Mercurial > hg
annotate mercurial/changegroup.py @ 29268:f200b58497f1
sslutil: reference appropriate config section in messaging
Error messages reference the config section defining the host
fingerprint. Now that we have multiple sections where this config
setting could live, we need to point the user at the appropriate
one.
We default to the new "hostsecurity" section. But we will still
refer them to the "hostfingerprint" section if a value is defined
there.
There are some corner cases where the messaging might be off. e.g.
they could define a SHA-1 fingerprint in both sections. IMO the
messaging needs a massive overhaul. I plan to do this as part
of future refactoring to security settings.
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Sat, 28 May 2016 12:58:46 -0700 |
parents | 1b7d907ec18a |
children | 1b699c7eb2b7 |
rev | line source |
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1 # changegroup.py - Mercurial changegroup manipulation functions |
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2 # |
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3 # Copyright 2006 Matt Mackall <mpm@selenic.com> |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
10263 | 6 # GNU General Public License version 2 or any later version. |
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7 |
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8 from __future__ import absolute_import |
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9 |
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10 import os |
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11 import struct |
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12 import tempfile |
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13 import weakref |
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14 |
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15 from .i18n import _ |
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16 from .node import ( |
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17 hex, |
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18 nullid, |
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19 nullrev, |
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20 short, |
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21 ) |
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22 |
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23 from . import ( |
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24 branchmap, |
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25 dagutil, |
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26 discovery, |
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27 error, |
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28 mdiff, |
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29 phases, |
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30 util, |
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31 ) |
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32 |
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33 _CHANGEGROUPV1_DELTA_HEADER = "20s20s20s20s" |
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34 _CHANGEGROUPV2_DELTA_HEADER = "20s20s20s20s20s" |
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35 _CHANGEGROUPV3_DELTA_HEADER = ">20s20s20s20s20sH" |
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36 |
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37 def readexactly(stream, n): |
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38 '''read n bytes from stream.read and abort if less was available''' |
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39 s = stream.read(n) |
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40 if len(s) < n: |
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41 raise error.Abort(_("stream ended unexpectedly" |
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42 " (got %d bytes, expected %d)") |
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43 % (len(s), n)) |
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44 return s |
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45 |
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46 def getchunk(stream): |
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47 """return the next chunk from stream as a string""" |
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48 d = readexactly(stream, 4) |
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49 l = struct.unpack(">l", d)[0] |
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50 if l <= 4: |
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51 if l: |
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52 raise error.Abort(_("invalid chunk length %d") % l) |
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53 return "" |
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54 return readexactly(stream, l - 4) |
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55 |
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56 def chunkheader(length): |
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57 """return a changegroup chunk header (string)""" |
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58 return struct.pack(">l", length + 4) |
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59 |
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60 def closechunk(): |
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61 """return a changegroup chunk header (string) for a zero-length chunk""" |
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62 return struct.pack(">l", 0) |
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63 |
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64 def combineresults(results): |
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65 """logic to combine 0 or more addchangegroup results into one""" |
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66 changedheads = 0 |
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67 result = 1 |
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68 for ret in results: |
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69 # If any changegroup result is 0, return 0 |
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70 if ret == 0: |
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71 result = 0 |
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72 break |
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73 if ret < -1: |
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74 changedheads += ret + 1 |
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75 elif ret > 1: |
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76 changedheads += ret - 1 |
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77 if changedheads > 0: |
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78 result = 1 + changedheads |
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79 elif changedheads < 0: |
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80 result = -1 + changedheads |
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81 return result |
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82 |
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83 def writechunks(ui, chunks, filename, vfs=None): |
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84 """Write chunks to a file and return its filename. |
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85 |
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86 The stream is assumed to be a bundle file. |
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87 Existing files will not be overwritten. |
