Mercurial > hg
annotate mercurial/changegroup.py @ 30801:67ee7874e53b
revset: factor out getinteger() helper
We have 4 revset functions that take integer arguments, and they handle
their arguments in slightly different ways. This patch unifies them:
- getstring() in place of getsymbol(), which is more consistent with the
handling of integer revisions (both 1 and '1' are valid)
- say "expects" instead of "requires" for type errors
We don't need to catch TypeError since getstring() must return a string.
author | Yuya Nishihara <yuya@tcha.org> |
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date | Mon, 09 Jan 2017 17:39:44 +0900 |
parents | 2df983125d37 |
children | 82f1ef8b4477 ed5b25874d99 |
rev | line source |
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1 # changegroup.py - Mercurial changegroup manipulation functions |
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2 # |
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3 # Copyright 2006 Matt Mackall <mpm@selenic.com> |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
10263 | 6 # GNU General Public License version 2 or any later version. |
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7 |
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8 from __future__ import absolute_import |
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9 |
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10 import os |
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11 import struct |
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12 import tempfile |
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13 import weakref |
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14 |
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15 from .i18n import _ |
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16 from .node import ( |
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17 hex, |
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18 nullrev, |
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19 short, |
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20 ) |
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21 |
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22 from . import ( |
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23 branchmap, |
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24 dagutil, |
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25 discovery, |
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26 error, |
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27 mdiff, |
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28 phases, |
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29 util, |
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30 ) |
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31 |
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32 _CHANGEGROUPV1_DELTA_HEADER = "20s20s20s20s" |
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33 _CHANGEGROUPV2_DELTA_HEADER = "20s20s20s20s20s" |
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34 _CHANGEGROUPV3_DELTA_HEADER = ">20s20s20s20s20sH" |
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35 |
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36 def readexactly(stream, n): |
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37 '''read n bytes from stream.read and abort if less was available''' |
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38 s = stream.read(n) |
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39 if len(s) < n: |
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40 raise error.Abort(_("stream ended unexpectedly" |
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41 " (got %d bytes, expected %d)") |
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42 % (len(s), n)) |
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43 return s |
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44 |
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45 def getchunk(stream): |
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46 """return the next chunk from stream as a string""" |
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47 d = readexactly(stream, 4) |
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48 l = struct.unpack(">l", d)[0] |
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49 if l <= 4: |
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50 if l: |
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51 raise error.Abort(_("invalid chunk length %d") % l) |
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52 return "" |
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53 return readexactly(stream, l - 4) |
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54 |
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55 def chunkheader(length): |
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56 """return a changegroup chunk header (string)""" |
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57 return struct.pack(">l", length + 4) |
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58 |
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59 def closechunk(): |
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60 """return a changegroup chunk header (string) for a zero-length chunk""" |
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61 return struct.pack(">l", 0) |
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62 |
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63 def combineresults(results): |
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64 """logic to combine 0 or more addchangegroup results into one""" |
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65 changedheads = 0 |
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66 result = 1 |
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67 for ret in results: |
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68 # If any changegroup result is 0, return 0 |
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69 if ret == 0: |
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70 result = 0 |
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71 break |
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72 if ret < -1: |
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73 changedheads += ret + 1 |
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74 elif ret > 1: |
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75 changedheads += ret - 1 |
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76 if changedheads > 0: |
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77 result = 1 + changedheads |
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78 elif changedheads < 0: |
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79 result = -1 + changedheads |
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80 return result |
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81 |
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82 def writechunks(ui, chunks, filename, vfs=None): |
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83 """Write chunks to a file and return its filename. |
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84 |
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85 The stream is assumed to be a bundle file. |
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86 Existing files will not be overwritten. |
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87 If no filename is specified, a temporary file is created. |
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88 """ |
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89 fh = None |
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90 cleanup = None |
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91 try: |
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92 if filename: |
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93 if vfs: |
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94 fh = vfs.open(filename, "wb") |
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95 else: |
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96 # Increase default buffer size because default is usually |
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97 # small (4k is common on Linux). |
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98 fh = open(filename, "wb", 131072) |
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99 else: |
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100 fd, filename = tempfile.mkstemp(prefix="hg-bundle-", suffix=".hg") |
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101 fh = os.fdopen(fd, "wb") |
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102 cleanup = filename |
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103 for c in chunks: |
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104 fh.write(c) |
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105 cleanup = None |
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106 return filename |
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107 finally: |
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108 if fh is not None: |
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109 fh.close() |
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110 if cleanup is not None: |
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111 if filename and vfs: |
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112 vfs.unlink(cleanup) |
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113 else: |
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114 os.unlink(cleanup) |
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115 |
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116 class cg1unpacker(object): |
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117 """Unpacker for cg1 changegroup streams. |
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118 |
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119 A changegroup unpacker handles the framing of the revision data in |
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120 the wire format. Most consumers will want to use the apply() |
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121 method to add the changes from the changegroup to a repository. |
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122 |
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123 If you're forwarding a changegroup unmodified to another consumer, |
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124 use getchunks(), which returns an iterator of changegroup |
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125 chunks. This is mostly useful for cases where you need to know the |
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126 data stream has ended by observing the end of the changegroup. |
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127 |
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128 deltachunk() is useful only if you're applying delta data. Most |
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129 consumers should prefer apply() instead. |
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130 |
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131 A few other public methods exist. Those are used only for |
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132 bundlerepo and some debug commands - their use is discouraged. |
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133 """ |
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134 deltaheader = _CHANGEGROUPV1_DELTA_HEADER |
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135 deltaheadersize = struct.calcsize(deltaheader) |
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136 version = '01' |
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137 _grouplistcount = 1 # One list of files after the manifests |
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138 |
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139 def __init__(self, fh, alg, extras=None): |
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140 if alg is None: |
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141 alg = 'UN' |
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142 if alg not in util.compengines.supportedbundletypes: |
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143 raise error.Abort(_('unknown stream compression type: %s') |
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144 % alg) |
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145 if alg == 'BZ': |
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146 alg = '_truncatedBZ' |
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147 |
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148 compengine = util.compengines.forbundletype(alg) |
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149 self._stream = compengine.decompressorreader(fh) |
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150 self._type = alg |
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151 self.extras = extras or {} |
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152 self.callback = None |
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153 |
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154 # These methods (compressed, read, seek, tell) all appear to only |
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155 # be used by bundlerepo, but it's a little hard to tell. |
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156 def compressed(self): |
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157 return self._type is not None and self._type != 'UN' |
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158 def read(self, l): |
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159 return self._stream.read(l) |
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160 def seek(self, pos): |
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161 return self._stream.seek(pos) |
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162 def tell(self): |
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163 return self._stream.tell() |
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164 def close(self): |
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165 return self._stream.close() |
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166 |
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167 def _chunklength(self): |
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168 d = readexactly(self._stream, 4) |
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169 l = struct.unpack(">l", d)[0] |
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170 if l <= 4: |
