Mercurial > public > mercurial-scm > hg
annotate mercurial/changegroup.py @ 39016:39b8277e2115
changegroup: differentiate between fulltext and diff based deltas
Previously, revisiondelta encoded a delta and an optional prefix
containing a delta header. The underlying code could populate
the delta with either a real delta or a fulltext revision.
Following the theme of wanting to defer serialization of revision
data to the changegroup format as long as possible, it seems
prudent for the revision delta instance to capture what type of
data is being represented. This could possibly allow us to
encode revision data differently in the future. But for the
short term, it makes the behavior of a revisiondelta more
explicit.
Differential Revision: https://phab.mercurial-scm.org/D4213
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Wed, 08 Aug 2018 16:01:26 -0700 |
parents | ad9eccedb379 |
children | ef3d3a2f9aa5 |
rev | line source |
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1 # changegroup.py - Mercurial changegroup manipulation functions |
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2 # |
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3 # Copyright 2006 Matt Mackall <mpm@selenic.com> |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
10263 | 6 # GNU General Public License version 2 or any later version. |
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7 |
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8 from __future__ import absolute_import |
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9 |
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10 import os |
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11 import struct |
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12 import weakref |
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13 |
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14 from .i18n import _ |
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15 from .node import ( |
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16 hex, |
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17 nullid, |
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18 nullrev, |
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19 short, |
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20 ) |
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21 |
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22 from .thirdparty import ( |
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23 attr, |
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24 ) |
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25 |
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26 from . import ( |
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27 dagutil, |
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28 error, |
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29 match as matchmod, |
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30 mdiff, |
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31 phases, |
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32 pycompat, |
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33 repository, |
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34 revlog, |
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35 util, |
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36 ) |
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37 |
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38 from .utils import ( |
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39 stringutil, |
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40 ) |
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41 |
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42 _CHANGEGROUPV1_DELTA_HEADER = struct.Struct("20s20s20s20s") |
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43 _CHANGEGROUPV2_DELTA_HEADER = struct.Struct("20s20s20s20s20s") |
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44 _CHANGEGROUPV3_DELTA_HEADER = struct.Struct(">20s20s20s20s20sH") |
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45 |
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46 LFS_REQUIREMENT = 'lfs' |
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47 |
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48 readexactly = util.readexactly |
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49 |
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50 def getchunk(stream): |
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51 """return the next chunk from stream as a string""" |
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52 d = readexactly(stream, 4) |
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53 l = struct.unpack(">l", d)[0] |
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54 if l <= 4: |
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55 if l: |
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56 raise error.Abort(_("invalid chunk length %d") % l) |
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57 return "" |
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58 return readexactly(stream, l - 4) |
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59 |
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60 def chunkheader(length): |
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61 """return a changegroup chunk header (string)""" |
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62 return struct.pack(">l", length + 4) |
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63 |
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64 def closechunk(): |
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65 """return a changegroup chunk header (string) for a zero-length chunk""" |
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66 return struct.pack(">l", 0) |
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67 |
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68 def _fileheader(path): |
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69 """Obtain a changegroup chunk header for a named path.""" |
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70 return chunkheader(len(path)) + path |
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71 |
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72 def writechunks(ui, chunks, filename, vfs=None): |
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73 """Write chunks to a file and return its filename. |
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74 |
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75 The stream is assumed to be a bundle file. |
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76 Existing files will not be overwritten. |
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77 If no filename is specified, a temporary file is created. |
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78 """ |
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79 fh = None |
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80 cleanup = None |
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81 try: |
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82 if filename: |
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83 if vfs: |
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84 fh = vfs.open(filename, "wb") |
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85 else: |
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86 # Increase default buffer size because default is usually |
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87 # small (4k is common on Linux). |
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88 fh = open(filename, "wb", 131072) |
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89 else: |
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90 fd, filename = pycompat.mkstemp(prefix="hg-bundle-", suffix=".hg") |
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91 fh = os.fdopen(fd, r"wb") |
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92 cleanup = filename |
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93 for c in chunks: |
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94 fh.write(c) |
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95 cleanup = None |
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96 return filename |
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97 finally: |
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98 if fh is not None: |
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99 fh.close() |
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100 if cleanup is not None: |
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101 if filename and vfs: |
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102 vfs.unlink(cleanup) |
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103 else: |
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104 os.unlink(cleanup) |
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105 |
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106 class cg1unpacker(object): |
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107 """Unpacker for cg1 changegroup streams. |
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108 |
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109 A changegroup unpacker handles the framing of the revision data in |
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110 the wire format. Most consumers will want to use the apply() |
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111 method to add the changes from the changegroup to a repository. |
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112 |
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113 If you're forwarding a changegroup unmodified to another consumer, |
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114 use getchunks(), which returns an iterator of changegroup |
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115 chunks. This is mostly useful for cases where you need to know the |
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116 data stream has ended by observing the end of the changegroup. |
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117 |
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118 deltachunk() is useful only if you're applying delta data. Most |
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119 consumers should prefer apply() instead. |
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120 |
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121 A few other public methods exist. Those are used only for |
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122 bundlerepo and some debug commands - their use is discouraged. |
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123 """ |
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124 deltaheader = _CHANGEGROUPV1_DELTA_HEADER |
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125 deltaheadersize = deltaheader.size |
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126 version = '01' |
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127 _grouplistcount = 1 # One list of files after the manifests |
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128 |
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129 def __init__(self, fh, alg, extras=None): |
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130 if alg is None: |
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131 alg = 'UN' |
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132 if alg not in util.compengines.supportedbundletypes: |
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133 raise error.Abort(_('unknown stream compression type: %s') |
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134 % alg) |
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135 if alg == 'BZ': |
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136 alg = '_truncatedBZ' |
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137 |
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138 compengine = util.compengines.forbundletype(alg) |
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139 self._stream = compengine.decompressorreader(fh) |
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140 self._type = alg |
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141 self.extras = extras or {} |
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142 self.callback = None |
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143 |
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144 # These methods (compressed, read, seek, tell) all appear to only |
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145 # be used by bundlerepo, but it's a little hard to tell. |
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146 def compressed(self): |
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147 return self._type is not None and self._type != 'UN' |
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148 def read(self, l): |
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149 return self._stream.read(l) |
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150 def seek(self, pos): |
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151 return self._stream.seek(pos) |
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152 def tell(self): |
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153 return self._stream.tell() |
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154 def close(self): |
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155 return self._stream.close() |
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156 |
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157 def _chunklength(self): |
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158 d = readexactly(self._stream, 4) |
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159 l = struct.unpack(">l", d)[0] |
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160 if l <= 4: |
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161 if l: |
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162 raise error.Abort(_("invalid chunk length %d") % l) |
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163 return 0 |
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164 if self.callback: |
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165 self.callback() |
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166 return l - 4 |
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167 |
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168 def changelogheader(self): |
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169 """v10 does not have a changelog header chunk""" |
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170 return {} |
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171 |
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172 def manifestheader(self): |
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173 """v10 does not have a manifest header chunk""" |
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174 return {} |
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175 |
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176 def filelogheader(self): |
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177 """return the header of the filelogs chunk, v10 only has the filename""" |
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178 l = self._chunklength() |
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179 if not l: |
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180 return {} |
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181 fname = readexactly(self._stream, l) |
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182 return {'filename': fname} |
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183 |
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184 def _deltaheader(self, headertuple, prevnode): |
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185 node, p1, p2, cs = headertuple |
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186 if prevnode is None: |
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187 deltabase = p1 |
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188 else: |
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189 deltabase = prevnode |
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190 flags = 0 |
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191 return node, p1, p2, deltabase, cs, flags |
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192 |
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193 def deltachunk(self, prevnode): |
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194 l = self._chunklength() |
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195 if not l: |
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196 return {} |
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197 headerdata = readexactly(self._stream, self.deltaheadersize) |
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198 header = self.deltaheader.unpack(headerdata) |
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199 delta = readexactly(self._stream, l - self.deltaheadersize) |
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200 node, p1, p2, deltabase, cs, flags = self._deltaheader(header, prevnode) |
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201 return (node, p1, p2, cs, deltabase, delta, flags) |
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202 |
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203 def getchunks(self): |
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204 """returns all the chunks contains in the bundle |
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205 |
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206 Used when you need to forward the binary stream to a file or another |
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207 network API. To do so, it parse the changegroup data, otherwise it will |
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208 block in case of sshrepo because it don't know the end of the stream. |
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209 """ |
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210 # For changegroup 1 and 2, we expect 3 parts: changelog, manifestlog, |
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211 # and a list of filelogs. For changegroup 3, we expect 4 parts: |
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212 # changelog, manifestlog, a list of tree manifestlogs, and a list of |
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213 # filelogs. |
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214 # |
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215 # Changelog and manifestlog parts are terminated with empty chunks. The |
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216 # tree and file parts are a list of entry sections. Each entry section |
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217 # is a series of chunks terminating in an empty chunk. The list of these |
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218 # entry sections is terminated in yet another empty chunk, so we know |
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219 # we've reached the end of the tree/file list when we reach an empty |
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220 # chunk that was proceeded by no non-empty chunks. |
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221 |
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222 parts = 0 |
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223 while parts < 2 + self._grouplistcount: |
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224 noentries = True |