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88 If no filename is specified, a temporary file is created. |
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89 """ |
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90 fh = None |
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91 cleanup = None |
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92 try: |
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93 if filename: |
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94 if vfs: |
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95 fh = vfs.open(filename, "wb") |
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96 else: |
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97 fh = open(filename, "wb") |
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98 else: |
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99 fd, filename = tempfile.mkstemp(prefix="hg-bundle-", suffix=".hg") |
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100 fh = os.fdopen(fd, "wb") |
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101 cleanup = filename |
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102 for c in chunks: |
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103 fh.write(c) |
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104 cleanup = None |
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105 return filename |
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106 finally: |
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107 if fh is not None: |
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108 fh.close() |
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109 if cleanup is not None: |
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110 if filename and vfs: |
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111 vfs.unlink(cleanup) |
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112 else: |
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113 os.unlink(cleanup) |
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114 |
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115 class cg1unpacker(object): |
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116 """Unpacker for cg1 changegroup streams. |
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117 |
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118 A changegroup unpacker handles the framing of the revision data in |
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119 the wire format. Most consumers will want to use the apply() |
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120 method to add the changes from the changegroup to a repository. |
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121 |
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122 If you're forwarding a changegroup unmodified to another consumer, |
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123 use getchunks(), which returns an iterator of changegroup |
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124 chunks. This is mostly useful for cases where you need to know the |
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125 data stream has ended by observing the end of the changegroup. |
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126 |
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127 deltachunk() is useful only if you're applying delta data. Most |
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128 consumers should prefer apply() instead. |
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129 |
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130 A few other public methods exist. Those are used only for |
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131 bundlerepo and some debug commands - their use is discouraged. |
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132 """ |
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133 deltaheader = _CHANGEGROUPV1_DELTA_HEADER |
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134 deltaheadersize = struct.calcsize(deltaheader) |
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135 version = '01' |
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136 _grouplistcount = 1 # One list of files after the manifests |
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137 |
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138 def __init__(self, fh, alg): |
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139 if alg == 'UN': |
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140 alg = None # get more modern without breaking too much |
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141 if not alg in util.decompressors: |
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142 raise error.Abort(_('unknown stream compression type: %s') |
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143 % alg) |
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144 if alg == 'BZ': |
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145 alg = '_truncatedBZ' |
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146 self._stream = util.decompressors[alg](fh) |
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147 self._type = alg |
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148 self.callback = None |
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149 |
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150 # These methods (compressed, read, seek, tell) all appear to only |
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151 # be used by bundlerepo, but it's a little hard to tell. |
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152 def compressed(self): |
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153 return self._type is not None |
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154 def read(self, l): |
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155 return self._stream.read(l) |
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156 def seek(self, pos): |
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157 return self._stream.seek(pos) |
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158 def tell(self): |
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159 return self._stream.tell() |
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160 def close(self): |
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161 return self._stream.close() |
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162 |
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163 def _chunklength(self): |
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164 d = readexactly(self._stream, 4) |
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165 l = struct.unpack(">l", d)[0] |
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166 if l <= 4: |
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167 if l: |
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168 raise error.Abort(_("invalid chunk length %d") % l) |
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169 return 0 |
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170 if self.callback: |
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171 self.callback() |
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172 return l - 4 |
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173 |
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174 def changelogheader(self): |
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175 """v10 does not have a changelog header chunk""" |