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171 if l: |
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172 raise error.Abort(_("invalid chunk length %d") % l) |
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173 return 0 |
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174 if self.callback: |
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175 self.callback() |
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176 return l - 4 |
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177 |
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178 def changelogheader(self): |
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179 """v10 does not have a changelog header chunk""" |
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180 return {} |
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181 |
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182 def manifestheader(self): |
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183 """v10 does not have a manifest header chunk""" |
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184 return {} |
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185 |
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186 def filelogheader(self): |
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187 """return the header of the filelogs chunk, v10 only has the filename""" |
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188 l = self._chunklength() |
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189 if not l: |
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190 return {} |
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191 fname = readexactly(self._stream, l) |
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192 return {'filename': fname} |
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193 |
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194 def _deltaheader(self, headertuple, prevnode): |
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195 node, p1, p2, cs = headertuple |
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196 if prevnode is None: |
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197 deltabase = p1 |
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198 else: |
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199 deltabase = prevnode |
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200 flags = 0 |
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201 return node, p1, p2, deltabase, cs, flags |
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202 |
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203 def deltachunk(self, prevnode): |
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204 l = self._chunklength() |
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205 if not l: |
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206 return {} |
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207 headerdata = readexactly(self._stream, self.deltaheadersize) |
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208 header = struct.unpack(self.deltaheader, headerdata) |
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209 delta = readexactly(self._stream, l - self.deltaheadersize) |
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210 node, p1, p2, deltabase, cs, flags = self._deltaheader(header, prevnode) |
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211 return {'node': node, 'p1': p1, 'p2': p2, 'cs': cs, |
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212 'deltabase': deltabase, 'delta': delta, 'flags': flags} |
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213 |
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214 def getchunks(self): |
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215 """returns all the chunks contains in the bundle |
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216 |
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217 Used when you need to forward the binary stream to a file or another |
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218 network API. To do so, it parse the changegroup data, otherwise it will |
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219 block in case of sshrepo because it don't know the end of the stream. |
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220 """ |
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221 # an empty chunkgroup is the end of the changegroup |
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222 # a changegroup has at least 2 chunkgroups (changelog and manifest). |
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223 # after that, changegroup versions 1 and 2 have a series of groups |
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224 # with one group per file. changegroup 3 has a series of directory |
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225 # manifests before the files. |
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226 count = 0 |
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227 emptycount = 0 |
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228 while emptycount < self._grouplistcount: |
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229 empty = True |
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230 count += 1 |
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231 while True: |
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232 chunk = getchunk(self) |
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233 if not chunk: |
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234 if empty and count > 2: |
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235 emptycount += 1 |
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236 break |
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237 empty = False |
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238 yield chunkheader(len(chunk)) |
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239 pos = 0 |
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240 while pos < len(chunk): |
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241 next = pos + 2**20 |
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242 yield chunk[pos:next] |
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243 pos = next |
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244 yield closechunk() |
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245 |
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246 def _unpackmanifests(self, repo, revmap, trp, prog, numchanges): |
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247 # We know that we'll never have more manifests than we had |
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248 # changesets. |
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249 self.callback = prog(_('manifests'), numchanges) |
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250 # no need to check for empty manifest group here: |
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251 # if the result of the merge of 1 and 2 is the same in 3 and 4, |
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252 # no new manifest will be created and the manifest group will |
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253 # be empty during the pull |
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254 self.manifestheader() |
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255 repo.manifestlog._revlog.addgroup(self, revmap, trp) |
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256 repo.ui.progress(_('manifests'), None) |
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257 self.callback = None |
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258 |
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259 def apply(self, repo, srctype, url, emptyok=False, |
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260 targetphase=phases.draft, expectedtotal=None): |
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261 """Add the changegroup returned by source.read() to this repo. |
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262 srctype is a string like 'push', 'pull', or 'unbundle'. url is |
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263 the URL of the repo where this changegroup is coming from. |
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264 |
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265 Return an integer summarizing the change to this repo: |
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266 - nothing changed or no source: 0 |
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267 - more heads than before: 1+added heads (2..n) |
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268 - fewer heads than before: -1-removed heads (-2..-n) |
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269 - number of heads stays the same: 1 |
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270 """ |
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271 repo = repo.unfiltered() |
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272 def csmap(x): |
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273 repo.ui.debug("add changeset %s\n" % short(x)) |
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274 return len(cl) |
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275 |
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276 def revmap(x): |
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277 return cl.rev(x) |
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278 |
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279 changesets = files = revisions = 0 |
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280 |
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281 try: |
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282 with repo.transaction("\n".join([srctype, |
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283 util.hidepassword(url)])) as tr: |
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284 # The transaction could have been created before and already |
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285 # carries source information. In this case we use the top |
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286 # level data. We overwrite the argument because we need to use |
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287 # the top level value (if they exist) in this function. |
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288 srctype = tr.hookargs.setdefault('source', srctype) |
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289 url = tr.hookargs.setdefault('url', url) |
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290 repo.hook('prechangegroup', throw=True, **tr.hookargs) |
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291 |
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292 # write changelog data to temp files so concurrent readers |
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293 # will not see an inconsistent view |
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294 cl = repo.changelog |
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295 cl.delayupdate(tr) |
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296 oldheads = cl.heads() |
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297 |
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298 trp = weakref.proxy(tr) |
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299 # pull off the changeset group |
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300 repo.ui.status(_("adding changesets\n")) |
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301 clstart = len(cl) |
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302 class prog(object): |
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303 def __init__(self, step, total): |
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304 self._step = step |
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305 self._total = total |
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306 self._count = 1 |
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307 def __call__(self): |
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308 repo.ui.progress(self._step, self._count, |
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309 unit=_('chunks'), total=self._total) |
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310 self._count += 1 |
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311 self.callback = prog(_('changesets'), expectedtotal) |
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312 |
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313 efiles = set() |
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314 def onchangelog(cl, node): |
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315 efiles.update(cl.readfiles(node)) |
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316 |
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317 self.changelogheader() |
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318 srccontent = cl.addgroup(self, csmap, trp, |
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319 addrevisioncb=onchangelog) |
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320 efiles = len(efiles) |
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321 |
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322 if not (srccontent or emptyok): |
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323 raise error.Abort(_("received changelog group is empty")) |
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324 clend = len(cl) |
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325 changesets = clend - clstart |
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326 repo.ui.progress(_('changesets'), None) |
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327 self.callback = None |
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328 |
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329 # pull off the manifest group |
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330 repo.ui.status(_("adding manifests\n")) |
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331 self._unpackmanifests(repo, revmap, trp, prog, changesets) |
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332 |
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333 needfiles = {} |
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334 if repo.ui.configbool('server', 'validate', default=False): |
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335 cl = repo.changelog |
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336 ml = repo.manifestlog |
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337 # validate incoming csets have their manifests |
