120262683
changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents:
28227
diff
changeset
|
863 yield chunk |
abf120262683
changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents:
28227
diff
changeset
|
864 |
abf120262683
changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents:
28227
diff
changeset
|
865 def _manifestsdone(self): |
abf120262683
changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents:
28227
diff
changeset
|
866 return self.close() |
27432
77d25b913f80
changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents:
27241
diff
changeset
|
867 |
27433
12f727a5b434
changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents:
27432
diff
changeset
|
868 def builddeltaheader(self, node, p1n, p2n, basenode, linknode, flags): |
12f727a5b434
changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents:
27432
diff
changeset
|
869 return struct.pack( |
12f727a5b434
changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents:
27432
diff
changeset
|
870 self.deltaheader, node, p1n, p2n, basenode, linknode, flags) |
27432
77d25b913f80
changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents:
27241
diff
changeset
|
871 |
27751
a40e2f7fe49d
changegroup: hide packermap behind methods
Martin von Zweigbergk <martinvonz@google.com>
parents:
27739
diff
changeset
|
872 _packermap = {'01': (cg1packer, cg1unpacker), |
26709
42733e956887
changegroup: reformat packermap and add comment
Augie Fackler <augie@google.com>
parents:
26708
diff
changeset
|
873 # cg2 adds support for exchanging generaldelta |
42733e956887
changegroup: reformat packermap and add comment
Augie Fackler <augie@google.com>
parents:
26708
diff
changeset
|
874 '02': (cg2packer, cg2unpacker), |
27753
d4071cc73f46
changegroup3: add empty chunk separating directories and files
Martin von Zweigbergk <martinvonz@google.com>
parents:
27752
diff
changeset
|
875 # cg3 adds support for exchanging revlog flags and treemanifests |
27432
77d25b913f80
changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents:
27241
diff
changeset
|
876 '03': (cg3packer, cg3unpacker), |
26709
42733e956887
changegroup: reformat packermap and add comment
Augie Fackler <augie@google.com>
parents:
26708
diff
changeset
|
877 } |
23168
a92ba36a1a9d
changegroup: add a "packermap" dictionary to track different packer versions
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22971
diff
changeset
|
878 |
30627
7ace5304fec5
changegroup: pass 'repo' to allsupportedversions
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30626
diff
changeset
|
879 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
|
880 versions = set(_packermap.keys()) |
30627
7ace5304fec5
changegroup: pass 'repo' to allsupportedversions
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30626
diff
changeset
|
881 if not (repo.ui.configbool('experimental', 'changegroup3') or |
30628
a001cd7296a5
changegroup: simplify logic around enabling changegroup 03
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30627
diff
changeset
|
882 repo.ui.configbool('experimental', 'treemanifest') or |
a001cd7296a5
changegroup: simplify logic around enabling changegroup 03
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30627
diff
changeset
|
883 'treemanifest' in repo.requirements): |
30626
438532c99b54
changegroup: simplify 'allsupportedversions' logic
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30589
diff
changeset
|
884 versions.discard('03') |
27953
88609cfa3745
changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27946
diff
changeset
|
885 return versions |
88609cfa3745
changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27946
diff
changeset
|
886 |
88609cfa3745
changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27946
diff
changeset
|
887 # 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
|
888 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
|
889 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
|
890 |
88609cfa3745
changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27946
diff
changeset
|
891 # 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
|
892 def supportedoutgoingversions(repo): |
30627
7ace5304fec5
changegroup: pass 'repo' to allsupportedversions
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30626
diff
changeset
|
893 versions = allsupportedversions(repo) |
27953
88609cfa3745
changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27946
diff
changeset
|
894 if '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
|
895 # 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
|
896 # 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
|
897 # 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
|
898 # 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
|
899 # support versions 01 and 02. |
c0f11347b107
changegroup: don't support versions 01 and 02 with treemanifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27920
diff
changeset
|
900 versions.discard('01') |
c0f11347b107
changegroup: don't support versions 01 and 02 with treemanifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27920
diff
changeset
|
901 versions.discard('02') |
36465
94709406f10d
narrow: move changegroup.supportedoutgoingversions() override to core
Martin von Zweigbergk <martinvonz@google.com>
parents:
36464
diff
changeset
|
902 if NARROW_REQUIREMENT in repo.requirements: |
94709406f10d
narrow: move changegroup.supportedoutgoingversions() override to core
Martin von Zweigbergk <martinvonz@google.com>
parents:
36464
diff
changeset
|
903 # 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
|
904 # support that for stripping and unbundling to work. |
94709406f10d
narrow: move changegroup.supportedoutgoingversions() override to core
Martin von Zweigbergk <martinvonz@google.com>
parents:
36464
diff
changeset
|
905 versions.discard('01') |
94709406f10d
narrow: move changegroup.supportedoutgoingversions() override to core
Martin von Zweigbergk <martinvonz@google.com>
parents:
36464
diff
changeset
|
906 versions.discard('02') |
37132
a54113fcc8c9
lfs: move the 'supportedoutgoingversions' handling to changegroup.py
Matt Harbison <matt_harbison@yahoo.com>
parents:
37084
diff
changeset
|
907 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
|
908 # 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
|
909 # mark LFS entries with REVIDX_EXTSTORED. |
a54113fcc8c9
lfs: move the 'supportedoutgoingversions' handling to changegroup.py
Matt Harbison <matt_harbison@yahoo.com>
parents:
37084
diff
changeset
|
910 versions.discard('01') |
a54113fcc8c9
lfs: move the 'supportedoutgoingversions' handling to changegroup.py
Matt Harbison <matt_harbison@yahoo.com>
parents:
37084
diff
changeset
|
911 versions.discard('02') |
a54113fcc8c9
lfs: move the 'supportedoutgoingversions' handling to changegroup.py
Matt Harbison <matt_harbison@yahoo.com>
parents:
37084
diff
changeset
|
912 |
27752
29cfc474c5fd
changegroup3: introduce experimental.changegroup3 boolean config
Martin von Zweigbergk <martinvonz@google.com>
parents:
27751
diff
changeset
|
913 return versions |
27751
a40e2f7fe49d
changegroup: hide packermap behind methods
Martin von Zweigbergk <martinvonz@google.com>
parents:
27739
diff
changeset
|
914 |
34144
91f0677dc920
repair: preserve phase also when not using generaldelta (issue5678)
Martin von Zweigbergk <martinvonz@google.com>
parents:
33461
diff
changeset
|
915 def localversion(repo): |
91f0677dc920
repair: preserve phase also when not using generaldelta (issue5678)
Martin von Zweigbergk <martinvonz@google.com>
parents:
33461
diff
changeset
|
916 # 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
|
917 # 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
|
918 return max(supportedoutgoingversions(repo)) |
91f0677dc920
repair: preserve phase also when not using generaldelta (issue5678)
Martin von Zweigbergk <martinvonz@google.com>
parents:
33461
diff
changeset
|
919 |
27929
3b2ac2115464
changegroup: introduce safeversion()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27928
diff
changeset
|
920 def safeversion(repo): |
3b2ac2115464
changegroup: introduce safeversion()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27928
diff
changeset
|
921 # 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
|
922 # 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
|
923 # 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
|
924 versions = supportedoutgoingversions(repo) |
27929
3b2ac2115464
changegroup: introduce safeversion()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27928
diff
changeset
|
925 if 'generaldelta' in repo.requirements: |
3b2ac2115464
changegroup: introduce safeversion()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27928
diff
changeset
|
926 versions.discard('01') |
3b2ac2115464
changegroup: introduce safeversion()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27928
diff
changeset
|
927 assert versions |
3b2ac2115464
changegroup: introduce safeversion()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27928
diff
changeset
|
928 return min(versions) |
3b2ac2115464
changegroup: introduce safeversion()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27928
diff
changeset
|
929 |
32287
df3cf9422e1b
changegroup: add bundlecaps back
Durham Goode <durham@fb.com>
parents:
32268
diff
changeset
|
930 def getbundler(version, repo, bundlecaps=None): |
27953
88609cfa3745
changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27946
diff
changeset
|
931 assert version in supportedoutgoingversions(repo) |
32287
df3cf9422e1b
changegroup: add bundlecaps back
Durham Goode <durham@fb.com>
parents:
32268
diff
changeset
|
932 return _packermap[version][0](repo, bundlecaps) |
27751
a40e2f7fe49d
changegroup: hide packermap behind methods
Martin von Zweigbergk <martinvonz@google.com>
parents:
27739
diff
changeset
|
933 |
29593
953839de96ab
bundle2: store changeset count when creating file bundles
Gregory Szorc <gregory.szorc@gmail.com>
parents:
29371
diff
changeset
|
934 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
|
935 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
|
936 |
20926
7c1ed40e3325
localrepo: move the changegroupinfo method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20925
diff
changeset
|
937 def _changegroupinfo(repo, nodes, source): |
7c1ed40e3325
localrepo: move the changegroupinfo method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20925
diff
changeset
|
938 if repo.ui.verbose or source == 'bundle': |
7c1ed40e3325
localrepo: move the changegroupinfo method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20925