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176 return {} |
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177 |
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178 def manifestheader(self): |
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179 """v10 does not have a manifest header chunk""" |
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180 return {} |
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181 |
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182 def filelogheader(self): |
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183 """return the header of the filelogs chunk, v10 only has the filename""" |
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184 l = self._chunklength() |
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185 if not l: |
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186 return {} |
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187 fname = readexactly(self._stream, l) |
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188 return {'filename': fname} |
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189 |
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190 def _deltaheader(self, headertuple, prevnode): |
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191 node, p1, p2, cs = headertuple |
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192 if prevnode is None: |
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193 deltabase = p1 |
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194 else: |
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195 deltabase = prevnode |
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196 flags = 0 |
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197 return node, p1, p2, deltabase, cs, flags |
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198 |
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199 def deltachunk(self, prevnode): |
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200 l = self._chunklength() |
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201 if not l: |
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202 return {} |
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203 headerdata = readexactly(self._stream, self.deltaheadersize) |
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204 header = struct.unpack(self.deltaheader, headerdata) |
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205 delta = readexactly(self._stream, l - self.deltaheadersize) |
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206 node, p1, p2, deltabase, cs, flags = self._deltaheader(header, prevnode) |
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207 return {'node': node, 'p1': p1, 'p2': p2, 'cs': cs, |
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208 'deltabase': deltabase, 'delta': delta, 'flags': flags} |
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209 |
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210 def getchunks(self): |
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211 """returns all the chunks contains in the bundle |
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212 |
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213 Used when you need to forward the binary stream to a file or another |
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214 network API. To do so, it parse the changegroup data, otherwise it will |
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215 block in case of sshrepo because it don't know the end of the stream. |
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216 """ |
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217 # an empty chunkgroup is the end of the changegroup |
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218 # a changegroup has at least 2 chunkgroups (changelog and manifest). |
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219 # after that, changegroup versions 1 and 2 have a series of groups |
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220 # with one group per file. changegroup 3 has a series of directory |
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221 # manifests before the files. |
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222 count = 0 |
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223 emptycount = 0 |
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224 while emptycount < self._grouplistcount: |
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225 empty = True |
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226 count += 1 |
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227 while True: |
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228 chunk = getchunk(self) |
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229 if not chunk: |
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230 if empty and count > 2: |
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231 emptycount += 1 |
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232 break |
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233 empty = False |
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234 yield chunkheader(len(chunk)) |
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235 pos = 0 |
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236 while pos < len(chunk): |
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237 next = pos + 2**20 |
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238 yield chunk[pos:next] |
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239 pos = next |
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240 yield closechunk() |
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241 |
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242 def _unpackmanifests(self, repo, revmap, trp, prog, numchanges): |
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243 # We know that we'll never have more manifests than we had |
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244 # changesets. |
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245 self.callback = prog(_('manifests'), numchanges) |
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246 # no need to check for empty manifest group here: |
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247 # if the result of the merge of 1 and 2 is the same in 3 and 4, |
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248 # no new manifest will be created and the manifest group will |
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249 # be empty during the pull |
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250 self.manifestheader() |
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251 repo.manifest.addgroup(self, revmap, trp) |
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252 repo.ui.progress(_('manifests'), None) |
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253 self.callback = None |
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254 |
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255 def apply(self, repo, srctype, url, emptyok=False, |
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256 targetphase=phases.draft, expectedtotal=None): |
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257 """Add the changegroup returned by source.read() to this repo. |
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258 srctype is a string like 'push', 'pull', or 'unbundle'. url is |
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259 the URL of the repo where this changegroup is coming from. |
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260 |