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338 for cset in xrange(clstart, clend): |
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339 mfnode = cl.changelogrevision(cset).manifest |
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340 mfest = ml[mfnode].readdelta() |
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341 # store file nodes we must see |
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342 for f, n in mfest.iteritems(): |
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343 needfiles.setdefault(f, set()).add(n) |
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344 |
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345 # process the files |
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346 repo.ui.status(_("adding file changes\n")) |
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347 newrevs, newfiles = _addchangegroupfiles( |
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348 repo, self, revmap, trp, efiles, needfiles) |
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349 revisions += newrevs |
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350 files += newfiles |
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351 |
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352 dh = 0 |
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353 if oldheads: |
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354 heads = cl.heads() |
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355 dh = len(heads) - len(oldheads) |
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356 for h in heads: |
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357 if h not in oldheads and repo[h].closesbranch(): |
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358 dh -= 1 |
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359 htext = "" |
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360 if dh: |
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361 htext = _(" (%+d heads)") % dh |
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362 |
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363 repo.ui.status(_("added %d changesets" |
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364 " with %d changes to %d files%s\n") |
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365 % (changesets, revisions, files, htext)) |
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366 repo.invalidatevolatilesets() |
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367 |
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368 if changesets > 0: |
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369 if 'node' not in tr.hookargs: |
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370 tr.hookargs['node'] = hex(cl.node(clstart)) |
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371 tr.hookargs['node_last'] = hex(cl.node(clend - 1)) |
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372 hookargs = dict(tr.hookargs) |
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373 else: |
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374 hookargs = dict(tr.hookargs) |
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375 hookargs['node'] = hex(cl.node(clstart)) |
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376 hookargs['node_last'] = hex(cl.node(clend - 1)) |
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377 repo.hook('pretxnchangegroup', throw=True, **hookargs) |
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378 |
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379 added = [cl.node(r) for r in xrange(clstart, clend)] |
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380 publishing = repo.publishing() |
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381 if srctype in ('push', 'serve'): |
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382 # Old servers can not push the boundary themselves. |
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383 # New servers won't push the boundary if changeset already |
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384 # exists locally as secret |
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385 # |
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386 # We should not use added here but the list of all change in |
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387 # the bundle |
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388 if publishing: |
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389 phases.advanceboundary(repo, tr, phases.public, |
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390 srccontent) |
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391 else: |
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392 # Those changesets have been pushed from the |
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393 # outside, their phases are going to be pushed |
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394 # alongside. Therefor `targetphase` is |
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395 # ignored. |
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396 phases.advanceboundary(repo, tr, phases.draft, |
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397 srccontent) |
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398 phases.retractboundary(repo, tr, phases.draft, added) |
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399 elif srctype != 'strip': |
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400 # publishing only alter behavior during push |
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401 # |
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402 # strip should not touch boundary at all |
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403 phases.retractboundary(repo, tr, targetphase, added) |
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404 |
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405 if changesets > 0: |
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406 if srctype != 'strip': |
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407 # During strip, branchcache is invalid but |
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408 # coming call to `destroyed` will repair it. |
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409 # In other case we can safely update cache on |
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410 # disk. |
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411 repo.ui.debug('updating the branch cache\n') |
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412 branchmap.updatecache(repo.filtered('served')) |
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413 |
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414 def runhooks(): |
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415 # These hooks run when the lock releases, not when the |
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416 # transaction closes. So it's possible for the changelog |
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417 # to have changed since we last saw it. |
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418 if clstart >= len(repo): |
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419 return |
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420 |
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421 repo.hook("changegroup", **hookargs) |
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422 |
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423 for n in added: |
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424 args = hookargs.copy() |
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425 args['node'] = hex(n) |
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426 del args['node_last'] |
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427 repo.hook("incoming", **args) |
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428 |
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429 newheads = [h for h in repo.heads() |
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430 if h not in oldheads] |
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431 repo.ui.log("incoming", |
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432 "%s incoming changes - new heads: %s\n", |
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433 len(added), |
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434 ', '.join([hex(c[:6]) for c in newheads])) |
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435 |
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436 tr.addpostclose('changegroup-runhooks-%020i' % clstart, |
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437 lambda tr: repo._afterlock(runhooks)) |
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438 finally: |
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439 repo.ui.flush() |
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440 # never return 0 here: |
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441 if dh < 0: |
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442 return dh - 1 |
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443 else: |
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444 return dh + 1 |
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445 |
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446 class cg2unpacker(cg1unpacker): |
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447 """Unpacker for cg2 streams. |
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448 |
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449 cg2 streams add support for generaldelta, so the delta header |
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450 format is slightly different. All other features about the data |
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451 remain the same. |
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452 """ |
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453 deltaheader = _CHANGEGROUPV2_DELTA_HEADER |
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|
454 deltaheadersize = struct.calcsize(deltaheader) |
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455 version = '02' |
23181
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|
456 |
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|
457 def _deltaheader(self, headertuple, prevnode): |
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458 node, p1, p2, deltabase, cs = headertuple |
27433
12f727a5b434
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|
459 flags = 0 |
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|
460 return node, p1, p2, deltabase, cs, flags |
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|
461 |
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462 class cg3unpacker(cg2unpacker): |
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463 """Unpacker for cg3 streams. |
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464 |
27433
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diff
changeset
|
465 cg3 streams add support for exchanging treemanifests and revlog |
27753
d4071cc73f46
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parents:
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diff
changeset
|
466 flags. It adds the revlog flags to the delta header and an empty chunk |
d4071cc73f46
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|
467 separating manifests and files. |
27432
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468 """ |
27433
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changeset
|
469 deltaheader = _CHANGEGROUPV3_DELTA_HEADER |
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changeset
|
470 deltaheadersize = struct.calcsize(deltaheader) |
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parents:
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471 version = '03' |
27920
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parents:
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diff
changeset
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472 _grouplistcount = 2 # One list of manifests and one list of files |
27432
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changeset
|
473 |
27433
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changeset
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474 def _deltaheader(self, headertuple, prevnode): |
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475 node, p1, p2, deltabase, cs, flags = headertuple |
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476 return node, p1, p2, deltabase, cs, flags |
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changeset
|
477 |
27754
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478 def _unpackmanifests(self, repo, revmap, trp, prog, numchanges): |
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479 super(cg3unpacker, self)._unpackmanifests(repo, revmap, trp, prog, |
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diff
changeset
|
480 numchanges) |
29724
4e7be6e33269
changegroup: use `iter(callable, sentinel)` instead of while True
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parents:
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diff
changeset
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481 for chunkdata in iter(self.filelogheader, {}): |
27754
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482 # If we get here, there are directory manifests in the changegroup |
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diff
changeset
|
483 d = chunkdata["filename"] |
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changeset
|
484 repo.ui.debug("adding %s revisions\n" % d) |
30339
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changegroup: remove remaining uses of repo.manifest
Durham Goode <durham@fb.com>
parents:
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diff
changeset
|
485 dirlog = repo.manifestlog._revlog.dirlog(d) |
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486 if not dirlog.addgroup(self, revmap, trp): |
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487 raise error.Abort(_("received dir revlog group is empty")) |
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diff
changeset
|
488 |
12329
7458de933f26
bundle: push chunkbuffer down into decompress
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parents:
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|
489 class headerlessfixup(object): |
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490 def __init__(self, fh, h): |
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491 self._h = h |
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492 self._fh = fh |
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493 def read(self, n): |