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225 while True: |
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226 chunk = getchunk(self) |
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227 if not chunk: |
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228 # The first two empty chunks represent the end of the |
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229 # changelog and the manifestlog portions. The remaining |
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230 # empty chunks represent either A) the end of individual |
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231 # tree or file entries in the file list, or B) the end of |
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232 # the entire list. It's the end of the entire list if there |
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233 # were no entries (i.e. noentries is True). |
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234 if parts < 2: |
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235 parts += 1 |
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236 elif noentries: |
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237 parts += 1 |
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238 break |
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239 noentries = False |
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240 yield chunkheader(len(chunk)) |
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241 pos = 0 |
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242 while pos < len(chunk): |
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243 next = pos + 2**20 |
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244 yield chunk[pos:next] |
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245 pos = next |
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246 yield closechunk() |
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247 |
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248 def _unpackmanifests(self, repo, revmap, trp, prog): |
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249 self.callback = prog.increment |
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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 deltas = self.deltaiter() |
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256 repo.manifestlog.addgroup(deltas, revmap, trp) |
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257 prog.complete() |
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258 self.callback = None |
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259 |
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260 def apply(self, repo, tr, srctype, url, targetphase=phases.draft, |
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261 expectedtotal=None): |
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262 """Add the changegroup returned by source.read() to this repo. |
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263 srctype is a string like 'push', 'pull', or 'unbundle'. url is |
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264 the URL of the repo where this changegroup is coming from. |
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265 |
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266 Return an integer summarizing the change to this repo: |
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267 - nothing changed or no source: 0 |
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268 - more heads than before: 1+added heads (2..n) |
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269 - fewer heads than before: -1-removed heads (-2..-n) |
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270 - number of heads stays the same: 1 |
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271 """ |
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272 repo = repo.unfiltered() |
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273 def csmap(x): |
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274 repo.ui.debug("add changeset %s\n" % short(x)) |
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275 return len(cl) |
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276 |
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277 def revmap(x): |
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278 return cl.rev(x) |
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279 |
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280 changesets = files = revisions = 0 |
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281 |
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282 try: |
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283 # The transaction may already carry source information. In this |
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284 # case we use the top level data. We overwrite the argument |
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285 # because we need to use the top level value (if they exist) |
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286 # in this function. |
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287 srctype = tr.hookargs.setdefault('source', srctype) |
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288 url = tr.hookargs.setdefault('url', url) |
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289 repo.hook('prechangegroup', |
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290 throw=True, **pycompat.strkwargs(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 = set(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 progress = repo.ui.makeprogress(_('changesets'), unit=_('chunks'), |
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303 total=expectedtotal) |
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304 self.callback = progress.increment |
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305 |
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306 efiles = set() |
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307 def onchangelog(cl, node): |
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308 efiles.update(cl.readfiles(node)) |
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309 |
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310 self.changelogheader() |
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311 deltas = self.deltaiter() |
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312 cgnodes = cl.addgroup(deltas, csmap, trp, addrevisioncb=onchangelog) |
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313 efiles = len(efiles) |
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314 |
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315 if not cgnodes: |
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316 repo.ui.develwarn('applied empty changegroup', |
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317 config='warn-empty-changegroup') |
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318 clend = len(cl) |
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319 changesets = clend - clstart |
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320 progress.complete() |
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321 self.callback = None |
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322 |
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323 # pull off the manifest group |
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324 repo.ui.status(_("adding manifests\n")) |
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325 # We know that we'll never have more manifests than we had |
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326 # changesets. |
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327 progress = repo.ui.makeprogress(_('manifests'), unit=_('chunks'), |
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328 total=changesets) |
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329 self._unpackmanifests(repo, revmap, trp, progress) |
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330 |
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331 needfiles = {} |
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332 if repo.ui.configbool('server', 'validate'): |
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333 cl = repo.changelog |
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334 ml = repo.manifestlog |
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335 # validate incoming csets have their manifests |
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336 for cset in pycompat.xrange(clstart, clend): |
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337 mfnode = cl.changelogrevision(cset).manifest |
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338 mfest = ml[mfnode].readdelta() |
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339 # store file cgnodes we must see |
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340 for f, n in mfest.iteritems(): |
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341 needfiles.setdefault(f, set()).add(n) |
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342 |
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343 # process the files |
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344 repo.ui.status(_("adding file changes\n")) |
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345 newrevs, newfiles = _addchangegroupfiles( |
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346 repo, self, revmap, trp, efiles, needfiles) |
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347 revisions += newrevs |
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348 files += newfiles |
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349 |
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350 deltaheads = 0 |
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351 if oldheads: |
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352 heads = cl.heads() |
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353 deltaheads = len(heads) - len(oldheads) |
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354 for h in heads: |
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355 if h not in oldheads and repo[h].closesbranch(): |
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356 deltaheads -= 1 |
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357 htext = "" |
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358 if deltaheads: |
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359 htext = _(" (%+d heads)") % deltaheads |
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360 |
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361 repo.ui.status(_("added %d changesets" |
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362 " with %d changes to %d files%s\n") |
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363 % (changesets, revisions, files, htext)) |
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364 repo.invalidatevolatilesets() |
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365 |
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366 if changesets > 0: |
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367 if 'node' not in tr.hookargs: |
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368 tr.hookargs['node'] = hex(cl.node(clstart)) |
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369 tr.hookargs['node_last'] = hex(cl.node(clend - 1)) |
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370 hookargs = dict(tr.hookargs) |
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371 else: |
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372 hookargs = dict(tr.hookargs) |
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373 hookargs['node'] = hex(cl.node(clstart)) |
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374 hookargs['node_last'] = hex(cl.node(clend - 1)) |
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375 repo.hook('pretxnchangegroup', |
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376 throw=True, **pycompat.strkwargs(hookargs)) |
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377 |
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378 added = [cl.node(r) for r in pycompat.xrange(clstart, clend)] |
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379 phaseall = None |
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380 if srctype in ('push', 'serve'): |
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381 # Old servers can not push the boundary themselves. |
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382 # New servers won't push the boundary if changeset already |
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383 # exists locally as secret |
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384 # |
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385 # We should not use added here but the list of all change in |
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386 # the bundle |
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387 if repo.publishing(): |
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388 targetphase = phaseall = phases.public |
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389 else: |
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390 # closer target phase computation |
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391 |
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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 targetphase = phaseall = phases.draft |
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397 if added: |
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398 phases.registernew(repo, tr, targetphase, added) |
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399 if phaseall is not None: |
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400 phases.advanceboundary(repo, tr, phaseall, cgnodes) |
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401 |
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402 if changesets > 0: |
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403 |
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404 def runhooks(): |
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405 # These hooks run when the lock releases, not when the |
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406 # transaction closes. So it's possible for the changelog |
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407 # to have changed since we last saw it. |
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408 if clstart >= len(repo): |
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409 return |
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410 |
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411 repo.hook("changegroup", **pycompat.strkwargs(hookargs)) |
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412 |
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413 for n in added: |
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414 args = hookargs.copy() |
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415 args['node'] = hex(n) |
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416 del args['node_last'] |
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417 repo.hook("incoming", **pycompat.strkwargs(args)) |
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418 |
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419 newheads = [h for h in repo.heads() |
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420 if h not in oldheads] |
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421 repo.ui.log("incoming", |
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422 "%d incoming changes - new heads: %s\n", |
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423 len(added), |
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424 ', '.join([hex(c[:6]) for c in newheads])) |
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425 |
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426 tr.addpostclose('changegroup-runhooks-%020i' % clstart, |
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427 lambda tr: repo._afterlock(runhooks)) |
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428 finally: |
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429 repo.ui.flush() |
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430 # never return 0 here: |
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431 if deltaheads < 0: |
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432 ret = deltaheads - 1 |
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433 else: |
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434 ret = deltaheads + 1 |
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435 return ret |
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|
436 |
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|
437 def deltaiter(self): |
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|
438 """ |
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439 returns an iterator of the deltas in this changegroup |
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440 |
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441 Useful for passing to the underlying storage system to be stored. |
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442 """ |
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443 chain = None |
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444 for chunkdata in iter(lambda: self.deltachunk(chain), {}): |
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445 # Chunkdata: (node, p1, p2, cs, deltabase, delta, flags) |
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446 yield chunkdata |
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447 chain = chunkdata[0] |
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|
448 |
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|
449 class cg2unpacker(cg1unpacker): |
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450 """Unpacker for cg2 streams. |
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|
451 |
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|
452 cg2 streams add support for generaldelta, so the delta header |
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453 format is slightly different. All other features about the data |
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|
454 remain the same. |
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|
455 """ |
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456 deltaheader = _CHANGEGROUPV2_DELTA_HEADER |
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457 deltaheadersize = deltaheader.size |
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458 version = '02' |
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|
459 |
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|
460 def _deltaheader(self, headertuple, prevnode): |
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|
461 node, p1, p2, deltabase, cs = headertuple |
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462 flags = 0 |
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|
463 return node, p1, p2, deltabase, cs, flags |
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|
464 |
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465 class cg3unpacker(cg2unpacker): |
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466 """Unpacker for cg3 streams. |
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|
467 |
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|
468 cg3 streams add support for exchanging treemanifests and revlog |
27753
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|
469 flags. It adds the revlog flags to the delta header and an empty chunk |
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|
470 separating manifests and files. |
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471 """ |