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261 Return an integer summarizing the change to this repo: |
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262 - nothing changed or no source: 0 |
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263 - more heads than before: 1+added heads (2..n) |
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264 - fewer heads than before: -1-removed heads (-2..-n) |
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265 - number of heads stays the same: 1 |
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266 """ |
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267 repo = repo.unfiltered() |
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268 def csmap(x): |
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269 repo.ui.debug("add changeset %s\n" % short(x)) |
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270 return len(cl) |
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271 |
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272 def revmap(x): |
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273 return cl.rev(x) |
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274 |
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275 changesets = files = revisions = 0 |
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276 |
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277 try: |
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278 with repo.transaction("\n".join([srctype, |
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279 util.hidepassword(url)])) as tr: |
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280 # The transaction could have been created before and already |
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281 # carries source information. In this case we use the top |
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282 # level data. We overwrite the argument because we need to use |
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283 # the top level value (if they exist) in this function. |
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284 srctype = tr.hookargs.setdefault('source', srctype) |
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285 url = tr.hookargs.setdefault('url', url) |
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286 repo.hook('prechangegroup', throw=True, **tr.hookargs) |
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287 |
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288 # write changelog data to temp files so concurrent readers |
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289 # will not see an inconsistent view |
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290 cl = repo.changelog |
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291 cl.delayupdate(tr) |
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292 oldheads = cl.heads() |
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293 |
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294 trp = weakref.proxy(tr) |
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295 # pull off the changeset group |
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296 repo.ui.status(_("adding changesets\n")) |
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297 clstart = len(cl) |
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298 class prog(object): |
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299 def __init__(self, step, total): |
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300 self._step = step |
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301 self._total = total |
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302 self._count = 1 |
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303 def __call__(self): |
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304 repo.ui.progress(self._step, self._count, |
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305 unit=_('chunks'), total=self._total) |
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306 self._count += 1 |
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307 self.callback = prog(_('changesets'), expectedtotal) |
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308 |
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309 efiles = set() |
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310 def onchangelog(cl, node): |
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311 efiles.update(cl.readfiles(node)) |
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312 |
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313 self.changelogheader() |
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314 srccontent = cl.addgroup(self, csmap, trp, |
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315 addrevisioncb=onchangelog) |
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316 efiles = len(efiles) |
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317 |
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318 if not (srccontent or emptyok): |
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319 raise error.Abort(_("received changelog group is empty")) |
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320 clend = len(cl) |
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321 changesets = clend - clstart |
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322 repo.ui.progress(_('changesets'), None) |
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323 self.callback = None |
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324 |
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325 # pull off the manifest group |
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326 repo.ui.status(_("adding manifests\n")) |
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327 self._unpackmanifests(repo, revmap, trp, prog, changesets) |
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328 |
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329 needfiles = {} |
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330 if repo.ui.configbool('server', 'validate', default=False): |
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331 # validate incoming csets have their manifests |
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332 for cset in xrange(clstart, clend): |
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333 mfnode = repo.changelog.read( |
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334 repo.changelog.node(cset))[0] |
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335 mfest = repo.manifest.readdelta(mfnode) |
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336 # store file nodes we must see |
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337 for f, n in mfest.iteritems(): |
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338 needfiles.setdefault(f, set()).add(n) |
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339 |
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340 # process the files |
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341 repo.ui.status(_("adding file changes\n")) |
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342 newrevs, newfiles = _addchangegroupfiles( |
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343 repo, self, revmap, trp, efiles, needfiles) |
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344 revisions += newrevs |
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345 files += newfiles |
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346 |