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|
494 if self._h: |
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changeset
|
495 d, self._h = self._h[:n], self._h[n:] |
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|
496 if len(d) < n: |
13457
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changegroup: verify all stream reads
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parents:
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changeset
|
497 d += readexactly(self._fh, n - len(d)) |
12329
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|
498 return d |
13457
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|
499 return readexactly(self._fh, n) |
12329
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|
500 |
22390
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changegroup: rename bundle-related functions and classes
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|
501 class cg1packer(object): |
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502 deltaheader = _CHANGEGROUPV1_DELTA_HEADER |
23896
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changegroup.writebundle: HG2Y support
Eric Sumner <ericsumner@fb.com>
parents:
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changeset
|
503 version = '01' |
19202
0455fc94ae00
bundle-ng: move gengroup into bundler, pass repo object to bundler
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504 def __init__(self, repo, bundlecaps=None): |
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505 """Given a source repo, construct a bundler. |
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|
506 |
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changeset
|
507 bundlecaps is optional and can be used to specify the set of |
0455fc94ae00
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diff
changeset
|
508 capabilities which can be used to build the bundle. |
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diff
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|
509 """ |
19201
309c439cdbaa
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diff
changeset
|
510 # Set of capabilities we can use to build the bundle. |
309c439cdbaa
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diff
changeset
|
511 if bundlecaps is None: |
309c439cdbaa
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diff
changeset
|
512 bundlecaps = set() |
309c439cdbaa
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diff
changeset
|
513 self._bundlecaps = bundlecaps |
25831
578fc97904da
generaldelta: mark experimental reordering option
Matt Mackall <mpm@selenic.com>
parents:
25823
diff
changeset
|
514 # experimental config: bundle.reorder |
19202
0455fc94ae00
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diff
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|
515 reorder = repo.ui.config('bundle', 'reorder', 'auto') |
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changeset
|
516 if reorder == 'auto': |
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|
517 reorder = None |
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|
518 else: |
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diff
changeset
|
519 reorder = util.parsebool(reorder) |
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|
520 self._repo = repo |
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diff
changeset
|
521 self._reorder = reorder |
19208
0b564cf359a7
bundle-ng: move progress handling out of the linkrev callback
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parents:
19207
diff
changeset
|
522 self._progress = repo.ui.progress |
23748
4ab66de46a96
bundle: when verbose, show what takes up the space in the generated bundle
Mads Kiilerich <madski@unity3d.com>
parents:
23382
diff
changeset
|
523 if self._repo.ui.verbose and not self._repo.ui.debugflag: |
4ab66de46a96
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parents:
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diff
changeset
|
524 self._verbosenote = self._repo.ui.note |
4ab66de46a96
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Mads Kiilerich <madski@unity3d.com>
parents:
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diff
changeset
|
525 else: |
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
|
526 self._verbosenote = lambda s: None |
4ab66de46a96
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parents:
23382
diff
changeset
|
527 |
13831
d69c9510d648
changegroup: introduce bundler objects
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parents:
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diff
changeset
|
528 def close(self): |
d69c9510d648
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changeset
|
529 return closechunk() |
19200
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diff
changeset
|
530 |
13831
d69c9510d648
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parents:
13786
diff
changeset
|
531 def fileheader(self, fname): |
d69c9510d648
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changeset
|
532 return chunkheader(len(fname)) + fname |
19200
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changeset
|
533 |
29236
1b7d907ec18a
changegroup: extract method that sorts nodes to send
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diff
changeset
|
534 # Extracted both for clarity and for overriding in extensions. |
1b7d907ec18a
changegroup: extract method that sorts nodes to send
Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
535 def _sortgroup(self, revlog, nodelist, lookup): |
1b7d907ec18a
changegroup: extract method that sorts nodes to send
Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
536 """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:
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diff
changeset
|
537 # 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:
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diff
changeset
|
538 # much quicker and generate a much smaller bundle |
1b7d907ec18a
changegroup: extract method that sorts nodes to send
Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
539 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:
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diff
changeset
|
540 dag = dagutil.revlogdag(revlog) |
1b7d907ec18a
changegroup: extract method that sorts nodes to send
Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
541 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:
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diff
changeset
|
542 else: |
1b7d907ec18a
changegroup: extract method that sorts nodes to send
Augie Fackler <augie@google.com>
parents:
28666
diff
changeset
|
543 return sorted([revlog.rev(n) for n in nodelist]) |
1b7d907ec18a
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
544 |
24912
e285b98c65cc
changegroup.group: drop 'reorder' parameter
Martin von Zweigbergk <martinvonz@google.com>
parents:
24911
diff
changeset
|
545 def group(self, nodelist, revlog, lookup, units=None): |
19200
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
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diff
changeset
|
546 """Calculate a delta group, yielding a sequence of changegroup chunks |
4cfdec944edf
bundle-ng: move group into the bundler
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diff
changeset
|
547 (strings). |
4cfdec944edf
bundle-ng: move group into the bundler
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parents:
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diff
changeset
|
548 |
4cfdec944edf
bundle-ng: move group into the bundler
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parents:
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diff
changeset
|
549 Given a list of changeset revs, return a set of deltas and |
4cfdec944edf
bundle-ng: move group into the bundler
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parents:
19199
diff
changeset
|
550 metadata corresponding to nodes. The first delta is |
4cfdec944edf
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parents:
19199
diff
changeset
|
551 first parent(nodelist[0]) -> nodelist[0], the receiver is |
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
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diff
changeset
|
552 guaranteed to have this parent as it has all history before |
4cfdec944edf
bundle-ng: move group into the bundler
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parents:
19199
diff
changeset
|
553 these changesets. In the case firstparent is nullrev the |
4cfdec944edf
bundle-ng: move group into the bundler
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parents:
19199
diff
changeset
|
554 changegroup starts with a full revision. |
19208
0b564cf359a7
bundle-ng: move progress handling out of the linkrev callback
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parents:
19207
diff
changeset
|
555 |
0b564cf359a7
bundle-ng: move progress handling out of the linkrev callback
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parents:
19207
diff
changeset
|
556 If units is not None, progress detail will be generated, units specifies |
0b564cf359a7
bundle-ng: move progress handling out of the linkrev callback
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parents:
19207
diff
changeset
|
557 the type of revlog that is touched (changelog, manifest, etc.). |
19200
4cfdec944edf
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diff
changeset
|
558 """ |
4cfdec944edf
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19199
diff
changeset
|
559 # if we don't have any revisions touched by these changesets, bail |
4cfdec944edf
bundle-ng: move group into the bundler
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diff
changeset
|
560 if len(nodelist) == 0: |
4cfdec944edf
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parents:
19199
diff
changeset
|
561 yield self.close() |
4cfdec944edf
bundle-ng: move group into the bundler
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parents:
19199
diff
changeset
|
562 return |
4cfdec944edf
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parents:
19199
diff
changeset
|
563 |
29236
1b7d907ec18a
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Augie Fackler <augie@google.com>
parents:
28666
diff
changeset
|
564 revs = self._sortgroup(revlog, nodelist, lookup) |
19200
4cfdec944edf
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parents:
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diff
changeset
|
565 |
4cfdec944edf
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parents:
19199
diff
changeset
|
566 # add the parent of the first rev |
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
567 p = revlog.parentrevs(revs[0])[0] |
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
568 revs.insert(0, p) |
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
569 |
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
570 # build deltas |
19208
0b564cf359a7
bundle-ng: move progress handling out of the linkrev callback
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19207
diff
changeset
|
571 total = len(revs) - 1 |
0b564cf359a7
bundle-ng: move progress handling out of the linkrev callback
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19207
diff
changeset
|
572 msgbundling = _('bundling') |
19200
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
573 for r in xrange(len(revs) - 1): |
19208
0b564cf359a7
bundle-ng: move progress handling out of the linkrev callback
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19207
diff
changeset
|
574 if units is not None: |
0b564cf359a7
bundle-ng: move progress handling out of the linkrev callback
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19207
diff
changeset
|
575 self._progress(msgbundling, r + 1, unit=units, total=total) |
19200
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
576 prev, curr = revs[r], revs[r + 1] |
19207
a67e1380dfbd
bundle-ng: simplify lookup and state handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19206
diff
changeset
|
577 linknode = lookup(revlog.node(curr)) |
a67e1380dfbd
bundle-ng: simplify lookup and state handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19206
diff
changeset
|
578 for c in self.revchunk(revlog, curr, prev, linknode): |
19200
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
579 yield c |
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
580 |
24901
e9edd53770fb
changegroup: close progress in same function as it's started
Martin von Zweigbergk <martinvonz@google.com>
parents:
24900
diff
changeset
|
581 if units is not None: |
e9edd53770fb
changegroup: close progress in same function as it's started
Martin von Zweigbergk <martinvonz@google.com>
parents:
24900
diff
changeset
|
582 self._progress(msgbundling, None) |
19200
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
583 yield self.close() |
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
584 |
19289
6ea1f858efd9
bundle: refactor changegroup prune to be its own function
Durham Goode <durham@fb.com>
parents:
19208
diff
changeset
|
585 # filter any nodes that claim to be part of the known set |
24896
9183cb6886ef
changegroup: removed unused 'source' parameter from prune()
Martin von Zweigbergk <martinvonz@google.com>
parents:
24717
diff
changeset
|
586 def prune(self, revlog, missing, commonrevs): |
19289
6ea1f858efd9
bundle: refactor changegroup prune to be its own function
Durham Goode <durham@fb.com>
parents:
19208
diff
changeset
|
587 rr, rl = revlog.rev, revlog.linkrev |
6ea1f858efd9
bundle: refactor changegroup prune to be its own function
Durham Goode <durham@fb.com>
parents:
19208
diff
changeset
|
588 return [n for n in missing if rl(rr(n)) not in commonrevs] |
6ea1f858efd9
bundle: refactor changegroup prune to be its own function
Durham Goode <durham@fb.com>
parents:
19208
diff
changeset
|
589 |
28228
abf120262683
changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents:
28227
diff
changeset
|
590 def _packmanifests(self, dir, mfnodes, lookuplinknode): |
26711
0ef0aec56090
changegroup: move manifest packing into a separate function
Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
591 """Pack flat manifests into a changegroup stream.""" |
28228
abf120262683
changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
592 assert not dir |
30339
6cdfb7e15a35
changegroup: remove remaining uses of repo.manifest
Durham Goode <durham@fb.com>
parents:
30294
diff
changeset
|
593 for chunk in self.group(mfnodes, self._repo.manifestlog._revlog, |
28228
abf120262683
changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents:
28227
diff
changeset
|
594 lookuplinknode, units=_('manifests')): |
26711
0ef0aec56090