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|
472 deltaheader = _CHANGEGROUPV3_DELTA_HEADER |
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473 deltaheadersize = deltaheader.size |
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|
474 version = '03' |
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|
475 _grouplistcount = 2 # One list of manifests and one list of files |
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|
476 |
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|
477 def _deltaheader(self, headertuple, prevnode): |
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478 node, p1, p2, deltabase, cs, flags = headertuple |
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479 return node, p1, p2, deltabase, cs, flags |
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|
480 |
38346
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|
481 def _unpackmanifests(self, repo, revmap, trp, prog): |
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|
482 super(cg3unpacker, self)._unpackmanifests(repo, revmap, trp, prog) |
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|
483 for chunkdata in iter(self.filelogheader, {}): |
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|
484 # If we get here, there are directory manifests in the changegroup |
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|
485 d = chunkdata["filename"] |
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|
486 repo.ui.debug("adding %s revisions\n" % d) |
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487 dirlog = repo.manifestlog._revlog.dirlog(d) |
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488 deltas = self.deltaiter() |
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|
489 if not dirlog.addgroup(deltas, revmap, trp): |
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|
490 raise error.Abort(_("received dir revlog group is empty")) |
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|
491 |
12329
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|
492 class headerlessfixup(object): |
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493 def __init__(self, fh, h): |
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494 self._h = h |
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|
495 self._fh = fh |
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|
496 def read(self, n): |
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|
497 if self._h: |
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|
498 d, self._h = self._h[:n], self._h[n:] |
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|
499 if len(d) < n: |
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|
500 d += readexactly(self._fh, n - len(d)) |
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|
501 return d |
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|
502 return readexactly(self._fh, n) |
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|
503 |
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|
504 @attr.s(slots=True, frozen=True) |
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505 class revisiondelta(object): |
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506 """Describes a delta entry in a changegroup. |
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|
507 |
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|
508 Captured data is sufficient to serialize the delta into multiple |
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|
509 formats. |
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|
510 |
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|
511 ``revision`` and ``delta`` are mutually exclusive. |
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|
512 """ |
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|
513 # 20 byte node of this revision. |
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|
514 node = attr.ib() |
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|
515 # 20 byte nodes of parent revisions. |
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|
516 p1node = attr.ib() |
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|
517 p2node = attr.ib() |
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|
518 # 20 byte node of node this delta is against. |
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|
519 basenode = attr.ib() |
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|
520 # 20 byte node of changeset revision this delta is associated with. |
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|
521 linknode = attr.ib() |
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|
522 # 2 bytes of flags to apply to revision data. |
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|
523 flags = attr.ib() |
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|
524 # Size of base revision this delta is against. May be None if |
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|
525 # basenode is nullid. |
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|
526 baserevisionsize = attr.ib() |
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|
527 # Raw fulltext revision data. |
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|
528 revision = attr.ib() |
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|
529 # Delta between the basenode and node. |
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|
530 delta = attr.ib() |
38883
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|
531 |
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|
532 def _revisiondeltatochunks(delta, headerfn): |
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|
533 """Serialize a revisiondelta to changegroup chunks.""" |
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|
534 |
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|
535 # The captured revision delta may be encoded as a delta against |
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|
536 # a base revision or as a full revision. The changegroup format |
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|
537 # requires that everything on the wire be deltas. So for full |
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|
538 # revisions, we need to invent a header that says to rewrite |
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|
539 # data. |
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|
540 |
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|
541 if delta.delta is not None: |
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|
542 prefix, data = b'', delta.delta |
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|
543 elif delta.basenode == nullid: |
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|
544 data = delta.revision |
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|
545 prefix = mdiff.trivialdiffheader(len(data)) |
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|
546 else: |
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|
547 data = delta.revision |
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|
548 prefix = mdiff.replacediffheader(delta.baserevisionsize, |
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|
549 len(data)) |
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|
550 |
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|
551 meta = headerfn(delta) |
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|
552 |
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|
553 yield chunkheader(len(meta) + len(prefix) + len(data)) |
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|
554 yield meta |
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555 if prefix: |
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|
556 yield prefix |
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|
557 yield data |
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|
558 |
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|
559 def _sortnodesnormal(store, nodes, reorder): |
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|
560 """Sort nodes for changegroup generation and turn into revnums.""" |
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|
561 # for generaldelta revlogs, we linearize the revs; this will both be |
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|
562 # much quicker and generate a much smaller bundle |
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563 if (store._generaldelta and reorder is None) or reorder: |
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564 dag = dagutil.revlogdag(store) |
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565 return dag.linearize(set(store.rev(n) for n in nodes)) |
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566 else: |
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567 return sorted([store.rev(n) for n in nodes]) |
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568 |
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569 def _sortnodesellipsis(store, nodes, cl, lookup): |
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570 """Sort nodes for changegroup generation and turn into revnums.""" |
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571 # Ellipses serving mode. |
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572 # |
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573 # In a perfect world, we'd generate better ellipsis-ified graphs |
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574 # for non-changelog revlogs. In practice, we haven't started doing |
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575 # that yet, so the resulting DAGs for the manifestlog and filelogs |
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576 # are actually full of bogus parentage on all the ellipsis |
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577 # nodes. This has the side effect that, while the contents are |
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578 # correct, the individual DAGs might be completely out of whack in |
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579 # a case like 882681bc3166 and its ancestors (back about 10 |
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580 # revisions or so) in the main hg repo. |
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581 # |
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582 # The one invariant we *know* holds is that the new (potentially |
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583 # bogus) DAG shape will be valid if we order the nodes in the |
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584 # order that they're introduced in dramatis personae by the |
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585 # changelog, so what we do is we sort the non-changelog histories |
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586 # by the order in which they are used by the changelog. |
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587 key = lambda n: cl.rev(lookup(n)) |
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588 return [store.rev(n) for n in sorted(nodes, key=key)] |
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589 |
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590 def _revisiondeltanormal(store, rev, prev, linknode, deltaparentfn): |
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591 """Construct a revision delta for non-ellipses changegroup generation.""" |
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592 node = store.node(rev) |
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593 p1, p2 = store.parentrevs(rev) |
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594 base = deltaparentfn(store, rev, p1, p2, prev) |
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595 |
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596 revision = None |
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597 delta = None |
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598 baserevisionsize = None |
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599 |
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600 if store.iscensored(base) or store.iscensored(rev): |
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601 try: |
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602 revision = store.revision(node, raw=True) |
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603 except error.CensoredNodeError as e: |
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604 revision = e.tombstone |
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605 |
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606 if base != nullrev: |
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607 baserevisionsize = store.rawsize(base) |
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608 |
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609 elif base == nullrev: |
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610 revision = store.revision(node, raw=True) |
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611 else: |
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612 delta = store.revdiff(base, rev) |
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613 |
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614 p1n, p2n = store.parents(node) |
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615 |
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616 return revisiondelta( |
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617 node=node, |
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618 p1node=p1n, |
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619 p2node=p2n, |
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620 basenode=store.node(base), |
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621 linknode=linknode, |
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622 flags=store.flags(rev), |
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623 baserevisionsize=baserevisionsize, |
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624 revision=revision, |
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625 delta=delta, |
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626 ) |
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627 |
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628 def _revisiondeltanarrow(cl, store, ischangelog, rev, linkrev, |
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629 linknode, clrevtolocalrev, fullclnodes, |
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630 precomputedellipsis): |
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631 linkparents = precomputedellipsis[linkrev] |
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632 def local(clrev): |
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633 """Turn a changelog revnum into a local revnum. |
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634 |
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635 The ellipsis dag is stored as revnums on the changelog, |
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636 but when we're producing ellipsis entries for |
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637 non-changelog revlogs, we need to turn those numbers into |
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638 something local. This does that for us, and during the |
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639 changelog sending phase will also expand the stored |
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640 mappings as needed. |
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641 """ |
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642 if clrev == nullrev: |
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643 return nullrev |
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644 |
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645 if ischangelog: |
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646 return clrev |
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647 |
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648 # Walk the ellipsis-ized changelog breadth-first looking for a |
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649 # change that has been linked from the current revlog. |
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650 # |
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651 # For a flat manifest revlog only a single step should be necessary |
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652 # as all relevant changelog entries are relevant to the flat |
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653 # manifest. |
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654 # |
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655 # For a filelog or tree manifest dirlog however not every changelog |
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656 # entry will have been relevant, so we need to skip some changelog |
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657 # nodes even after ellipsis-izing. |
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658 walk = [clrev] |
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659 while walk: |
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660 p = walk[0] |
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661 walk = walk[1:] |
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662 if p in clrevtolocalrev: |
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663 return clrevtolocalrev[p] |
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664 elif p in fullclnodes: |
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665 walk.extend([pp for pp in cl.parentrevs(p) |
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666 if pp != nullrev]) |
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667 elif p in precomputedellipsis: |
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668 walk.extend([pp for pp in precomputedellipsis[p] |
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669 if pp != nullrev]) |
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670 else: |
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671 # In this case, we've got an ellipsis with parents |
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672 # outside the current bundle (likely an |
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673 # incremental pull). We "know" that we can use the |
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674 # value of this same revlog at whatever revision |
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675 # is pointed to by linknode. "Know" is in scare |
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676 # quotes because I haven't done enough examination |
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677 # of edge cases to convince myself this is really |
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678 # a fact - it works for all the (admittedly |
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679 # thorough) cases in our testsuite, but I would be |
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680 # somewhat unsurprised to find a case in the wild |
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681 # where this breaks down a bit. That said, I don't |
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682 # know if it would hurt anything. |
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683 for i in pycompat.xrange(rev, 0, -1): |
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684 if store.linkrev(i) == clrev: |
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685 return i |
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686 # We failed to resolve a parent for this node, so |
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687 # we crash the changegroup construction. |