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347 dh = 0 |
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348 if oldheads: |
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349 heads = cl.heads() |
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350 dh = len(heads) - len(oldheads) |
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351 for h in heads: |
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352 if h not in oldheads and repo[h].closesbranch(): |
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353 dh -= 1 |
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354 htext = "" |
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355 if dh: |
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356 htext = _(" (%+d heads)") % dh |
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357 |
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358 repo.ui.status(_("added %d changesets" |
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359 " with %d changes to %d files%s\n") |
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360 % (changesets, revisions, files, htext)) |
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361 repo.invalidatevolatilesets() |
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362 |
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363 if changesets > 0: |
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364 if 'node' not in tr.hookargs: |
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365 tr.hookargs['node'] = hex(cl.node(clstart)) |
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366 tr.hookargs['node_last'] = hex(cl.node(clend - 1)) |
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367 hookargs = dict(tr.hookargs) |
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368 else: |
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369 hookargs = dict(tr.hookargs) |
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370 hookargs['node'] = hex(cl.node(clstart)) |
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371 hookargs['node_last'] = hex(cl.node(clend - 1)) |
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372 repo.hook('pretxnchangegroup', throw=True, **hookargs) |
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373 |
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374 added = [cl.node(r) for r in xrange(clstart, clend)] |
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375 publishing = repo.publishing() |
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376 if srctype in ('push', 'serve'): |
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377 # Old servers can not push the boundary themselves. |
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378 # New servers won't push the boundary if changeset already |
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379 # exists locally as secret |
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380 # |
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381 # We should not use added here but the list of all change in |
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382 # the bundle |
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383 if publishing: |
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384 phases.advanceboundary(repo, tr, phases.public, |
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385 srccontent) |
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386 else: |
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387 # Those changesets have been pushed from the |
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388 # outside, their phases are going to be pushed |
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389 # alongside. Therefor `targetphase` is |
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390 # ignored. |
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391 phases.advanceboundary(repo, tr, phases.draft, |
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392 srccontent) |
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393 phases.retractboundary(repo, tr, phases.draft, added) |
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394 elif srctype != 'strip': |
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395 # publishing only alter behavior during push |
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396 # |
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397 # strip should not touch boundary at all |
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398 phases.retractboundary(repo, tr, targetphase, added) |
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399 |
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400 if changesets > 0: |
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401 if srctype != 'strip': |
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402 # During strip, branchcache is invalid but |
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403 # coming call to `destroyed` will repair it. |
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404 # In other case we can safely update cache on |
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405 # disk. |
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406 branchmap.updatecache(repo.filtered('served')) |
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407 |
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408 def runhooks(): |
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409 # These hooks run when the lock releases, not when the |
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410 # transaction closes. So it's possible for the changelog |
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411 # to have changed since we last saw it. |
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412 if clstart >= len(repo): |
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413 return |
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414 |
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415 # forcefully update the on-disk branch cache |
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416 repo.ui.debug("updating the branch cache\n") |
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417 repo.hook("changegroup", **hookargs) |
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418 |
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419 for n in added: |
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420 args = hookargs.copy() |
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421 args['node'] = hex(n) |
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422 del args['node_last'] |
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423 repo.hook("incoming", **args) |
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424 |
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425 newheads = [h for h in repo.heads() |
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426 if h not in oldheads] |
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427 repo.ui.log("incoming", |
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428 "%s incoming changes - new heads: %s\n", |
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429 len(added), |
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430 ', '.join([hex(c[:6]) for c in newheads])) |
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431 |
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432 tr.addpostclose('changegroup-runhooks-%020i' % clstart, |
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433 lambda tr: repo._afterlock(runhooks)) |