changegroup: move manifest packing into a separate function
Augie Fackler <augie@google.com>
parents:
26710
diff
changeset
|
595 yield chunk |
28228
abf120262683
changegroup: make _packmanifests() dumber
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parents:
28227
diff
changeset
|
596 |
abf120262683
changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents:
28227
diff
changeset
|
597 def _manifestsdone(self): |
abf120262683
changegroup: make _packmanifests() dumber
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parents:
28227
diff
changeset
|
598 return '' |
26711
0ef0aec56090
changegroup: move manifest packing into a separate function
Augie Fackler <augie@google.com>
parents:
26710
diff
changeset
|
599 |
19204
e9c5b1c246dc
bundle-ng: move bundle generation to changegroup.py
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19202
diff
changeset
|
600 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>
parents:
19201
diff
changeset
|
601 '''yield a sequence of changegroup chunks (strings)''' |
0455fc94ae00
bundle-ng: move gengroup into bundler, pass repo object to bundler
Sune Foldager <cryo@cyanite.org>
parents:
19201
diff
changeset
|
602 repo = self._repo |
24978
f52560c64953
changegroup: drop _changelog and _manifest properties
Martin von Zweigbergk <martinvonz@google.com>
parents:
24977
diff
changeset
|
603 cl = repo.changelog |
19204
e9c5b1c246dc
bundle-ng: move bundle generation to changegroup.py
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19202
diff
changeset
|
604 |
23381
cc0ff93d0c0c
changegroup: fix file linkrevs during reorders (issue4462)
Durham Goode <durham@fb.com>
parents:
23226
diff
changeset
|
605 clrevorder = {} |
19204
e9c5b1c246dc
bundle-ng: move bundle generation to changegroup.py
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parents:
19202
diff
changeset
|
606 mfs = {} # needed manifests |
e9c5b1c246dc
bundle-ng: move bundle generation to changegroup.py
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parents:
19202
diff
changeset
|
607 fnodes = {} # needed file nodes |
28241
a4286175ecba
changegroup: drop special-casing of flat manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
28240
diff
changeset
|
608 changedfiles = set() |
19204
e9c5b1c246dc
bundle-ng: move bundle generation to changegroup.py
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parents:
19202
diff
changeset
|
609 |
19207
a67e1380dfbd
bundle-ng: simplify lookup and state handling
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19206
diff
changeset
|
610 # Callback for the changelog, used to collect changed files and manifest |
a67e1380dfbd
bundle-ng: simplify lookup and state handling
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diff
changeset
|
611 # nodes. |
a67e1380dfbd
bundle-ng: simplify lookup and state handling
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diff
changeset
|
612 # Returns the linkrev node (identity in the changelog case). |
a67e1380dfbd
bundle-ng: simplify lookup and state handling
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parents:
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diff
changeset
|
613 def lookupcl(x): |
a67e1380dfbd
bundle-ng: simplify lookup and state handling
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parents:
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diff
changeset
|
614 c = cl.read(x) |
23381
cc0ff93d0c0c
changegroup: fix file linkrevs during reorders (issue4462)
Durham Goode <durham@fb.com>
parents:
23226
diff
changeset
|
615 clrevorder[x] = len(clrevorder) |
27237
c08814b48ae5
changegroup: avoid iterating the whole manifest
Augie Fackler <augie@google.com>
parents:
27219
diff
changeset
|
616 n = c[0] |
19207
a67e1380dfbd
bundle-ng: simplify lookup and state handling
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parents:
19206
diff
changeset
|
617 # record the first changeset introducing this manifest version |
27237
c08814b48ae5
changegroup: avoid iterating the whole manifest
Augie Fackler <augie@google.com>
parents:
27219
diff
changeset
|
618 mfs.setdefault(n, x) |
c08814b48ae5
changegroup: avoid iterating the whole manifest
Augie Fackler <augie@google.com>
parents:
27219
diff
changeset
|
619 # Record a complete list of potentially-changed files in |
c08814b48ae5
changegroup: avoid iterating the whole manifest
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parents:
27219
diff
changeset
|
620 # this manifest. |
28241
a4286175ecba
changegroup: drop special-casing of flat manifests
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parents:
28240
diff
changeset
|
621 changedfiles.update(c[3]) |
19207
a67e1380dfbd
bundle-ng: simplify lookup and state handling
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parents:
19206
diff
changeset
|
622 return x |
19204
e9c5b1c246dc
bundle-ng: move bundle generation to changegroup.py
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19202
diff
changeset
|
623 |
23748
4ab66de46a96
bundle: when verbose, show what takes up the space in the generated bundle
Mads Kiilerich <madski@unity3d.com>
parents:
23382
diff
changeset
|
624 self._verbosenote(_('uncompressed size of bundle content:\n')) |
4ab66de46a96
bundle: when verbose, show what takes up the space in the generated bundle
Mads Kiilerich <madski@unity3d.com>
parents:
23382
diff
changeset
|
625 size = 0 |
24912
e285b98c65cc
changegroup.group: drop 'reorder' parameter
Martin von Zweigbergk <martinvonz@google.com>
parents:
24911
diff
changeset
|
626 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:
23382
diff
changeset
|
627 size += len(chunk) |
23224
f4ab47ccefde
changegroup: don't define lookupmf() until it is needed
Gregory Szorc <gregory.szorc@gmail.com>
parents:
22971
diff
changeset
|
628 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
|
629 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
|
630 |
24977
4289383cb9d2
changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents:
24976
diff
changeset
|
631 # 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
|
632 # the first changeset that introduced the manifest or file revision. |
4289383cb9d2
changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents:
24976
diff
changeset
|
633 # The fastpath is usually safer than the slowpath, because the filelogs |
4289383cb9d2
changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents:
24976
diff
changeset
|
634 # are walked in revlog order. |
4289383cb9d2
changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents:
24976
diff
changeset
|
635 # |
4289383cb9d2
changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents:
24976
diff
changeset
|
636 # When taking the slowpath with reorder=None and the manifest revlog |
4289383cb9d2
changegroup: document the cases where reordering complicates linkrevs
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parents:
24976
diff
changeset
|
637 # uses generaldelta, the manifest may be walked in the "wrong" order. |
4289383cb9d2
changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents:
24976
diff
changeset
|
638 # Without 'clrevorder', we would get an incorrect linkrev (see fix in |
4289383cb9d2
changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents:
24976
diff
changeset
|
639 # cc0ff93d0c0c). |
4289383cb9d2
changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents:
24976
diff
changeset
|
640 # |
4289383cb9d2
changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents:
24976
diff
changeset
|
641 # 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
|
642 # of the changelog itself. The changelog never uses generaldelta, so |
4289383cb9d2
changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents:
24976
diff
changeset
|
643 # 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
|
644 # simply take the slowpath, which already has the 'clrevorder' logic. |
4289383cb9d2
changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents:
24976
diff
changeset
|
645 # This was also fixed in cc0ff93d0c0c. |
24976
147d8892fc4b
changegroup: extract condition for linkrev fastpath
Martin von Zweigbergk <martinvonz@google.com>
parents:
24912
diff
changeset
|
646 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
|
647 # 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
|
648 # 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
|
649 # 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
|
650 fastpathlinkrev = fastpathlinkrev and ( |
77d25b913f80
changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents:
27241
diff
changeset
|
651 'treemanifest' not in repo.requirements) |
28227
1c36cc8e7870
changegroup: extract generatemanifests()
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parents:
27953
diff
changeset
|
652 |
1c36cc8e7870
changegroup: extract generatemanifests()
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parents:
27953
diff
changeset
|
653 for chunk in self.generatemanifests(commonrevs, clrevorder, |
28241
a4286175ecba
changegroup: drop special-casing of flat manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
28240
diff
changeset
|
654 fastpathlinkrev, mfs, fnodes): |
28227
1c36cc8e7870
changegroup: extract generatemanifests()
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parents:
27953
diff
changeset
|
655 yield chunk |
1c36cc8e7870
changegroup: extract generatemanifests()
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parents:
27953
diff
changeset
|
656 mfs.clear() |
1c36cc8e7870
changegroup: extract generatemanifests()
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parents:
27953
diff
changeset
|
657 clrevs = set(cl.rev(x) for x in clnodes) |
1c36cc8e7870
changegroup: extract generatemanifests()
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parents:
27953
diff
changeset
|
658 |
1c36cc8e7870
changegroup: extract generatemanifests()
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parents:
27953
diff
changeset
|
659 if not fastpathlinkrev: |
1c36cc8e7870
changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27953
diff
changeset
|
660 def linknodes(unused, fname): |
1c36cc8e7870
changegroup: extract generatemanifests()
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parents:
27953
diff
changeset
|
661 return fnodes.get(fname, {}) |
1c36cc8e7870
changegroup: extract generatemanifests()
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parents:
27953
diff
changeset
|
662 else: |
1c36cc8e7870
changegroup: extract generatemanifests()
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parents:
27953
diff
changeset
|
663 cln = cl.node |
1c36cc8e7870
changegroup: extract generatemanifests()
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parents:
27953
diff
changeset
|
664 def linknodes(filerevlog, fname): |
1c36cc8e7870
changegroup: extract generatemanifests()
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parents:
27953
diff
changeset
|
665 llr = filerevlog.linkrev |
1c36cc8e7870
changegroup: extract generatemanifests()
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parents:
27953
diff
changeset
|
666 fln = filerevlog.node |
1c36cc8e7870
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parents:
27953
diff
changeset
|
667 revs = ((r, llr(r)) for r in filerevlog) |
1c36cc8e7870
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parents:
27953
diff
changeset
|
668 return dict((fln(r), cln(lr)) for r, lr in revs if lr in clrevs) |
1c36cc8e7870
changegroup: extract generatemanifests()
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parents:
27953
diff
changeset
|
669 |
1c36cc8e7870
changegroup: extract generatemanifests()
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parents:
27953
diff
changeset
|
670 for chunk in self.generatefiles(changedfiles, linknodes, commonrevs, |
1c36cc8e7870
changegroup: extract generatemanifests()
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parents:
27953
diff
changeset
|
671 source): |
1c36cc8e7870
changegroup: extract generatemanifests()
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parents:
27953
diff
changeset
|
672 yield chunk |
1c36cc8e7870
changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27953
diff
changeset
|
673 |
1c36cc8e7870
changegroup: extract generatemanifests()
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parents:
27953
diff
changeset
|
674 yield self.close() |
1c36cc8e7870
changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27953
diff
changeset
|
675 |
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676 if clnodes: |
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677 repo.hook('outgoing', node=hex(clnodes[0]), source=source) |
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678 |
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679 def generatemanifests(self, commonrevs, clrevorder, fastpathlinkrev, mfs, |
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680 fnodes): |
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681 repo = self._repo |
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682 mfl = repo.manifestlog |
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683 dirlog = mfl._revlog.dirlog |
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684 tmfnodes = {'': mfs} |
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685 |
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686 # Callback for the manifest, used to collect linkrevs for filelog |
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687 # revisions. |
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688 # Returns the linkrev node (collected in lookupcl). |
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689 def makelookupmflinknode(dir): |
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690 if fastpathlinkrev: |
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691 assert not dir |
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692 return mfs.__getitem__ |
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693 |
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694 def lookupmflinknode(x): |
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695 """Callback for looking up the linknode for manifests. |
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696 |
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697 Returns the linkrev node for the specified manifest. |
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|
698 |
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|
699 SIDE EFFECT: |
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700 |
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|
701 1) fclnodes gets populated with the list of relevant |
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|
702 file nodes if we're not using fastpathlinkrev |