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688 raise error.Abort( |
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689 'unable to resolve parent while packing %r %r' |
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690 ' for changeset %r' % (store.indexfile, rev, clrev)) |
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|
691 |
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692 return nullrev |
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|
693 |
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|
694 if not linkparents or ( |
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695 store.parentrevs(rev) == (nullrev, nullrev)): |
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|
696 p1, p2 = nullrev, nullrev |
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697 elif len(linkparents) == 1: |
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|
698 p1, = sorted(local(p) for p in linkparents) |
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|
699 p2 = nullrev |
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700 else: |
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|
701 p1, p2 = sorted(local(p) for p in linkparents) |
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|
702 |
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|
703 n = store.node(rev) |
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704 p1n, p2n = store.node(p1), store.node(p2) |
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|
705 flags = store.flags(rev) |
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706 flags |= revlog.REVIDX_ELLIPSIS |
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|
707 |
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708 # TODO: try and actually send deltas for ellipsis data blocks |
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|
709 |
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710 return revisiondelta( |
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711 node=n, |
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712 p1node=p1n, |
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|
713 p2node=p2n, |
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|
714 basenode=nullid, |
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715 linknode=linknode, |
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|
716 flags=flags, |
39016
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|
717 baserevisionsize=None, |
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|
718 revision=store.revision(n), |
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719 delta=None, |
39004
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|
720 ) |
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|
721 |
39009
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|
722 def deltagroup(repo, revs, store, ischangelog, lookup, deltaparentfn, |
39014
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|
723 units=None, |
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|
724 ellipses=False, clrevtolocalrev=None, fullclnodes=None, |
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|
725 precomputedellipsis=None): |
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726 """Calculate deltas for a set of revisions. |
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727 |
39014
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|
728 Is a generator of ``revisiondelta`` instances. |
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|
729 |
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|
730 If units is not None, progress detail will be generated, units specifies |
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|
731 the type of revlog that is touched (changelog, manifest, etc.). |
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|
732 """ |
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|
733 if not revs: |
39009
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|
734 return |
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|
735 |
9e8eb2b444e5
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|
736 cl = repo.changelog |
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|
737 |
39015
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|
738 # Add the parent of the first rev. |
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|
739 revs.insert(0, store.parentrevs(revs[0])[0]) |
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740 |
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|
741 # build deltas |
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|
742 progress = None |
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|
743 if units is not None: |
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|
744 progress = repo.ui.makeprogress(_('bundling'), unit=units, |
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745 total=(len(revs) - 1)) |
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|
746 |
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|
747 for i in pycompat.xrange(len(revs) - 1): |
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748 if progress: |
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|
749 progress.update(i + 1) |
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|
750 |
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|
751 prev = revs[i] |
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752 curr = revs[i + 1] |
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|
753 |
39009
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754 linknode = lookup(store.node(curr)) |
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755 |
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|
756 if ellipses: |
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|
757 linkrev = cl.rev(linknode) |
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758 clrevtolocalrev[linkrev] = curr |
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|
759 |
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|
760 # This is a node to send in full, because the changeset it |
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761 # corresponds to was a full changeset. |
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|
762 if linknode in fullclnodes: |
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|
763 delta = _revisiondeltanormal(store, curr, prev, linknode, |
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|
764 deltaparentfn) |
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|
765 elif linkrev not in precomputedellipsis: |
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|
766 delta = None |
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767 else: |
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|
768 delta = _revisiondeltanarrow( |
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769 cl, store, ischangelog, curr, linkrev, linknode, |
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770 clrevtolocalrev, fullclnodes, |
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|
771 precomputedellipsis) |
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772 else: |
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773 delta = _revisiondeltanormal(store, curr, prev, linknode, |
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774 deltaparentfn) |
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|
775 |
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776 if delta: |
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|
777 yield delta |
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778 |
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779 if progress: |
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780 progress.complete() |
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|
781 |
38902
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diff
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|
782 class cgpacker(object): |
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changegroup: control reordering via constructor argument
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|
783 def __init__(self, repo, filematcher, version, allowreorder, |
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|
784 deltaparentfn, builddeltaheader, manifestsend, |
38925
8a13855c8dbe
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Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
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|
785 bundlecaps=None, ellipses=False, |
38909
1af339c22aeb
changegroup: move fullnodes into cgpacker
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
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|
786 shallow=False, ellipsisroots=None, fullnodes=None): |
19202
0455fc94ae00
bundle-ng: move gengroup into bundler, pass repo object to bundler
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parents:
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diff
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|
787 """Given a source repo, construct a bundler. |
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df3cf9422e1b
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diff
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|
788 |
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1d01cf0416a5
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diff
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|
789 filematcher is a matcher that matches on files to include in the |
1d01cf0416a5
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parents:
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diff
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|
790 changegroup. Used to facilitate sparse changegroups. |
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parents:
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diff
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|
791 |
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|
792 allowreorder controls whether reordering of revisions is allowed. |
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|
793 This value is used when ``bundle.reorder`` is ``auto`` or isn't |
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|
794 set. |
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|
795 |
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diff
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|
796 deltaparentfn is a callable that resolves the delta parent for |
87b737b78bd0
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diff
changeset
|
797 a specific revision. |
38901
23ae0c07a3e1
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
798 |
38897
bd64b8b8f0dd
changegroup: pass function to build delta header into constructor
Gregory Szorc <gregory.szorc@gmail.com>
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diff
changeset
|
799 builddeltaheader is a callable that constructs the header for a group |
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|
800 delta. |
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Gregory Szorc <gregory.szorc@gmail.com>
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diff
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|
801 |
38898
67f37e8a5490
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
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|
802 manifestsend is a chunk to send after manifests have been fully emitted. |
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diff
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|
803 |
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1469584ad5fe
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parents:
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diff
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|
804 ellipses indicates whether ellipsis serving mode is enabled. |
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|
805 |
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diff
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|
806 bundlecaps is optional and can be used to specify the set of |
df3cf9422e1b
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diff
changeset
|
807 capabilities which can be used to build the bundle. While bundlecaps is |
df3cf9422e1b
changegroup: add bundlecaps back
Durham Goode <durham@fb.com>
parents:
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diff
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|
808 unused in core Mercurial, extensions rely on this feature to communicate |
df3cf9422e1b
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Durham Goode <durham@fb.com>
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diff
changeset
|
809 capabilities to customize the changegroup packer. |
38904
cdb9bc216771
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|
810 |
cdb9bc216771
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|
811 shallow indicates whether shallow data might be sent. The packer may |
cdb9bc216771
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|
812 need to pack file contents not introduced by the changes being packed. |
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1af339c22aeb
changegroup: move fullnodes into cgpacker
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|
813 |
38996
5baafb8fe253
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|
814 fullnodes is the set of changelog nodes which should not be ellipsis |
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|
815 nodes. We store this rather than the set of nodes that should be |
5baafb8fe253
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|
816 ellipsis because for very large histories we expect this to be |
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|
817 significantly smaller. |
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|
818 """ |
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|
819 assert filematcher |
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|
820 self._filematcher = filematcher |
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|
821 |
38895
d7ac49c2353c
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diff
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|
822 self.version = version |
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|
823 self._deltaparentfn = deltaparentfn |
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diff
changeset
|
824 self._builddeltaheader = builddeltaheader |
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diff
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|
825 self._manifestsend = manifestsend |
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|
826 self._ellipses = ellipses |
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|
827 |
32287
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|
828 # Set of capabilities we can use to build the bundle. |
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diff
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|
829 if bundlecaps is None: |
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parents:
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diff
changeset
|
830 bundlecaps = set() |
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|
831 self._bundlecaps = bundlecaps |
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diff
changeset
|
832 self._isshallow = shallow |
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|
833 self._fullclnodes = fullnodes |
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|
834 |
38907
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|
835 # Maps ellipsis revs to their roots at the changelog level. |
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diff
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|
836 self._precomputedellipsis = ellipsisroots |
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diff
changeset
|
837 |
25831
578fc97904da
generaldelta: mark experimental reordering option
Matt Mackall <mpm@selenic.com>
parents:
25823
diff
changeset
|
838 # experimental config: bundle.reorder |
33183
9f95f0bb343b
configitems: register the 'bundle.reorder' config
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33036
diff
changeset
|
839 reorder = repo.ui.config('bundle', 'reorder') |
19202
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|
840 if reorder == 'auto': |
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|
841 self._reorder = allowreorder |
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|
842 else: |
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|
843 self._reorder = stringutil.parsebool(reorder) |
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|
844 |
19202
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diff
changeset
|
845 self._repo = repo |
38900
6e999a2d8fe7
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diff
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|
846 |
23748
4ab66de46a96
bundle: when verbose, show what takes up the space in the generated bundle
Mads Kiilerich <madski@unity3d.com>
parents:
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diff
changeset
|
847 if self._repo.ui.verbose and not self._repo.ui.debugflag: |
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diff
changeset
|
848 self._verbosenote = self._repo.ui.note |
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Mads Kiilerich <madski@unity3d.com>
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diff
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|
849 else: |
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Mads Kiilerich <madski@unity3d.com>
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diff
changeset
|
850 self._verbosenote = lambda s: None |
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diff
changeset
|
851 |
19204
e9c5b1c246dc
bundle-ng: move bundle generation to changegroup.py
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19202
diff
changeset
|
852 def generate(self, commonrevs, clnodes, fastpathlinkrev, source): |
38976
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|
853 """Yield a sequence of changegroup byte chunks.""" |
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|
854 |
19202
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Sune Foldager <cryo@cyanite.org>
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diff
changeset
|
855 repo = self._repo |
24978
f52560c64953
changegroup: drop _changelog and _manifest properties
Martin von Zweigbergk <martinvonz@google.com>
parents:
24977
diff
changeset
|
856 cl = repo.changelog |
19204
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
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diff
changeset
|
857 |
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|
858 self._verbosenote(_('uncompressed size of bundle content:\n')) |
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|
859 size = 0 |
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changeset
|
860 |
39014
d662959dc881
changegroup: emit revisiondelta instances from deltagroup()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
861 clstate, deltas = self._generatechangelog(cl, clnodes) |
d662959dc881
changegroup: emit revisiondelta instances from deltagroup()
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diff
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|
862 for delta in deltas: |
d662959dc881
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|
863 for chunk in _revisiondeltatochunks(delta, self._builddeltaheader): |
d662959dc881
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|
864 size += len(chunk) |
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|
865 yield chunk |
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|
866 |
39010
fcdab6629dde
changegroup: emit delta group close chunk outside of deltagroup()
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diff