diff
changeset
|
939 repo.ui.status(_("%d changesets found\n") % len(nodes)) |
7c1ed40e3325
localrepo: move the changegroupinfo method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20925
diff
changeset
|
940 if repo.ui.debugflag: |
7c1ed40e3325
localrepo: move the changegroupinfo method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20925
diff
changeset
|
941 repo.ui.debug("list of changesets:\n") |
7c1ed40e3325
localrepo: move the changegroupinfo method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20925
diff
changeset
|
942 for node in nodes: |
7c1ed40e3325
localrepo: move the changegroupinfo method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20925
diff
changeset
|
943 repo.ui.debug("%s\n" % hex(node)) |
7c1ed40e3325
localrepo: move the changegroupinfo method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20925
diff
changeset
|
944 |
34096
f85dfde1731a
changegroup: replace getsubset with makechangegroup
Durham Goode <durham@fb.com>
parents:
34091
diff
changeset
|
945 def makechangegroup(repo, outgoing, version, source, fastpath=False, |
f85dfde1731a
changegroup: replace getsubset with makechangegroup
Durham Goode <durham@fb.com>
parents:
34091
diff
changeset
|
946 bundlecaps=None): |
f85dfde1731a
changegroup: replace getsubset with makechangegroup
Durham Goode <durham@fb.com>
parents:
34091
diff
changeset
|
947 cgstream = makestream(repo, outgoing, version, source, |
f85dfde1731a
changegroup: replace getsubset with makechangegroup
Durham Goode <durham@fb.com>
parents:
34091
diff
changeset
|
948 fastpath=fastpath, bundlecaps=bundlecaps) |
f85dfde1731a
changegroup: replace getsubset with makechangegroup
Durham Goode <durham@fb.com>
parents:
34091
diff
changeset
|
949 return getunbundler(version, util.chunkbuffer(cgstream), None, |
f85dfde1731a
changegroup: replace getsubset with makechangegroup
Durham Goode <durham@fb.com>
parents:
34091
diff
changeset
|
950 {'clcount': len(outgoing.missing) }) |
f85dfde1731a
changegroup: replace getsubset with makechangegroup
Durham Goode <durham@fb.com>
parents:
34091
diff
changeset
|
951 |
34103
92f1e2be8ab6
changegroup: rename getsubsetraw to makestream
Durham Goode <durham@fb.com>
parents:
34101
diff
changeset
|
952 def makestream(repo, outgoing, version, source, fastpath=False, |
92f1e2be8ab6
changegroup: rename getsubsetraw to makestream
Durham Goode <durham@fb.com>
parents:
34101
diff
changeset
|
953 bundlecaps=None): |
92f1e2be8ab6
changegroup: rename getsubsetraw to makestream
Durham Goode <durham@fb.com>
parents:
34101
diff
changeset
|
954 bundler = getbundler(version, repo, bundlecaps=bundlecaps) |
92f1e2be8ab6
changegroup: rename getsubsetraw to makestream
Durham Goode <durham@fb.com>
parents:
34101
diff
changeset
|
955 |
20925
5174c48ed8d8
localrepo: move the _changegroupsubset method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20675
diff
changeset
|
956 repo = repo.unfiltered() |
5174c48ed8d8
localrepo: move the _changegroupsubset method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20675
diff
changeset
|
957 commonrevs = outgoing.common |
5174c48ed8d8
localrepo: move the _changegroupsubset method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20675
diff
changeset
|
958 csets = outgoing.missing |
5174c48ed8d8
localrepo: move the _changegroupsubset method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20675
diff
changeset
|
959 heads = outgoing.missingheads |
5174c48ed8d8
localrepo: move the _changegroupsubset method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20675
diff
changeset
|
960 # We go through the fast path if we get told to, or if all (unfiltered |
5174c48ed8d8
localrepo: move the _changegroupsubset method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20675
diff
changeset
|
961 # heads have been requested (since we then know there all linkrevs will |
5174c48ed8d8
localrepo: move the _changegroupsubset method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20675
diff
changeset
|
962 # be pulled by the client). |
5174c48ed8d8
localrepo: move the _changegroupsubset method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20675
diff
changeset
|
963 heads.sort() |
5174c48ed8d8
localrepo: move the _changegroupsubset method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20675
diff
changeset
|
964 fastpathlinkrev = fastpath or ( |
5174c48ed8d8
localrepo: move the _changegroupsubset method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20675
diff
changeset
|
965 repo.filtername is None and heads == sorted(repo.heads())) |
5174c48ed8d8
localrepo: move the _changegroupsubset method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20675
diff
changeset
|
966 |
5174c48ed8d8
localrepo: move the _changegroupsubset method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20675
diff
changeset
|
967 repo.hook('preoutgoing', throw=True, source=source) |
20926
7c1ed40e3325
localrepo: move the changegroupinfo method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20925
diff
changeset
|
968 _changegroupinfo(repo, csets, source) |
23177
706547a14b8b
changegroup: introduce "raw" versions of some commands
Sune Foldager <cryo@cyanite.org>
parents:
23168
diff
changeset
|
969 return bundler.generate(commonrevs, csets, fastpathlinkrev, source) |
706547a14b8b