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703 2) When treemanifests are in use, collects treemanifest nodes |
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|
704 to send |
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|
705 |
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|
706 Note that this means manifests must be completely sent to |
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|
707 the client before you can trust the list of files and |
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|
708 treemanifests to send. |
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|
709 """ |
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|
710 clnode = tmfnodes[dir][x] |
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Durham Goode <durham@fb.com>
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711 mdata = mfl.get(dir, x).readfast(shallow=True) |
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712 for p, n, fl in mdata.iterentries(): |
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713 if fl == 't': # subdirectory manifest |
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714 subdir = dir + p + '/' |
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715 tmfclnodes = tmfnodes.setdefault(subdir, {}) |
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716 tmfclnode = tmfclnodes.setdefault(n, clnode) |
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|
717 if clrevorder[clnode] < clrevorder[tmfclnode]: |
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718 tmfclnodes[n] = clnode |
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719 else: |
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|
720 f = dir + p |
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|
721 fclnodes = fnodes.setdefault(f, {}) |
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|
722 fclnode = fclnodes.setdefault(n, clnode) |
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|
723 if clrevorder[clnode] < clrevorder[fclnode]: |
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|
724 fclnodes[n] = clnode |
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|
725 return clnode |
28231
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|
726 return lookupmflinknode |
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|
727 |
28228
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diff
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|
728 size = 0 |
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|
729 while tmfnodes: |
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|
730 dir = min(tmfnodes) |
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|
731 nodes = tmfnodes[dir] |
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|
732 prunednodes = self.prune(dirlog(dir), nodes, commonrevs) |
29371
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|
733 if not dir or prunednodes: |
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|
734 for x in self._packmanifests(dir, prunednodes, |
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735 makelookupmflinknode(dir)): |
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|
736 size += len(x) |
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|
737 yield x |
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|
738 del tmfnodes[dir] |
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changegroup: include subdirectory manifests in verbose size
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739 self._verbosenote(_('%8.i (manifests)\n') % size) |
28228
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|
740 yield self._manifestsdone() |
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|
741 |
24897
5c35a6040352
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|
742 # The 'source' parameter is useful for extensions |
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bundle: move file chunk generation to it's own function
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|
743 def generatefiles(self, changedfiles, linknodes, commonrevs, source): |
95a49112e7ab
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|
744 repo = self._repo |
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|
745 progress = self._progress |
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|
746 msgbundling = _('bundling') |
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diff
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|
747 |
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diff
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|
748 total = len(changedfiles) |
95a49112e7ab
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|
749 # for progress output |
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|
750 msgfiles = _('files') |
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diff
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|
751 for i, fname in enumerate(sorted(changedfiles)): |
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diff
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|
752 filerevlog = repo.file(fname) |
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diff
changeset
|
753 if not filerevlog: |
26587
56b2bcea2529
error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26540
diff
changeset
|
754 raise error.Abort(_("empty or missing revlog for %s") % fname) |
19334
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|
755 |
95a49112e7ab
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diff
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|
756 linkrevnodes = linknodes(filerevlog, fname) |
19207
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diff
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|
757 # Lookup for filenodes, we collected the linkrev nodes above in the |
a67e1380dfbd
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|
758 # fastpath case and with lookupmf in the slowpath case. |
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|
759 def lookupfilelog(x): |
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diff
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|
760 return linkrevnodes[x] |
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|
761 |
24896
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changegroup: removed unused 'source' parameter from prune()
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diff
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|
762 filenodes = self.prune(filerevlog, linkrevnodes, commonrevs) |
19206
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diff
changeset
|
763 if filenodes: |
19208
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parents:
19207
diff
changeset
|
764 progress(msgbundling, i + 1, item=fname, unit=msgfiles, |
0b564cf359a7
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19207
diff
changeset
|
765 total=total) |
23748
4ab66de46a96
bundle: when verbose, show what takes up the space in the generated bundle
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parents:
23382
diff
changeset
|
766 h = self.fileheader(fname) |
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parents:
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diff
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|
767 size = len(h) |
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bundle: when verbose, show what takes up the space in the generated bundle
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changeset
|
768 yield h |
24912
e285b98c65cc
changegroup.group: drop 'reorder' parameter
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parents:
24911
diff
changeset
|
769 for chunk in self.group(filenodes, filerevlog, lookupfilelog): |
23748
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parents:
23382
diff
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|
770 size += len(chunk) |
19202
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bundle-ng: move gengroup into bundler, pass repo object to bundler
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parents:
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diff
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|
771 yield chunk |
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bundle: when verbose, show what takes up the space in the generated bundle
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diff
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|
772 self._verbosenote(_('%8.i %s\n') % (size, fname)) |
24901
e9edd53770fb
changegroup: close progress in same function as it's started
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parents:
24900
diff
changeset
|
773 progress(msgbundling, None) |
19200
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bundle-ng: move group into the bundler
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19199
diff
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|
774 |
23181
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|
775 def deltaparent(self, revlog, rev, p1, p2, prev): |
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|
776 return prev |
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diff
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|
777 |
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diff
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|
778 def revchunk(self, revlog, rev, prev, linknode): |
14143
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|
779 node = revlog.node(rev) |
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14141
diff
changeset
|
780 p1, p2 = revlog.parentrevs(rev) |
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changeset
|
781 base = self.deltaparent(revlog, rev, p1, p2, prev) |
14143
da635d3c5620
changegroup: new bundler API
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diff
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|
782 |
da635d3c5620
changegroup: new bundler API
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parents:
14141
diff
changeset
|
783 prefix = '' |
24190
903c7e8c97ad
changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents:
24180
diff
changeset
|
784 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
|
785 try: |
30743
2df983125d37
revlog: add 'raw' argument to revision and _addrevision
Remi Chaintron <remi@fb.com>
parents:
30628
diff
changeset
|
786 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
|
787 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
|
788 delta = e.tombstone |
903c7e8c97ad
changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents:
24180
diff
changeset
|
789 if base == nullrev: |
903c7e8c97ad
changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents:
24180
diff
changeset
|
790 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
|
791 else: |
903c7e8c97ad
changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents:
24180
diff
changeset
|
792 baselen = revlog.rawsize(base) |
903c7e8c97ad
changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents:
24180
diff
changeset
|
793 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
|
794 elif base == nullrev: |
30743
2df983125d37
revlog: add 'raw' argument to revision and _addrevision
Remi Chaintron <remi@fb.com>
parents:
30628
diff
changeset
|
795 delta = revlog.revision(node, raw=True) |
14143
da635d3c5620
changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
14141
diff
changeset
|
796 prefix = mdiff.trivialdiffheader(len(delta)) |
da635d3c5620
changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
14141
diff
changeset
|
797 else: |
da635d3c5620
changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
14141
diff
changeset
|
798 delta = revlog.revdiff(base, rev) |
da635d3c5620
changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
14141
diff
changeset
|
799 p1n, p2n = revlog.parents(node) |
da635d3c5620
changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
14141
diff
changeset
|
800 basenode = revlog.node(base) |
27433
12f727a5b434
changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents:
27432
diff
changeset
|
801 flags = revlog.flags(rev) |
12f727a5b434
changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents:
27432
diff
changeset
|
802 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
|
803 meta += prefix |
da635d3c5620
changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
14141
diff
changeset
|
804 l = len(meta) + len(delta) |
13831
d69c9510d648
changegroup: introduce bundler objects
Matt Mackall <mpm@selenic.com>
parents:
13786
diff
changeset
|
805 yield chunkheader(l) |
d69c9510d648
changegroup: introduce bundler objects
Matt Mackall <mpm@selenic.com>
parents:
13786
diff
changeset
|
806 yield meta |
14143
da635d3c5620
changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
14141
diff
changeset
|
807 yield delta |
27433
12f727a5b434
changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents:
27432
diff
changeset
|
808 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
|
809 # 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
|
810 # 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
|
811 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
|
812 |
23181
832b7ef275c8
changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents:
23178
diff
changeset
|
813 class cg2packer(cg1packer): |
23896
becfecaf9087
changegroup.writebundle: HG2Y support
Eric Sumner <ericsumner@fb.com>
parents:
23895
diff
changeset
|
814 version = '02' |
23181
832b7ef275c8
changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents:
23178
diff
changeset
|
815 deltaheader = _CHANGEGROUPV2_DELTA_HEADER |
832b7ef275c8
changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents:
23178
diff
changeset
|
816 |
24911
5447b8523fef
cg2packer: set reorder=False in __init__ instead of in group()
Martin von Zweigbergk <martinvonz@google.com>
parents:
24910
diff
changeset
|
817 def __init__(self, repo, bundlecaps=None): |
5447b8523fef
cg2packer: set reorder=False in __init__ instead of in group()
Martin von Zweigbergk <martinvonz@google.com>
parents:
24910
diff
changeset
|
818 super(cg2packer, self).__init__(repo, bundlecaps) |
5447b8523fef
cg2packer: set reorder=False in __init__ instead of in group()
Martin von Zweigbergk <martinvonz@google.com>
parents:
24910
diff
changeset
|
819 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
|
820 # 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
|
821 # 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
|
822 # 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
|
823 self._reorder = False |
23181
832b7ef275c8
changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents:
23178
diff
changeset
|
824 |
832b7ef275c8
changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents:
23178
diff
changeset
|
825 def deltaparent(self, revlog, rev, p1, p2, prev): |