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|
867 close = closechunk() |
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|
868 size += len(close) |
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|
869 yield closechunk() |
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changeset
|
870 |
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|
871 self._verbosenote(_('%8.i (changelog)\n') % size) |
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|
872 |
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|
873 clrevorder = clstate['clrevorder'] |
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|
874 mfs = clstate['mfs'] |
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|
875 changedfiles = clstate['changedfiles'] |
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|
876 |
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|
877 # We need to make sure that the linkrev in the changegroup refers to |
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|
878 # the first changeset that introduced the manifest or file revision. |
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|
879 # The fastpath is usually safer than the slowpath, because the filelogs |
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880 # are walked in revlog order. |
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|
881 # |
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|
882 # When taking the slowpath with reorder=None and the manifest revlog |
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|
883 # uses generaldelta, the manifest may be walked in the "wrong" order. |
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|
884 # Without 'clrevorder', we would get an incorrect linkrev (see fix in |
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|
885 # cc0ff93d0c0c). |
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|
886 # |
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|
887 # When taking the fastpath, we are only vulnerable to reordering |
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|
888 # of the changelog itself. The changelog never uses generaldelta, so |
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|
889 # it is only reordered when reorder=True. To handle this case, we |
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|
890 # simply take the slowpath, which already has the 'clrevorder' logic. |
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|
891 # This was also fixed in cc0ff93d0c0c. |
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|
892 fastpathlinkrev = fastpathlinkrev and not self._reorder |
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|
893 # Treemanifests don't work correctly with fastpathlinkrev |
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|
894 # either, because we don't discover which directory nodes to |
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|
895 # send along with files. This could probably be fixed. |
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|
896 fastpathlinkrev = fastpathlinkrev and ( |
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|
897 'treemanifest' not in repo.requirements) |
f7228c907ef4
changegroup: factor changelog chunk generation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
898 |
f7228c907ef4
changegroup: factor changelog chunk generation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
899 fnodes = {} # needed file nodes |
f7228c907ef4
changegroup: factor changelog chunk generation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
900 |
39011
2ebdd265fe8c
changegroup: move size tracking and end of manifests to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39010
diff
changeset
|
901 size = 0 |
39012
c921ad9cae08
changegroup: move manifest chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39011
diff
changeset
|
902 it = self.generatemanifests( |
c921ad9cae08
changegroup: move manifest chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39011
diff
changeset
|
903 commonrevs, clrevorder, fastpathlinkrev, mfs, fnodes, source, |
c921ad9cae08
changegroup: move manifest chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39011
diff
changeset
|
904 clstate['clrevtomanifestrev']) |
c921ad9cae08
changegroup: move manifest chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39011
diff
changeset
|
905 |
39014
d662959dc881
changegroup: emit revisiondelta instances from deltagroup()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39013
diff
changeset
|
906 for dir, deltas in it: |
39012
c921ad9cae08
changegroup: move manifest chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39011
diff
changeset
|
907 if dir: |
c921ad9cae08
changegroup: move manifest chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39011
diff
changeset
|
908 assert self.version == b'03' |
c921ad9cae08
changegroup: move manifest chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39011
diff
changeset
|
909 chunk = _fileheader(dir) |
c921ad9cae08
changegroup: move manifest chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39011
diff
changeset
|
910 size += len(chunk) |
c921ad9cae08
changegroup: move manifest chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39011
diff
changeset
|
911 yield chunk |
c921ad9cae08
changegroup: move manifest chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39011
diff
changeset
|
912 |
39014
d662959dc881
changegroup: emit revisiondelta instances from deltagroup()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39013
diff
changeset
|
913 for delta in deltas: |
d662959dc881
changegroup: emit revisiondelta instances from deltagroup()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39013
diff
changeset
|
914 chunks = _revisiondeltatochunks(delta, self._builddeltaheader) |
d662959dc881
changegroup: emit revisiondelta instances from deltagroup()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39013
diff
changeset
|
915 for chunk in chunks: |
d662959dc881
changegroup: emit revisiondelta instances from deltagroup()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39013
diff
changeset
|
916 size += len(chunk) |
d662959dc881
changegroup: emit revisiondelta instances from deltagroup()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39013
diff
changeset
|
917 yield chunk |
39012
c921ad9cae08
changegroup: move manifest chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39011
diff
changeset
|
918 |
c921ad9cae08
changegroup: move manifest chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39011
diff
changeset
|
919 close = closechunk() |
c921ad9cae08
changegroup: move manifest chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39011
diff
changeset
|
920 size += len(close) |
c921ad9cae08
changegroup: move manifest chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39011
diff
changeset
|
921 yield close |
38976
f7228c907ef4
changegroup: factor changelog chunk generation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
922 |
39011
2ebdd265fe8c
changegroup: move size tracking and end of manifests to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39010
diff
changeset
|
923 self._verbosenote(_('%8.i (manifests)\n') % size) |
2ebdd265fe8c
changegroup: move size tracking and end of manifests to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39010
diff
changeset
|
924 yield self._manifestsend |
2ebdd265fe8c
changegroup: move size tracking and end of manifests to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39010
diff
changeset
|
925 |
38983
fbbda9ff3deb
changegroup: pass mfdicts properly
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38982
diff
changeset
|
926 mfdicts = None |
fbbda9ff3deb
changegroup: pass mfdicts properly
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38982
diff
changeset
|
927 if self._ellipses and self._isshallow: |
fbbda9ff3deb
changegroup: pass mfdicts properly
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38982
diff
changeset
|
928 mfdicts = [(self._repo.manifestlog[n].read(), lr) |
fbbda9ff3deb
changegroup: pass mfdicts properly
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38982
diff
changeset
|
929 for (n, lr) in mfs.iteritems()] |
38976
f7228c907ef4
changegroup: factor changelog chunk generation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
930 |
f7228c907ef4
changegroup: factor changelog chunk generation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
931 mfs.clear() |
f7228c907ef4
changegroup: factor changelog chunk generation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
932 clrevs = set(cl.rev(x) for x in clnodes) |
f7228c907ef4
changegroup: factor changelog chunk generation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
933 |
39013
c4a2d19d393a
changegroup: move file chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39012
diff
changeset
|
934 it = self.generatefiles(changedfiles, commonrevs, |
c4a2d19d393a
changegroup: move file chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39012
diff
changeset
|
935 source, mfdicts, fastpathlinkrev, |
c4a2d19d393a
changegroup: move file chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39012
diff
changeset
|
936 fnodes, clrevs) |
c4a2d19d393a
changegroup: move file chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39012
diff
changeset
|
937 |
39014
d662959dc881
changegroup: emit revisiondelta instances from deltagroup()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39013
diff
changeset
|
938 for path, deltas in it: |
39013
c4a2d19d393a
changegroup: move file chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39012
diff
changeset
|
939 h = _fileheader(path) |
c4a2d19d393a
changegroup: move file chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39012
diff
changeset
|
940 size = len(h) |
c4a2d19d393a
changegroup: move file chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39012
diff
changeset
|
941 yield h |
c4a2d19d393a
changegroup: move file chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39012
diff
changeset
|
942 |
39014
d662959dc881
changegroup: emit revisiondelta instances from deltagroup()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39013
diff
changeset
|
943 for delta in deltas: |
d662959dc881
changegroup: emit revisiondelta instances from deltagroup()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39013
diff
changeset
|
944 chunks = _revisiondeltatochunks(delta, self._builddeltaheader) |
d662959dc881
changegroup: emit revisiondelta instances from deltagroup()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39013
diff
changeset
|
945 for chunk in chunks: |
d662959dc881
changegroup: emit revisiondelta instances from deltagroup()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39013
diff
changeset
|
946 size += len(chunk) |
d662959dc881
changegroup: emit revisiondelta instances from deltagroup()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39013
diff
changeset
|
947 yield chunk |
39013
c4a2d19d393a
changegroup: move file chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39012
diff
changeset
|
948 |
c4a2d19d393a
changegroup: move file chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39012
diff
changeset
|
949 close = closechunk() |
c4a2d19d393a
changegroup: move file chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39012
diff
changeset
|
950 size += len(close) |
c4a2d19d393a
changegroup: move file chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39012
diff
changeset
|
951 yield close |
c4a2d19d393a
changegroup: move file chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39012
diff
changeset
|
952 |
c4a2d19d393a
changegroup: move file chunk emission to generate()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39012
diff
changeset
|
953 self._verbosenote(_('%8.i %s\n') % (size, path)) |
38976
f7228c907ef4
changegroup: factor changelog chunk generation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
954 |
39002
eb8a0139ace3
changegroup: inline _close()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
39001
diff
changeset
|
955 yield closechunk() |
38976
f7228c907ef4
changegroup: factor changelog chunk generation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
956 |
f7228c907ef4
changegroup: factor changelog chunk generation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
957 if clnodes: |
f7228c907ef4
changegroup: factor changelog chunk generation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
958 repo.hook('outgoing', node=hex(clnodes[0]), source=source) |
f7228c907ef4
changegroup: factor changelog chunk generation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
959 |
f7228c907ef4
changegroup: factor changelog chunk generation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
960 def _generatechangelog(self, cl, nodes): |
f7228c907ef4
changegroup: factor changelog chunk generation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
961 """Generate data for changelog chunks. |
f7228c907ef4
changegroup: factor changelog chunk generation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
962 |
f7228c907ef4
changegroup: factor changelog chunk generation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
963 Returns a 2-tuple of a dict containing state and an iterable of |
f7228c907ef4
changegroup: factor changelog chunk generation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
964 byte chunks. The state will not be fully populated until the |
f7228c907ef4
changegroup: factor changelog chunk generation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
965 chunk stream has been fully consumed. |
f7228c907ef4
changegroup: factor changelog chunk generation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
966 """ |
23381
cc0ff93d0c0c
changegroup: fix file linkrevs during reorders (issue4462)
Durham Goode <durham@fb.com>
parents:
23226
diff
changeset
|
967 clrevorder = {} |
19204
e9c5b1c246dc
bundle-ng: move bundle generation to changegroup.py
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19202
diff
changeset
|
968 mfs = {} # needed manifests |
38976
f7228c907ef4
changegroup: factor changelog chunk generation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38975
diff
changeset
|
969 mfl = self._repo.manifestlog |
38890
d706c77449f9
changegroup: move generate() modifications from narrow
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38889
diff
changeset
|
970 # TODO violates storage abstraction. |
d706c77449f9
changegroup: move generate() modifications from narrow
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38889
diff
changeset
|
971 mfrevlog = mfl._revlog |
28241
a4286175ecba
changegroup: drop special-casing of flat manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
28240
diff
changeset
|
972 changedfiles = set() |
38998
40374b4a780f
changegroup: track changelog to manifest revision map explicitly
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38997
diff
changeset
|
973 clrevtomanifestrev = {} |
19204
e9c5b1c246dc
bundle-ng: move bundle generation to changegroup.py
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19202
diff
changeset
|
974 |
38890
d706c77449f9
changegroup: move generate() modifications from narrow
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38889
diff
changeset
|
975 # Callback for the changelog, used to collect changed files and |
d706c77449f9
changegroup: move generate() modifications from narrow
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38889
diff
changeset
|
976 # manifest nodes. |
19207
a67e1380dfbd
bundle-ng: simplify lookup and state handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19206
diff
changeset
|
977 # Returns the linkrev node (identity in the changelog case). |
a67e1380dfbd
bundle-ng: simplify lookup and state handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19206
diff
changeset
|
978 def lookupcl(x): |
a67e1380dfbd
bundle-ng: simplify lookup and state handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19206
diff
changeset
|
979 c = cl.read(x) |
23381
cc0ff93d0c0c
changegroup: fix file linkrevs during reorders (issue4462)
Durham Goode <durham@fb.com>
parents:
23226
diff
changeset
|
980 clrevorder[x] = len(clrevorder) |
38890
d706c77449f9
changegroup: move generate() modifications from narrow
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38889
diff
changeset
|
981 |
38908
1469584ad5fe
changegroup: specify ellipses mode explicitly
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38907
diff
changeset
|
982 if self._ellipses: |
38890
d706c77449f9
changegroup: move generate() modifications from narrow
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38889
diff
changeset
|
983 # Only update mfs if x is going to be sent. Otherwise we |
d706c77449f9
changegroup: move generate() modifications from narrow
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38889
diff
changeset
|
984 # end up with bogus linkrevs specified for manifests and |
d706c77449f9
changegroup: move generate() modifications from narrow
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38889
diff
changeset
|
985 # we skip some manifest nodes that we should otherwise |
d706c77449f9
changegroup: move generate() modifications from narrow
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38889
diff
changeset
|
986 # have sent. |
38996
5baafb8fe253
changegroup: rename _fullnodes to _fullclnodes
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38995
diff
changeset
|
987 if (x in self._fullclnodes |
38907
ad4c4cc9a5ac
changegroup: pass ellipsis roots into cgpacker constructor
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38906
diff
changeset
|
988 or cl.rev(x) in self._precomputedellipsis): |
38890
d706c77449f9
changegroup: move generate() modifications from narrow
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38889
diff
changeset
|
989 n = c[0] |
d706c77449f9
changegroup: move generate() modifications from narrow
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38889
diff
changeset
|
990 # Record the first changeset introducing this manifest |
d706c77449f9
changegroup: move generate() modifications from narrow
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38889
diff
changeset
|
991 # version. |
d706c77449f9
changegroup: move generate() modifications from narrow
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38889
diff
changeset
|
992 mfs.setdefault(n, x) |
d706c77449f9
changegroup: move generate() modifications from narrow
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38889
diff
changeset
|
993 # Set this narrow-specific dict so we have the lowest |
d706c77449f9
changegroup: move generate() modifications from narrow
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38889
diff
changeset
|
994 # manifest revnum to look up for this cl revnum. (Part of |
d706c77449f9
changegroup: move generate() modifications from narrow
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38889
diff
changeset
|
995 # mapping changelog ellipsis parents to manifest ellipsis |
d706c77449f9
changegroup: move generate() modifications from narrow
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38889
diff
changeset
|
996 # parents) |
38998
40374b4a780f
changegroup: track changelog to manifest revision map explicitly
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38997
diff
changeset
|
997 clrevtomanifestrev.setdefault(cl.rev(x), mfrevlog.rev(n)) |
38890
d706c77449f9
changegroup: move generate() modifications from narrow
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38889
diff
changeset
|
998 # We can't trust the changed files list in the changeset if the |
d706c77449f9
changegroup: move generate() modifications from narrow
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38889
diff
changeset
|
999 # client requested a shallow clone. |
38904
cdb9bc216771
changegroup: declare shallow flag in constructor