changegroup: introduce "raw" versions of some commands
Sune Foldager <cryo@cyanite.org>
parents:
23168
diff
changeset
|
970 |
28361
277a22cd8741
changegroup: progress for added files is not measured in "chunks"
Martin von Zweigbergk <martinvonz@google.com>
parents:
28360
diff
changeset
|
971 def _addchangegroupfiles(repo, source, revmap, trp, expectedfiles, needfiles): |
20932
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
|
972 revisions = 0 |
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
|
973 files = 0 |
38382
daa08d45740f
changegroup: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents:
38373
diff
changeset
|
974 progress = repo.ui.makeprogress(_('files'), unit=_('files'), |
daa08d45740f
changegroup: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents:
38373
diff
changeset
|
975 total=expectedfiles) |
29724
4e7be6e33269
changegroup: use `iter(callable, sentinel)` instead of while True
Augie Fackler <augie@google.com>
parents:
29690
diff
changeset
|
976 for chunkdata in iter(source.filelogheader, {}): |
28361
277a22cd8741
changegroup: progress for added files is not measured in "chunks"
Martin von Zweigbergk <martinvonz@google.com>
parents:
28360
diff
changeset
|
977 files += 1 |
20932
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
|
978 f = chunkdata["filename"] |
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
|
979 repo.ui.debug("adding %s revisions\n" % f) |
38382
daa08d45740f
changegroup: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents:
38373
diff
changeset
|
980 progress.increment() |
27754
a09f143daaf4
changegroup3: move treemanifest support into _unpackmanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27753
diff
changeset
|
981 fl = repo.file(f) |
20932
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
|
982 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
|
983 try: |
34291
1db9abf407c5
revlog: add revmap back to revlog.addgroup
Durham Goode <durham@fb.com>
parents:
34257
diff
changeset
|
984 deltas = source.deltaiter() |
1db9abf407c5
revlog: add revmap back to revlog.addgroup
Durham Goode <durham@fb.com>
parents:
34257
diff
changeset
|
985 if not fl.addgroup(deltas, revmap, trp): |
26587
56b2bcea2529
error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26540
diff
changeset
|
986 raise error.Abort(_("received file revlog group is empty")) |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25624
diff
changeset
|
987 except error.CensoredBaseError as e: |
26587
56b2bcea2529
error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26540
diff
changeset
|
988 raise error.Abort(_("received delta base is censored: %s") % e) |
27754
a09f143daaf4
changegroup3: move treemanifest support into _unpackmanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27753
diff
changeset
|
989 revisions += len(fl) - o |
20932
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
|
990 if f in needfiles: |
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
|
991 needs = needfiles[f] |
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
|
992 for new in xrange(o, len(fl)): |
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
|
993 n = fl.node(new) |
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
|
994 if n in needs: |
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
|
995 needs.remove(n) |
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
|
996 else: |
26587
56b2bcea2529
error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26540
diff
changeset
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997 raise error.Abort( |
20932
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
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998 _("received spurious file revlog entry")) |
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
|
999 if not needs: |
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
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1000 del needfiles[f] |
38382
daa08d45740f
changegroup: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents:
38373
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changeset
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1001 progress.complete() |
20932
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
|
1002 |
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
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1003 for f, needs in needfiles.iteritems(): |
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
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1004 fl = repo.file(f) |
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
|
1005 for n in needs: |
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
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1006 try: |
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
|
1007 fl.rev(n) |
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
|
1008 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
|
1009 raise error.Abort( |
20932
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
|
1010 _('missing file data for %s:%s - run hg verify') % |
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
|
1011 (f, hex(n))) |
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
|
1012 |
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
|
1013 return revisions, files |