832b7ef275c8
changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents:
23178
diff
changeset
|
826 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
|
827 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
|
828 # 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
|
829 # 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
|
830 # 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
|
831 # 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
|
832 # 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
|
833 # 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
|
834 # a flag and/or config option to control this behavior. |
23181
832b7ef275c8
changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents:
23178
diff
changeset
|
835 return 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
|
836 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
|
837 # 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
|
838 # stick to full snapshot. |
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 return 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
|
840 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
|
841 # 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
|
842 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
|
843 else: |
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
|
844 return dp |
23181
832b7ef275c8
changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents:
23178
diff
changeset
|
845 |
27433
12f727a5b434
changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents:
27432
diff
changeset
|
846 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
|
847 # 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
|
848 return struct.pack(self.deltaheader, node, p1n, p2n, basenode, linknode) |
832b7ef275c8
changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents:
23178
diff
changeset
|
849 |
27432
77d25b913f80
changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents:
27241
diff
changeset
|
850 class cg3packer(cg2packer): |
77d25b913f80
changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents:
27241
diff
changeset
|
851 version = '03' |
27433
12f727a5b434
changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents:
27432
diff
changeset
|
852 deltaheader = _CHANGEGROUPV3_DELTA_HEADER |
27432
77d25b913f80
changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents:
27241
diff
changeset
|
853 |
28228
abf120262683
changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents:
28227
diff
changeset
|
854 def _packmanifests(self, dir, mfnodes, lookuplinknode): |
abf120262683
changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents:
28227
diff
changeset
|
855 if dir: |
abf120262683
changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents:
28227
diff
changeset
|
856 yield self.fileheader(dir) |
30339
6cdfb7e15a35
changegroup: remove remaining uses of repo.manifest
Durham Goode <durham@fb.com>
parents:
30294
diff
changeset
|
857 |
6cdfb7e15a35
changegroup: remove remaining uses of repo.manifest
Durham Goode <durham@fb.com>
parents:
30294
diff
changeset
|
858 dirlog = self._repo.manifestlog._revlog.dirlog(dir) |
6cdfb7e15a35
changegroup: remove remaining uses of repo.manifest
Durham Goode <durham@fb.com>
parents:
30294
diff
changeset
|
859 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
|
860 units=_('manifests')): |
28228
abf120262683
changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents:
28227
diff
changeset
|
861 yield chunk |
abf120262683
changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents:
28227
diff
changeset
|
862 |
abf120262683
changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents:
28227
diff
changeset
|
863 def _manifestsdone(self): |
abf120262683
changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents:
28227
diff
changeset
|
864 return self.close() |
27432
77d25b913f80
changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents:
27241
diff
changeset
|
865 |
27433
12f727a5b434
changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents:
27432
diff
changeset
|
866 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
|
867 return struct.pack( |
12f727a5b434
changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents:
27432
diff
changeset
|
868 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
|
869 |
27751
a40e2f7fe49d
changegroup: hide packermap behind methods
Martin von Zweigbergk <martinvonz@google.com>
parents:
27739
diff
changeset
|
870 _packermap = {'01': (cg1packer, cg1unpacker), |
26709
42733e956887
changegroup: reformat packermap and add comment
Augie Fackler <augie@google.com>
parents:
26708
diff
changeset
|
871 # cg2 adds support for exchanging generaldelta |
42733e956887
changegroup: reformat packermap and add comment
Augie Fackler <augie@google.com>
parents:
26708
diff
changeset
|
872 '02': (cg2packer, cg2unpacker), |
27753
d4071cc73f46
changegroup3: add empty chunk separating directories and files
Martin von Zweigbergk <martinvonz@google.com>
parents:
27752
diff
changeset
|
873 # 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
|
874 '03': (cg3packer, cg3unpacker), |
26709
42733e956887
changegroup: reformat packermap and add comment
Augie Fackler <augie@google.com>
parents:
26708
diff
changeset
|
875 } |
23168
a92ba36a1a9d
changegroup: add a "packermap" dictionary to track different packer versions
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22971
diff
changeset
|
876 |
30627
7ace5304fec5
changegroup: pass 'repo' to allsupportedversions
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30626
diff
changeset
|
877 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
|
878 versions = set(_packermap.keys()) |
30627
7ace5304fec5
changegroup: pass 'repo' to allsupportedversions
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30626
diff
changeset
|
879 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
|
880 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
|
881 'treemanifest' in repo.requirements): |
30626
438532c99b54
changegroup: simplify 'allsupportedversions' logic
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30589
diff
changeset
|
882 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
|
883 return versions |
88609cfa3745
changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27946
diff
changeset
|
884 |
88609cfa3745
changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27946
diff
changeset
|
885 # 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
|
886 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
|
887 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
|
888 |
88609cfa3745
changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27946
diff
changeset
|
889 # 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
|
890 def supportedoutgoingversions(repo): |
30627
7ace5304fec5
changegroup: pass 'repo' to allsupportedversions
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30626
diff
changeset
|
891 versions = allsupportedversions(repo) |
27953
88609cfa3745
changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
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diff
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|
892 if 'treemanifest' in repo.requirements: |
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Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
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|
893 # Versions 01 and 02 support only flat manifests and it's just too |
c0f11347b107
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parents:
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diff
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|
894 # expensive to convert between the flat manifest and tree manifest on |
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parents:
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diff
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|
895 # the fly. Since tree manifests are hashed differently, all of history |
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Martin von Zweigbergk <martinvonz@google.com>
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diff
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|
896 # would have to be converted. Instead, we simply don't even pretend to |
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Martin von Zweigbergk <martinvonz@google.com>
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diff
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|
897 # support versions 01 and 02. |
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diff
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|
898 versions.discard('01') |
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Martin von Zweigbergk <martinvonz@google.com>
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diff
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|
899 versions.discard('02') |
27752
29cfc474c5fd
changegroup3: introduce experimental.changegroup3 boolean config
Martin von Zweigbergk <martinvonz@google.com>
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diff
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|
900 return versions |
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a40e2f7fe49d
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|
901 |
27929
3b2ac2115464
changegroup: introduce safeversion()
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|
902 def safeversion(repo): |
3b2ac2115464
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diff
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|
903 # 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:
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diff
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|
904 # will support. For example, all hg versions that support generaldelta also |
1289a122cf3f
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Martin von Zweigbergk <martinvonz@google.com>
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|
905 # support changegroup 02. |
27953
88609cfa3745
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diff
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|
906 versions = supportedoutgoingversions(repo) |
27929
3b2ac2115464
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diff
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|
907 if 'generaldelta' in repo.requirements: |
3b2ac2115464
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diff
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|
908 versions.discard('01') |
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diff
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|
909 assert versions |
3b2ac2115464
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diff
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|
910 return min(versions) |
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|
911 |
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|
912 def getbundler(version, repo, bundlecaps=None): |
27953
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diff
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|
913 assert version in supportedoutgoingversions(repo) |
27751
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diff
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|
914 return _packermap[version][0](repo, bundlecaps) |
a40e2f7fe49d
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|
915 |
29593
953839de96ab
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Gregory Szorc <gregory.szorc@gmail.com>
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|
916 def getunbundler(version, fh, alg, extras=None): |
953839de96ab
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|
917 return _packermap[version][1](fh, alg, extras=extras) |
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|
918 |
20926
7c1ed40e3325
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Pierre-Yves David <pierre-yves.david@fb.com>
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20925
diff
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|
919 def _changegroupinfo(repo, nodes, source): |
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diff
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|
920 if repo.ui.verbose or source == 'bundle': |
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|
921 repo.ui.status(_("%d changesets found\n") % len(nodes)) |
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diff
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|
922 if repo.ui.debugflag: |
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diff
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|
923 repo.ui.debug("list of changesets:\n") |
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|
924 for node in nodes: |
7c1ed40e3325
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20925
diff
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|
925 repo.ui.debug("%s\n" % hex(node)) |
7c1ed40e3325
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|
926 |
23177
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|
927 def getsubsetraw(repo, outgoing, bundler, source, fastpath=False): |
20925
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|
928 repo = repo.unfiltered() |
5174c48ed8d8
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diff
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|
929 commonrevs = outgoing.common |
5174c48ed8d8
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diff
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|
930 csets = outgoing.missing |
5174c48ed8d8
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diff
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|
931 heads = outgoing.missingheads |
5174c48ed8d8
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diff
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|
932 # We go through the fast path if we get told to, or if all (unfiltered |
5174c48ed8d8
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diff
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|
933 # heads have been requested (since we then know there all linkrevs will |
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parents:
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diff
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|
934 # be pulled by the client). |
5174c48ed8d8
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parents:
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diff
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|
935 heads.sort() |
5174c48ed8d8
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parents:
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diff
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|
936 fastpathlinkrev = fastpath or ( |