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38903
diff
changeset
|
1000 if self._isshallow: |
38890
d706c77449f9
changegroup: move generate() modifications from narrow
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38889
diff
changeset
|
1001 changedfiles.update(mfl[c[0]].read().keys()) |
d706c77449f9
changegroup: move generate() modifications from narrow
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38889
diff
changeset
|
1002 else: |
d706c77449f9
changegroup: move generate() modifications from narrow
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38889
diff
changeset
|
1003 changedfiles.update(c[3]) |
d706c77449f9
changegroup: move generate() modifications from narrow
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38889
diff
changeset
|
1004 else: |
d706c77449f9
changegroup: move generate() modifications from narrow
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38889
diff
changeset
|
1005 |
d706c77449f9
changegroup: move generate() modifications from narrow
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38889
diff
changeset
|
1006 n = c[0] |
d706c77449f9
changegroup: move generate() modifications from narrow
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38889
diff
changeset
|
1007 # record the first changeset introducing this manifest version |
d706c77449f9
changegroup: move generate() modifications from narrow
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38889
diff
changeset
|
1008 mfs.setdefault(n, x) |
d706c77449f9
changegroup: move generate() modifications from narrow
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38889
diff
changeset
|
1009 # Record a complete list of potentially-changed files in |
d706c77449f9
changegroup: move generate() modifications from narrow
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38889
diff
changeset
|
1010 # this manifest. |
d706c77449f9
changegroup: move generate() modifications from narrow
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38889
diff
changeset
|
1011 changedfiles.update(c[3]) |
d706c77449f9
changegroup: move generate() modifications from narrow
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38889
diff
changeset
|
1012 |
19207
a67e1380dfbd
bundle-ng: simplify lookup and state handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19206
diff
changeset
|
1013 return x |
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1014 |
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1015 # Changelog doesn't benefit from reordering revisions. So send out |
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1016 # revisions in store order. |
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1017 revs = sorted(cl.rev(n) for n in nodes) |
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1018 |
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1019 state = { |
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1020 'clrevorder': clrevorder, |
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1021 'mfs': mfs, |
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1022 'changedfiles': changedfiles, |
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1023 'clrevtomanifestrev': clrevtomanifestrev, |
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1024 } |
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|
1025 |
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1026 gen = deltagroup( |
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1027 self._repo, revs, cl, True, lookupcl, |
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1028 self._deltaparentfn, |
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1029 ellipses=self._ellipses, |
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1030 units=_('changesets'), |
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1031 clrevtolocalrev={}, |
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1032 fullclnodes=self._fullclnodes, |
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1033 precomputedellipsis=self._precomputedellipsis) |
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1034 |
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1035 return state, gen |
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1036 |
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1037 def generatemanifests(self, commonrevs, clrevorder, fastpathlinkrev, mfs, |
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1038 fnodes, source, clrevtolocalrev): |
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1039 """Returns an iterator of changegroup chunks containing manifests. |
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1040 |
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1041 `source` is unused here, but is used by extensions like remotefilelog to |
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1042 change what is sent based in pulls vs pushes, etc. |
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1043 """ |
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1044 repo = self._repo |
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1045 cl = repo.changelog |
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1046 mfl = repo.manifestlog |
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1047 dirlog = mfl._revlog.dirlog |
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1048 tmfnodes = {'': mfs} |
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1049 |
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1050 # Callback for the manifest, used to collect linkrevs for filelog |
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1051 # revisions. |
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1052 # Returns the linkrev node (collected in lookupcl). |
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1053 def makelookupmflinknode(dir, nodes): |
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1054 if fastpathlinkrev: |
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1055 assert not dir |
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|
1056 return mfs.__getitem__ |
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|
1057 |
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1058 def lookupmflinknode(x): |
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1059 """Callback for looking up the linknode for manifests. |
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1060 |
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1061 Returns the linkrev node for the specified manifest. |
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|
1062 |
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1063 SIDE EFFECT: |
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1064 |
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1065 1) fclnodes gets populated with the list of relevant |
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|
1066 file nodes if we're not using fastpathlinkrev |
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1067 2) When treemanifests are in use, collects treemanifest nodes |
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|
1068 to send |
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|
1069 |
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|
1070 Note that this means manifests must be completely sent to |
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|
1071 the client before you can trust the list of files and |
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|
1072 treemanifests to send. |
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1073 """ |
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1074 clnode = nodes[x] |
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1075 mdata = mfl.get(dir, x).readfast(shallow=True) |
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1076 for p, n, fl in mdata.iterentries(): |
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1077 if fl == 't': # subdirectory manifest |
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1078 subdir = dir + p + '/' |
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1079 tmfclnodes = tmfnodes.setdefault(subdir, {}) |
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1080 tmfclnode = tmfclnodes.setdefault(n, clnode) |
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1081 if clrevorder[clnode] < clrevorder[tmfclnode]: |
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1082 tmfclnodes[n] = clnode |
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1083 else: |
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1084 f = dir + p |
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1085 fclnodes = fnodes.setdefault(f, {}) |
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1086 fclnode = fclnodes.setdefault(n, clnode) |
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1087 if clrevorder[clnode] < clrevorder[fclnode]: |
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|
1088 fclnodes[n] = clnode |
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|
1089 return clnode |
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|
1090 return lookupmflinknode |
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|
1091 |
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|
1092 while tmfnodes: |
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1093 dir, nodes = tmfnodes.popitem() |
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1094 store = dirlog(dir) |
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|
1095 |
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1096 if not self._filematcher.visitdir(store._dir[:-1] or '.'): |
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1097 prunednodes = [] |
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1098 else: |
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1099 frev, flr = store.rev, store.linkrev |
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1100 prunednodes = [n for n in nodes |
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1101 if flr(frev(n)) not in commonrevs] |
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|
1102 |
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1103 if dir and not prunednodes: |
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1104 continue |
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|
1105 |
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|
1106 lookupfn = makelookupmflinknode(dir, nodes) |
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1107 |
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1108 if self._ellipses: |
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1109 revs = _sortnodesellipsis(store, prunednodes, cl, |
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1110 lookupfn) |
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1111 else: |
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|
1112 revs = _sortnodesnormal(store, prunednodes, |
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|
1113 self._reorder) |
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1114 |
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|
1115 deltas = deltagroup( |
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|
1116 self._repo, revs, store, False, lookupfn, |
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|
1117 self._deltaparentfn, |
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|
1118 ellipses=self._ellipses, |
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|
1119 units=_('manifests'), |
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|
1120 clrevtolocalrev=clrevtolocalrev, |
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|
1121 fullclnodes=self._fullclnodes, |
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|
1122 precomputedellipsis=self._precomputedellipsis) |
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|
1123 |
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|
1124 yield dir, deltas |
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1125 |
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1126 # The 'source' parameter is useful for extensions |
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1127 def generatefiles(self, changedfiles, commonrevs, source, |
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1128 mfdicts, fastpathlinkrev, fnodes, clrevs): |
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1129 changedfiles = list(filter(self._filematcher, changedfiles)) |
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1130 |
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1131 if not fastpathlinkrev: |
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1132 def normallinknodes(unused, fname): |
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1133 return fnodes.get(fname, {}) |
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1134 else: |
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1135 cln = self._repo.changelog.node |
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1136 |
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1137 def normallinknodes(store, fname): |
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1138 flinkrev = store.linkrev |
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1139 fnode = store.node |
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1140 revs = ((r, flinkrev(r)) for r in store) |
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1141 return dict((fnode(r), cln(lr)) |
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1142 for r, lr in revs if lr in clrevs) |
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1143 |
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1144 clrevtolocalrev = {} |
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1145 |
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1146 if self._isshallow: |
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1147 # In a shallow clone, the linknodes callback needs to also include |
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1148 # those file nodes that are in the manifests we sent but weren't |
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1149 # introduced by those manifests. |
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1150 commonctxs = [self._repo[c] for c in commonrevs] |
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1151 clrev = self._repo.changelog.rev |
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1152 |
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1153 # Defining this function has a side-effect of overriding the |
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1154 # function of the same name that was passed in as an argument. |
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1155 # TODO have caller pass in appropriate function. |
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1156 def linknodes(flog, fname): |
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1157 for c in commonctxs: |
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1158 try: |
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1159 fnode = c.filenode(fname) |
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1160 clrevtolocalrev[c.rev()] = flog.rev(fnode) |
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1161 except error.ManifestLookupError: |
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1162 pass |
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1163 links = normallinknodes(flog, fname) |
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1164 if len(links) != len(mfdicts): |
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1165 for mf, lr in mfdicts: |
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1166 fnode = mf.get(fname, None) |
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1167 if fnode in links: |
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1168 links[fnode] = min(links[fnode], lr, key=clrev) |
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1169 elif fnode: |
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1170 links[fnode] = lr |
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1171 return links |
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1172 else: |
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1173 linknodes = normallinknodes |
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1174 |
19334
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1175 repo = self._repo |
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1176 cl = repo.changelog |
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1177 progress = repo.ui.makeprogress(_('bundling'), unit=_('files'), |
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1178 total=len(changedfiles)) |
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1179 for i, fname in enumerate(sorted(changedfiles)): |
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1180 filerevlog = repo.file(fname) |
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1181 if not filerevlog: |
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1182 raise error.Abort(_("empty or missing file data for %s") % |
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1183 fname) |
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1184 |
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1185 clrevtolocalrev.clear() |
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1186 |
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|
1187 linkrevnodes = linknodes(filerevlog, fname) |
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|
1188 # Lookup for filenodes, we collected the linkrev nodes above in the |
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1189 # fastpath case and with lookupmf in the slowpath case. |
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1190 def lookupfilelog(x): |
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1191 return linkrevnodes[x] |
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1192 |
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1193 frev, flr = filerevlog.rev, filerevlog.linkrev |
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1194 filenodes = [n for n in linkrevnodes |
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1195 if flr(frev(n)) not in commonrevs] |
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1196 |
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1197 if filenodes: |
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1198 if self._ellipses: |
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1199 revs = _sortnodesellipsis(filerevlog, filenodes, |
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1200 cl, lookupfilelog) |
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1201 else: |
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1202 revs = _sortnodesnormal(filerevlog, filenodes, |
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1203 self._reorder) |
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1204 |
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|
1205 progress.update(i + 1, item=fname) |
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1206 |
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1207 deltas = deltagroup( |
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1208 self._repo, revs, filerevlog, False, lookupfilelog, |
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1209 self._deltaparentfn, |
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1210 ellipses=self._ellipses, |
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1211 clrevtolocalrev=clrevtolocalrev, |
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1212 fullclnodes=self._fullclnodes, |
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1213 precomputedellipsis=self._precomputedellipsis) |
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1214 |
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1215 yield fname, deltas |