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434 finally: |
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435 repo.ui.flush() |
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436 # never return 0 here: |
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437 if dh < 0: |
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438 return dh - 1 |
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439 else: |
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440 return dh + 1 |
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441 |
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442 class cg2unpacker(cg1unpacker): |
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443 """Unpacker for cg2 streams. |
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444 |
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445 cg2 streams add support for generaldelta, so the delta header |
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446 format is slightly different. All other features about the data |
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447 remain the same. |
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448 """ |
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449 deltaheader = _CHANGEGROUPV2_DELTA_HEADER |
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450 deltaheadersize = struct.calcsize(deltaheader) |
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451 version = '02' |
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452 |
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453 def _deltaheader(self, headertuple, prevnode): |
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454 node, p1, p2, deltabase, cs = headertuple |
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455 flags = 0 |
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456 return node, p1, p2, deltabase, cs, flags |
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|
457 |
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458 class cg3unpacker(cg2unpacker): |
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459 """Unpacker for cg3 streams. |
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460 |
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461 cg3 streams add support for exchanging treemanifests and revlog |
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|
462 flags. It adds the revlog flags to the delta header and an empty chunk |
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|
463 separating manifests and files. |
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464 """ |
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|
465 deltaheader = _CHANGEGROUPV3_DELTA_HEADER |
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466 deltaheadersize = struct.calcsize(deltaheader) |
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467 version = '03' |
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468 _grouplistcount = 2 # One list of manifests and one list of files |
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469 |
27433
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changeset
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470 def _deltaheader(self, headertuple, prevnode): |
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changeset
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471 node, p1, p2, deltabase, cs, flags = headertuple |
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472 return node, p1, p2, deltabase, cs, flags |
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473 |
27754
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474 def _unpackmanifests(self, repo, revmap, trp, prog, numchanges): |
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475 super(cg3unpacker, self)._unpackmanifests(repo, revmap, trp, prog, |
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|
476 numchanges) |
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|
477 while True: |
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478 chunkdata = self.filelogheader() |
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479 if not chunkdata: |
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480 break |
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481 # If we get here, there are directory manifests in the changegroup |
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changeset
|
482 d = chunkdata["filename"] |
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483 repo.ui.debug("adding %s revisions\n" % d) |
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484 dirlog = repo.manifest.dirlog(d) |
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485 if not dirlog.addgroup(self, revmap, trp): |
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486 raise error.Abort(_("received dir revlog group is empty")) |
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diff
changeset
|
487 |
12329
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bundle: push chunkbuffer down into decompress
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changeset
|
488 class headerlessfixup(object): |
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489 def __init__(self, fh, h): |
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490 self._h = h |
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491 self._fh = fh |
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492 def read(self, n): |
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493 if self._h: |
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494 d, self._h = self._h[:n], self._h[n:] |
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|
495 if len(d) < n: |
13457
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changegroup: verify all stream reads
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|
496 d += readexactly(self._fh, n - len(d)) |
12329
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497 return d |
13457
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|
498 return readexactly(self._fh, n) |
12329
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|
499 |
22390
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changegroup: rename bundle-related functions and classes
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|
500 class cg1packer(object): |
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501 deltaheader = _CHANGEGROUPV1_DELTA_HEADER |
23896
becfecaf9087
changegroup.writebundle: HG2Y support
Eric Sumner <ericsumner@fb.com>
parents:
23895
diff
changeset
|
502 version = '01' |
19202
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bundle-ng: move gengroup into bundler, pass repo object to bundler
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503 def __init__(self, repo, bundlecaps=None): |
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504 """Given a source repo, construct a bundler. |
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|
505 |
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changeset
|
506 bundlecaps is optional and can be used to specify the set of |
0455fc94ae00
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diff
changeset
|
507 capabilities which can be used to build the bundle. |
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diff
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|
508 """ |
19201
309c439cdbaa
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diff
changeset
|
509 # Set of capabilities we can use to build the bundle. |
309c439cdbaa
bundle-ng: add bundlecaps argument to getbundle() command
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diff