5174c48ed8d8
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diff
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|
937 repo.filtername is None and heads == sorted(repo.heads())) |
5174c48ed8d8
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diff
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|
938 |
5174c48ed8d8
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diff
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|
939 repo.hook('preoutgoing', throw=True, source=source) |
20926
7c1ed40e3325
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parents:
20925
diff
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|
940 _changegroupinfo(repo, csets, source) |
23177
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Sune Foldager <cryo@cyanite.org>
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|
941 return bundler.generate(commonrevs, csets, fastpathlinkrev, source) |
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Sune Foldager <cryo@cyanite.org>
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|
942 |
26595
be0489770925
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26587
diff
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|
943 def getsubset(repo, outgoing, bundler, source, fastpath=False): |
23177
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Sune Foldager <cryo@cyanite.org>
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|
944 gengroup = getsubsetraw(repo, outgoing, bundler, source, fastpath) |
29593
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
29371
diff
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|
945 return getunbundler(bundler.version, util.chunkbuffer(gengroup), None, |
953839de96ab
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
29371
diff
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|
946 {'clcount': len(outgoing.missing)}) |
20927
24a443948627
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20926
diff
changeset
|
947 |
23897
f99a6e1865e5
changegroup.getsubset: support multiple versions
Eric Sumner <ericsumner@fb.com>
parents:
23896
diff
changeset
|
948 def changegroupsubset(repo, roots, heads, source, version='01'): |
20927
24a443948627
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parents:
20926
diff
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|
949 """Compute a changegroup consisting of all the nodes that are |
24a443948627
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parents:
20926
diff
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|
950 descendants of any of the roots and ancestors of any of the heads. |
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diff
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|
951 Return a chunkbuffer object whose read() method will return |
24a443948627
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diff
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|
952 successive changegroup chunks. |
24a443948627
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diff
changeset
|
953 |
24a443948627
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20926
diff
changeset
|
954 It is fairly complex as determining which filenodes and which |
24a443948627
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20926
diff
changeset
|
955 manifest nodes need to be included for the changeset to be complete |
24a443948627
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parents:
20926
diff
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|
956 is non-trivial. |
24a443948627
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parents:
20926
diff
changeset
|
957 |
24a443948627
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20926
diff
changeset
|
958 Another wrinkle is doing the reverse, figuring out which changeset in |
24a443948627
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
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diff
changeset
|
959 the changegroup a particular filenode or manifestnode belongs to. |
24a443948627
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parents:
20926
diff
changeset
|
960 """ |
29806
82e8c86cdd6d
outgoing: add a 'missingroots' argument
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29804
diff
changeset
|
961 outgoing = discovery.outgoing(repo, missingroots=roots, missingheads=heads) |
27751
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Martin von Zweigbergk <martinvonz@google.com>
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diff
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|
962 bundler = getbundler(version, repo) |
26595
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Pierre-Yves David <pierre-yves.david@fb.com>
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26587
diff
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|
963 return getsubset(repo, outgoing, bundler, source) |
20927
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diff
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|
964 |
23178
5e895ed5e955
changegroup: allow use of different cg#packer in getchangegroupraw
Sune Foldager <cryo@cyanite.org>
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23177
diff
changeset
|
965 def getlocalchangegroupraw(repo, source, outgoing, bundlecaps=None, |
5e895ed5e955
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Sune Foldager <cryo@cyanite.org>
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23177
diff
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|
966 version='01'): |
23177
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|
967 """Like getbundle, but taking a discovery.outgoing as an argument. |
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|
968 |
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|
969 This is only implemented for local repos and reuses potentially |
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parents:
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diff
changeset
|
970 precomputed sets in outgoing. Returns a raw changegroup generator.""" |
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|
971 if not outgoing.missing: |
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diff
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|
972 return None |
27751
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|
973 bundler = getbundler(version, repo, bundlecaps) |
23177
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|
974 return getsubsetraw(repo, outgoing, bundler, source) |
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Sune Foldager <cryo@cyanite.org>
parents:
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diff
changeset
|
975 |
26508
47a12de9ac3f
changegroup: add version argument to getlocalchangegroup
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26424
diff
changeset
|
976 def getlocalchangegroup(repo, source, outgoing, bundlecaps=None, |
47a12de9ac3f
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diff
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|
977 version='01'): |
20928
91b47139d0cb
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parents:
20927
diff
changeset
|
978 """Like getbundle, but taking a discovery.outgoing as an argument. |
91b47139d0cb
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|
979 |
91b47139d0cb
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diff
changeset
|
980 This is only implemented for local repos and reuses potentially |
91b47139d0cb
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diff
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|
981 precomputed sets in outgoing.""" |
91b47139d0cb
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20927
diff
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|
982 if not outgoing.missing: |
91b47139d0cb
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diff
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|
983 return None |
27751
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|
984 bundler = getbundler(version, repo, bundlecaps) |
20928
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diff
changeset
|
985 return getsubset(repo, outgoing, bundler, source) |
91b47139d0cb
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diff
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|
986 |
29807
d4e026341e16
getchangegroup: take an 'outgoing' object as argument (API)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29806
diff
changeset
|
987 def getchangegroup(repo, source, outgoing, bundlecaps=None, |
26509
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changegroup: add version argument to getchangegroup
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26508
diff
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|
988 version='01'): |
20930
4a987060d97e
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20928
diff
changeset
|
989 """Like changegroupsubset, but returns the set difference between the |
4a987060d97e
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|
990 ancestors of heads and the ancestors common. |
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|
991 |
4a987060d97e
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diff
changeset
|
992 If heads is None, use the local heads. If common is None, use [nullid]. |
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diff
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|
993 |
4a987060d97e
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diff
changeset
|
994 The nodes in common might not all be known locally due to the way the |
4a987060d97e
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20928
diff
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|
995 current discovery protocol works. |
4a987060d97e
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20928
diff
changeset
|
996 """ |
26509
83d82fbefccb
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26508
diff
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997 return getlocalchangegroup(repo, source, outgoing, bundlecaps=bundlecaps, |
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998 version=version) |
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999 |
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1000 def changegroup(repo, basenodes, source): |
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1001 # to avoid a race we use changegroupsubset() (issue1320) |
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1002 return changegroupsubset(repo, basenodes, repo.heads(), source) |
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1003 |
28361
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changegroup: progress for added files is not measured in "chunks"
Martin von Zweigbergk <martinvonz@google.com>
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1004 def _addchangegroupfiles(repo, source, revmap, trp, expectedfiles, needfiles): |
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1005 revisions = 0 |
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1006 files = 0 |
29724
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changegroup: use `iter(callable, sentinel)` instead of while True
Augie Fackler <augie@google.com>
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1007 for chunkdata in iter(source.filelogheader, {}): |
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1008 files += 1 |
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1009 f = chunkdata["filename"] |
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1010 repo.ui.debug("adding %s revisions\n" % f) |
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1011 repo.ui.progress(_('files'), files, unit=_('files'), |
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1012 total=expectedfiles) |
27754
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changegroup3: move treemanifest support into _unpackmanifests()
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1013 fl = repo.file(f) |
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1014 o = len(fl) |
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revlog: in addgroup, reject ill-formed deltas based on censored nodes
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1015 try: |
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1016 if not fl.addgroup(source, revmap, trp): |
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1017 raise error.Abort(_("received file revlog group is empty")) |
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global: mass rewrite to use modern exception syntax
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1018 except error.CensoredBaseError as e: |
26587
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1019 raise error.Abort(_("received delta base is censored: %s") % e) |
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1020 revisions += len(fl) - o |
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1021 if f in needfiles: |
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1022 needs = needfiles[f] |
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1023 for new in xrange(o, len(fl)): |
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1024 n = fl.node(new) |
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1025 if n in needs: |
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1026 needs.remove(n) |
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1027 else: |
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1028 raise error.Abort( |
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1029 _("received spurious file revlog entry")) |
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1030 if not needs: |
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1031 del needfiles[f] |
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1032 repo.ui.progress(_('files'), None) |
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1033 |
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1034 for f, needs in needfiles.iteritems(): |
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1035 fl = repo.file(f) |
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1036 for n in needs: |
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1037 try: |
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1038 fl.rev(n) |
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1039 except error.LookupError: |
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1040 raise error.Abort( |
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1041 _('missing file data for %s:%s - run hg verify') % |
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1042 (f, hex(n))) |
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1043 |
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1044 return revisions, files |