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1216 |
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|
1217 progress.complete() |
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1218 |
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1219 def _deltaparentprev(store, rev, p1, p2, prev): |
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1220 """Resolve a delta parent to the previous revision. |
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1221 |
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1222 Used for version 1 changegroups, which don't support generaldelta. |
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1223 """ |
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1224 return prev |
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1225 |
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1226 def _deltaparentgeneraldelta(store, rev, p1, p2, prev): |
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1227 """Resolve a delta parent when general deltas are supported.""" |
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1228 dp = store.deltaparent(rev) |
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1229 if dp == nullrev and store.storedeltachains: |
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1230 # Avoid sending full revisions when delta parent is null. Pick prev |
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1231 # in that case. It's tempting to pick p1 in this case, as p1 will |
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1232 # be smaller in the common case. However, computing a delta against |
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1233 # p1 may require resolving the raw text of p1, which could be |
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1234 # expensive. The revlog caches should have prev cached, meaning |
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1235 # less CPU for changegroup generation. There is likely room to add |
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1236 # a flag and/or config option to control this behavior. |
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diff
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|
1237 base = prev |
87b737b78bd0
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Gregory Szorc <gregory.szorc@gmail.com>
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diff
changeset
|
1238 elif dp == nullrev: |
87b737b78bd0
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parents:
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diff
changeset
|
1239 # revlog is configured to use full snapshot for a reason, |
87b737b78bd0
changegroup: pass function to resolve delta parents into constructor
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
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|
1240 # stick to full snapshot. |
87b737b78bd0
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Gregory Szorc <gregory.szorc@gmail.com>
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diff
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|
1241 base = nullrev |
87b737b78bd0
changegroup: pass function to resolve delta parents into constructor
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parents:
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diff
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|
1242 elif dp not in (p1, p2, prev): |
87b737b78bd0
changegroup: pass function to resolve delta parents into constructor
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parents:
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diff
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|
1243 # Pick prev when we can't be sure remote has the base revision. |
87b737b78bd0
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parents:
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diff
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|
1244 return prev |
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diff
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|
1245 else: |
87b737b78bd0
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parents:
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diff
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|
1246 base = dp |
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|
1247 |
87b737b78bd0
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parents:
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diff
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|
1248 if base != nullrev and not store.candelta(base, rev): |
87b737b78bd0
changegroup: pass function to resolve delta parents into constructor
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
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|
1249 base = nullrev |
87b737b78bd0
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diff
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|
1250 |
87b737b78bd0
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diff
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|
1251 return base |
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diff
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|
1252 |
87b737b78bd0
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diff
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|
1253 def _deltaparentellipses(store, rev, p1, p2, prev): |
87b737b78bd0
changegroup: pass function to resolve delta parents into constructor
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parents:
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diff
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|
1254 """Resolve a delta parent when in ellipses mode.""" |
87b737b78bd0
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38974
diff
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|
1255 # TODO: send better deltas when in narrow mode. |
87b737b78bd0
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diff
changeset
|
1256 # |
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changeset
|
1257 # changegroup.group() loops over revisions to send, |
87b737b78bd0
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diff
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|
1258 # including revisions we'll skip. What this means is that |
87b737b78bd0
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parents:
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diff
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|
1259 # `prev` will be a potentially useless delta base for all |
87b737b78bd0
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diff
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|
1260 # ellipsis nodes, as the client likely won't have it. In |
87b737b78bd0
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changeset
|
1261 # the future we should do bookkeeping about which nodes |
87b737b78bd0
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diff
changeset
|
1262 # have been sent to the client, and try to be |
87b737b78bd0
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diff
changeset
|
1263 # significantly smarter about delta bases. This is |
87b737b78bd0
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|
1264 # slightly tricky because this same code has to work for |
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diff
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|
1265 # all revlogs, and we don't have the linkrev/linknode here. |
87b737b78bd0
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|
1266 return p1 |
87b737b78bd0
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|
1267 |
38908
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diff
changeset
|
1268 def _makecg1packer(repo, filematcher, bundlecaps, ellipses=False, |
38909
1af339c22aeb
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parents:
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diff
changeset
|
1269 shallow=False, ellipsisroots=None, fullnodes=None): |
38897
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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|
1270 builddeltaheader = lambda d: _CHANGEGROUPV1_DELTA_HEADER.pack( |
bd64b8b8f0dd
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diff
changeset
|
1271 d.node, d.p1node, d.p2node, d.linknode) |
27432
77d25b913f80
changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents:
27241
diff
changeset
|
1272 |
38902
4c99c6d1ef95
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parents:
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diff
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|
1273 return cgpacker(repo, filematcher, b'01', |
38975
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|
1274 deltaparentfn=_deltaparentprev, |
38902
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diff
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|
1275 allowreorder=None, |
4c99c6d1ef95
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diff
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|
1276 builddeltaheader=builddeltaheader, |
4c99c6d1ef95
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|
1277 manifestsend=b'', |
38904
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changegroup: declare shallow flag in constructor
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diff
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|
1278 bundlecaps=bundlecaps, |
38908
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|
1279 ellipses=ellipses, |
38907
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diff
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|
1280 shallow=shallow, |
38909
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|
1281 ellipsisroots=ellipsisroots, |
1af339c22aeb
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diff
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|
1282 fullnodes=fullnodes) |
38894
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|
1283 |
38908
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diff
changeset
|
1284 def _makecg2packer(repo, filematcher, bundlecaps, ellipses=False, |
38909
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diff
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|
1285 shallow=False, ellipsisroots=None, fullnodes=None): |
38897
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|
1286 builddeltaheader = lambda d: _CHANGEGROUPV2_DELTA_HEADER.pack( |
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|
1287 d.node, d.p1node, d.p2node, d.basenode, d.linknode) |
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|
1288 |
38900
6e999a2d8fe7
changegroup: control reordering via constructor argument
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
1289 # Since generaldelta is directly supported by cg2, reordering |
6e999a2d8fe7
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38899
diff
changeset
|
1290 # generally doesn't help, so we disable it by default (treating |
6e999a2d8fe7
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diff
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|
1291 # bundle.reorder=auto just like bundle.reorder=False). |
38902
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changegroup: rename cg1packer to cgpacker
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|
1292 return cgpacker(repo, filematcher, b'02', |
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|
1293 deltaparentfn=_deltaparentgeneraldelta, |
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|
1294 allowreorder=False, |
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|
1295 builddeltaheader=builddeltaheader, |
4c99c6d1ef95
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|
1296 manifestsend=b'', |
38904
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diff
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|
1297 bundlecaps=bundlecaps, |
38908
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|
1298 ellipses=ellipses, |
38907
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|
1299 shallow=shallow, |
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|
1300 ellipsisroots=ellipsisroots, |
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|
1301 fullnodes=fullnodes) |
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|
1302 |
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|
1303 def _makecg3packer(repo, filematcher, bundlecaps, ellipses=False, |
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|
1304 shallow=False, ellipsisroots=None, fullnodes=None): |
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|
1305 builddeltaheader = lambda d: _CHANGEGROUPV3_DELTA_HEADER.pack( |
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|
1306 d.node, d.p1node, d.p2node, d.basenode, d.linknode, d.flags) |
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|
1307 |
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|
1308 deltaparentfn = (_deltaparentellipses if ellipses |
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|
1309 else _deltaparentgeneraldelta) |
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|
1310 |
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|
1311 return cgpacker(repo, filematcher, b'03', |
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|
1312 deltaparentfn=deltaparentfn, |
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|
1313 allowreorder=False, |
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|
1314 builddeltaheader=builddeltaheader, |
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|
1315 manifestsend=closechunk(), |
38904
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|
1316 bundlecaps=bundlecaps, |
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|
1317 ellipses=ellipses, |
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|
1318 shallow=shallow, |
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|
1319 ellipsisroots=ellipsisroots, |
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|
1320 fullnodes=fullnodes) |
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|
1321 |
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|
1322 _packermap = {'01': (_makecg1packer, cg1unpacker), |
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|
1323 # cg2 adds support for exchanging generaldelta |
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|
1324 '02': (_makecg2packer, cg2unpacker), |
27753
d4071cc73f46
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|
1325 # cg3 adds support for exchanging revlog flags and treemanifests |
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|
1326 '03': (_makecg3packer, cg3unpacker), |
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|
1327 } |
23168
a92ba36a1a9d
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Pierre-Yves David <pierre-yves.david@fb.com>
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22971
diff
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|
1328 |
30627
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|
1329 def allsupportedversions(repo): |
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|
1330 versions = set(_packermap.keys()) |
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|
1331 if not (repo.ui.configbool('experimental', 'changegroup3') or |
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|
1332 repo.ui.configbool('experimental', 'treemanifest') or |
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changeset
|
1333 'treemanifest' in repo.requirements): |
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438532c99b54
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|
1334 versions.discard('03') |
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|
1335 return versions |
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|
1336 |
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|
1337 # Changegroup versions that can be applied to the repo |
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|
1338 def supportedincomingversions(repo): |
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|
1339 return allsupportedversions(repo) |
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|
1340 |
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|
1341 # Changegroup versions that can be created from the repo |
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|
1342 def supportedoutgoingversions(repo): |
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|
1343 versions = allsupportedversions(repo) |
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|
1344 if 'treemanifest' in repo.requirements: |
27928
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changeset
|
1345 # Versions 01 and 02 support only flat manifests and it's just too |
c0f11347b107
changegroup: don't support versions 01 and 02 with treemanifests
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parents:
27920
diff
changeset
|
1346 # expensive to convert between the flat manifest and tree manifest on |
c0f11347b107
changegroup: don't support versions 01 and 02 with treemanifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
1347 # the fly. Since tree manifests are hashed differently, all of history |
c0f11347b107
changegroup: don't support versions 01 and 02 with treemanifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
1348 # would have to be converted. Instead, we simply don't even pretend to |
c0f11347b107
changegroup: don't support versions 01 and 02 with treemanifests
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parents:
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diff
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|
1349 # support versions 01 and 02. |
c0f11347b107
changegroup: don't support versions 01 and 02 with treemanifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
1350 versions.discard('01') |
c0f11347b107
changegroup: don't support versions 01 and 02 with treemanifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
1351 versions.discard('02') |
38835
a232e6744ba3
narrow: move requirement constant from changegroup to repository
Martin von Zweigbergk <martinvonz@google.com>
parents:
38806
diff
changeset
|
1352 if repository.NARROW_REQUIREMENT in repo.requirements: |
36465
94709406f10d
narrow: move changegroup.supportedoutgoingversions() override to core
Martin von Zweigbergk <martinvonz@google.com>
parents:
36464
diff
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|
1353 # Versions 01 and 02 don't support revlog flags, and we need to |
94709406f10d
narrow: move changegroup.supportedoutgoingversions() override to core
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diff
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|
1354 # support that for stripping and unbundling to work. |
94709406f10d
narrow: move changegroup.supportedoutgoingversions() override to core
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
1355 versions.discard('01') |
94709406f10d
narrow: move changegroup.supportedoutgoingversions() override to core
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
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|
1356 versions.discard('02') |
37132
a54113fcc8c9
lfs: move the 'supportedoutgoingversions' handling to changegroup.py
Matt Harbison <matt_harbison@yahoo.com>
parents:
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diff
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|
1357 if LFS_REQUIREMENT in repo.requirements: |
a54113fcc8c9
lfs: move the 'supportedoutgoingversions' handling to changegroup.py
Matt Harbison <matt_harbison@yahoo.com>
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diff
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|
1358 # Versions 01 and 02 don't support revlog flags, and we need to |
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lfs: move the 'supportedoutgoingversions' handling to changegroup.py
Matt Harbison <matt_harbison@yahoo.com>
parents:
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diff
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|
1359 # mark LFS entries with REVIDX_EXTSTORED. |
a54113fcc8c9
lfs: move the 'supportedoutgoingversions' handling to changegroup.py
Matt Harbison <matt_harbison@yahoo.com>
parents:
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diff
changeset
|
1360 versions.discard('01') |
a54113fcc8c9
lfs: move the 'supportedoutgoingversions' handling to changegroup.py
Matt Harbison <matt_harbison@yahoo.com>
parents:
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diff
changeset
|
1361 versions.discard('02') |
a54113fcc8c9
lfs: move the 'supportedoutgoingversions' handling to changegroup.py
Matt Harbison <matt_harbison@yahoo.com>
parents:
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diff
changeset
|
1362 |
27752
29cfc474c5fd
changegroup3: introduce experimental.changegroup3 boolean config
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
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|
1363 return versions |
27751
a40e2f7fe49d
changegroup: hide packermap behind methods
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diff
changeset
|
1364 |
34144
91f0677dc920
repair: preserve phase also when not using generaldelta (issue5678)
Martin von Zweigbergk <martinvonz@google.com>
parents:
33461
diff
changeset
|
1365 def localversion(repo): |
91f0677dc920
repair: preserve phase also when not using generaldelta (issue5678)
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parents:
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diff
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|
1366 # Finds the best version to use for bundles that are meant to be used |
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diff
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|
1367 # locally, such as those from strip and shelve, and temporary bundles. |
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diff
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|
1368 return max(supportedoutgoingversions(repo)) |
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Martin von Zweigbergk <martinvonz@google.com>
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diff
changeset
|
1369 |
27929
3b2ac2115464
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|
1370 def safeversion(repo): |
3b2ac2115464
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|
1371 # Finds the smallest version that it's safe to assume clients of the repo |
27931
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diff
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|
1372 # will support. For example, all hg versions that support generaldelta also |
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shelve: use cg3 for treemanifests
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|
1373 # support changegroup 02. |
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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|
1374 versions = supportedoutgoingversions(repo) |
27929
3b2ac2115464
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diff
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|
1375 if 'generaldelta' in repo.requirements: |
3b2ac2115464
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|
1376 versions.discard('01') |
3b2ac2115464
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diff
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|
1377 assert versions |
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|
1378 return min(versions) |
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|
1379 |
38904
cdb9bc216771
changegroup: declare shallow flag in constructor
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
1380 def getbundler(version, repo, bundlecaps=None, filematcher=None, |
38909
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changegroup: move fullnodes into cgpacker
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diff
changeset
|
1381 ellipses=False, shallow=False, ellipsisroots=None, |
1af339c22aeb
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
1382 fullnodes=None): |
27953
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Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
1383 assert version in supportedoutgoingversions(repo) |
38794
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diff
changeset
|
1384 |
1d01cf0416a5
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|
1385 if filematcher is None: |
1d01cf0416a5
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|
1386 filematcher = matchmod.alwaysmatcher(repo.root, '') |
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|
1387 |
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diff
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|
1388 if version == '01' and not filematcher.always(): |
1d01cf0416a5
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parents:
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|
1389 raise error.ProgrammingError('version 01 changegroups do not support ' |
1d01cf0416a5
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diff
changeset
|
1390 'sparse file matchers') |
1d01cf0416a5
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diff
changeset
|
1391 |
38908
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
1392 if ellipses and version in (b'01', b'02'): |
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changegroup: specify ellipses mode explicitly
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38907
diff
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|
1393 raise error.Abort( |
1469584ad5fe
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Gregory Szorc <gregory.szorc@gmail.com>
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diff
changeset
|
1394 _('ellipsis nodes require at least cg3 on client and server, ' |
1469584ad5fe
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Gregory Szorc <gregory.szorc@gmail.com>
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diff
changeset
|
1395 'but negotiated version %s') % version) |
1469584ad5fe
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diff
changeset
|
1396 |
38794
1d01cf0416a5
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38783
diff
changeset
|
1397 # Requested files could include files not in the local store. So |
1d01cf0416a5
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diff
changeset
|
1398 # filter those out. |
1d01cf0416a5
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|
1399 filematcher = matchmod.intersectmatchers(repo.narrowmatch(), |
1d01cf0416a5
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|
1400 filematcher) |
1d01cf0416a5
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diff
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|
1401 |
38894
19344024a8e1
changegroup: define functions for creating changegroup packers
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38893
diff
changeset
|
1402 fn = _packermap[version][0] |
38908
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diff
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|
1403 return fn(repo, filematcher, bundlecaps, ellipses=ellipses, |
38909
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changeset
|
1404 shallow=shallow, ellipsisroots=ellipsisroots, |
1af339c22aeb
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|
1405 fullnodes=fullnodes) |
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|
1406 |
29593
953839de96ab
bundle2: store changeset count when creating file bundles
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parents:
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diff
changeset
|
1407 def getunbundler(version, fh, alg, extras=None): |
953839de96ab
bundle2: store changeset count when creating file bundles
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|
1408 return _packermap[version][1](fh, alg, extras=extras) |
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|
1409 |
20926
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20925
diff
changeset
|
1410 def _changegroupinfo(repo, nodes, source): |
7c1ed40e3325
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parents:
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|
1411 if repo.ui.verbose or source == 'bundle': |
7c1ed40e3325
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diff
changeset
|
1412 repo.ui.status(_("%d changesets found\n") % len(nodes)) |
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diff
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|
1413 if repo.ui.debugflag: |
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diff
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|
1414 repo.ui.debug("list of changesets:\n") |
7c1ed40e3325
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diff
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|
1415 for node in nodes: |
7c1ed40e3325
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diff
changeset
|
1416 repo.ui.debug("%s\n" % hex(node)) |
7c1ed40e3325
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diff
changeset
|
1417 |
34096
f85dfde1731a
changegroup: replace getsubset with makechangegroup
Durham Goode <durham@fb.com>
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diff
changeset
|
1418 def makechangegroup(repo, outgoing, version, source, fastpath=False, |
f85dfde1731a
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diff
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|
1419 bundlecaps=None): |
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Durham Goode <durham@fb.com>
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diff
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|
1420 cgstream = makestream(repo, outgoing, version, source, |
f85dfde1731a
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Durham Goode <durham@fb.com>
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diff
changeset
|
1421 fastpath=fastpath, bundlecaps=bundlecaps) |
f85dfde1731a
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diff
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|
1422 return getunbundler(version, util.chunkbuffer(cgstream), None, |
f85dfde1731a
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Durham Goode <durham@fb.com>
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diff
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|
1423 {'clcount': len(outgoing.missing) }) |
f85dfde1731a
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diff
changeset
|
1424 |
34103
92f1e2be8ab6
changegroup: rename getsubsetraw to makestream
Durham Goode <durham@fb.com>
parents:
34101
diff
changeset
|
1425 def makestream(repo, outgoing, version, source, fastpath=False, |
38794
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|
1426 bundlecaps=None, filematcher=None): |
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|
1427 bundler = getbundler(version, repo, bundlecaps=bundlecaps, |
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|
1428 filematcher=filematcher) |
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Durham Goode <durham@fb.com>
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34101
diff
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|
1429 |
20925
5174c48ed8d8
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diff
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|
1430 repo = repo.unfiltered() |
5174c48ed8d8
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diff
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|
1431 commonrevs = outgoing.common |
5174c48ed8d8
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diff
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|
1432 csets = outgoing.missing |
5174c48ed8d8
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|
1433 heads = outgoing.missingheads |
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|
1434 # We go through the fast path if we get told to, or if all (unfiltered |
5174c48ed8d8
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|
1435 # heads have been requested (since we then know there all linkrevs will |
5174c48ed8d8
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diff
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|
1436 # be pulled by the client). |
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diff
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|
1437 heads.sort() |
5174c48ed8d8
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|
1438 fastpathlinkrev = fastpath or ( |
5174c48ed8d8
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|
1439 repo.filtername is None and heads == sorted(repo.heads())) |
5174c48ed8d8
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|
1440 |
5174c48ed8d8
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changeset
|
1441 repo.hook('preoutgoing', throw=True, source=source) |
20926
7c1ed40e3325
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diff
changeset
|
1442 _changegroupinfo(repo, csets, source) |
23177
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changegroup: introduce "raw" versions of some commands
Sune Foldager <cryo@cyanite.org>
parents:
23168
diff
changeset
|
1443 return bundler.generate(commonrevs, csets, fastpathlinkrev, source) |
706547a14b8b
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Sune Foldager <cryo@cyanite.org>
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changeset
|
1444 |
28361
277a22cd8741
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Martin von Zweigbergk <martinvonz@google.com>
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changeset
|
1445 def _addchangegroupfiles(repo, source, revmap, trp, expectedfiles, needfiles): |
20932
0ac83e4e4f7c
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|
1446 revisions = 0 |
0ac83e4e4f7c
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diff
changeset
|
1447 files = 0 |
38382
daa08d45740f
changegroup: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
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38373
diff
changeset
|
1448 progress = repo.ui.makeprogress(_('files'), unit=_('files'), |
daa08d45740f
changegroup: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
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38373
diff
changeset
|
1449 total=expectedfiles) |
29724
4e7be6e33269
changegroup: use `iter(callable, sentinel)` instead of while True
Augie Fackler <augie@google.com>
parents:
29690
diff
changeset
|
1450 for chunkdata in iter(source.filelogheader, {}): |
28361
277a22cd8741
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diff
changeset
|
1451 files += 1 |
20932
0ac83e4e4f7c
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Pierre-Yves David <pierre-yves.david@fb.com>
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diff
changeset
|
1452 f = chunkdata["filename"] |
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
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1453 repo.ui.debug("adding %s revisions\n" % f) |
38382
daa08d45740f
changegroup: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents:
38373
diff
changeset
|
1454 progress.increment() |
27754
a09f143daaf4
changegroup3: move treemanifest support into _unpackmanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27753
diff
changeset
|
1455 fl = repo.file(f) |
20932
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localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
|
1456 o = len(fl) |
24120
a450e0a2ba0a
revlog: in addgroup, reject ill-formed deltas based on censored nodes
Mike Edgar <adgar@google.com>
parents:
23897
diff
changeset
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1457 try: |
34291
1db9abf407c5
revlog: add revmap back to revlog.addgroup
Durham Goode <durham@fb.com>
parents:
34257
diff
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1458 deltas = source.deltaiter() |
1db9abf407c5
revlog: add revmap back to revlog.addgroup
Durham Goode <durham@fb.com>
parents:
34257
diff
changeset
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1459 if not fl.addgroup(deltas, revmap, trp): |
26587
56b2bcea2529
error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26540
diff
changeset
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1460 raise error.Abort(_("received file revlog group is empty")) |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25624
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1461 except error.CensoredBaseError as e: |
26587
56b2bcea2529
error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26540
diff
changeset
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1462 raise error.Abort(_("received delta base is censored: %s") % e) |
27754
a09f143daaf4
changegroup3: move treemanifest support into _unpackmanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27753
diff
changeset
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1463 revisions += len(fl) - o |
20932
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
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1464 if f in needfiles: |
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
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1465 needs = needfiles[f] |
38783
e7aa113b14f7
global: use pycompat.xrange()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
38556
diff
changeset
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1466 for new in pycompat.xrange(o, len(fl)): |
20932
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
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1467 n = fl.node(new) |
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
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1468 if n in needs: |
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
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1469 needs.remove(n) |
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
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1470 else: |
26587
56b2bcea2529
error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26540
diff
changeset
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1471 raise error.Abort( |
20932
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
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1472 _("received spurious file revlog entry")) |
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
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1473 if not needs: |
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
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1474 del needfiles[f] |
38382
daa08d45740f
changegroup: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents:
38373
diff
changeset
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1475 progress.complete() |
20932
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
|
1476 |
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
|
1477 for f, needs in needfiles.iteritems(): |
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
|
1478 fl = repo.file(f) |
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
|
1479 for n in needs: |
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
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1480 try: |
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
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1481 fl.rev(n) |
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
|
1482 except error.LookupError: |
26587
56b2bcea2529
error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26540
diff
changeset
|
1483 raise error.Abort( |
20932
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
|
1484 _('missing file data for %s:%s - run hg verify') % |
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
|
1485 (f, hex(n))) |
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
|
1486 |
0ac83e4e4f7c
localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20931
diff
changeset
|
1487 return revisions, files |