changeset
|
510 if bundlecaps is None: |
309c439cdbaa
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19200
diff
changeset
|
511 bundlecaps = set() |
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diff
changeset
|
512 self._bundlecaps = bundlecaps |
25831
578fc97904da
generaldelta: mark experimental reordering option
Matt Mackall <mpm@selenic.com>
parents:
25823
diff
changeset
|
513 # experimental config: bundle.reorder |
19202
0455fc94ae00
bundle-ng: move gengroup into bundler, pass repo object to bundler
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diff
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|
514 reorder = repo.ui.config('bundle', 'reorder', 'auto') |
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diff
changeset
|
515 if reorder == 'auto': |
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|
516 reorder = None |
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|
517 else: |
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diff
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|
518 reorder = util.parsebool(reorder) |
0455fc94ae00
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diff
changeset
|
519 self._repo = repo |
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parents:
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diff
changeset
|
520 self._reorder = reorder |
19208
0b564cf359a7
bundle-ng: move progress handling out of the linkrev callback
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diff
changeset
|
521 self._progress = repo.ui.progress |
23748
4ab66de46a96
bundle: when verbose, show what takes up the space in the generated bundle
Mads Kiilerich <madski@unity3d.com>
parents:
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diff
changeset
|
522 if self._repo.ui.verbose and not self._repo.ui.debugflag: |
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parents:
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diff
changeset
|
523 self._verbosenote = self._repo.ui.note |
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Mads Kiilerich <madski@unity3d.com>
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diff
changeset
|
524 else: |
4ab66de46a96
bundle: when verbose, show what takes up the space in the generated bundle
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parents:
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diff
changeset
|
525 self._verbosenote = lambda s: None |
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parents:
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diff
changeset
|
526 |
13831
d69c9510d648
changegroup: introduce bundler objects
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diff
changeset
|
527 def close(self): |
d69c9510d648
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diff
changeset
|
528 return closechunk() |
19200
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parents:
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diff
changeset
|
529 |
13831
d69c9510d648
changegroup: introduce bundler objects
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parents:
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diff
changeset
|
530 def fileheader(self, fname): |
d69c9510d648
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parents:
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diff
changeset
|
531 return chunkheader(len(fname)) + fname |
19200
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bundle-ng: move group into the bundler
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changeset
|
532 |
29236
1b7d907ec18a
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
533 # Extracted both for clarity and for overriding in extensions. |
1b7d907ec18a
changegroup: extract method that sorts nodes to send
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diff
changeset
|
534 def _sortgroup(self, revlog, nodelist, lookup): |
1b7d907ec18a
changegroup: extract method that sorts nodes to send
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parents:
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diff
changeset
|
535 """Sort nodes for change group and turn them into revnums.""" |
1b7d907ec18a
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parents:
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diff
changeset
|
536 # for generaldelta revlogs, we linearize the revs; this will both be |
1b7d907ec18a
changegroup: extract method that sorts nodes to send
Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
537 # much quicker and generate a much smaller bundle |
1b7d907ec18a
changegroup: extract method that sorts nodes to send
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parents:
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diff
changeset
|
538 if (revlog._generaldelta and self._reorder is None) or self._reorder: |
1b7d907ec18a
changegroup: extract method that sorts nodes to send
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parents:
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diff
changeset
|
539 dag = dagutil.revlogdag(revlog) |
1b7d907ec18a
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Augie Fackler <augie@google.com>
parents:
28666
diff
changeset
|
540 return dag.linearize(set(revlog.rev(n) for n in nodelist)) |
1b7d907ec18a
changegroup: extract method that sorts nodes to send
Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
541 else: |
1b7d907ec18a
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
542 return sorted([revlog.rev(n) for n in nodelist]) |
1b7d907ec18a
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parents:
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diff
changeset
|
543 |
24912
e285b98c65cc
changegroup.group: drop 'reorder' parameter
Martin von Zweigbergk <martinvonz@google.com>
parents:
24911
diff
changeset
|
544 def group(self, nodelist, revlog, lookup, units=None): |
19200
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
545 """Calculate a delta group, yielding a sequence of changegroup chunks |
4cfdec944edf
bundle-ng: move group into the bundler
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parents:
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diff
changeset
|
546 (strings). |
4cfdec944edf
bundle-ng: move group into the bundler
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parents:
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diff
changeset
|
547 |
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
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diff
changeset
|
548 Given a list of changeset revs, return a set of deltas and |
4cfdec944edf
bundle-ng: move group into the bundler
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parents:
19199
diff
changeset
|
549 metadata corresponding to nodes. The first delta is |
4cfdec944edf
bundle-ng: move group into the bundler
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parents:
19199
diff
changeset
|
550 first parent(nodelist[0]) -> nodelist[0], the receiver is |
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
551 guaranteed to have this parent as it has all history before |
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
552 these changesets. In the case firstparent is nullrev the |
4cfdec944edf
bundle-ng: move group into the bundler
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parents:
19199
diff
changeset
|
553 changegroup starts with a full revision. |
19208
0b564cf359a7
bundle-ng: move progress handling out of the linkrev callback
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parents:
19207
diff
changeset
|
554 |
0b564cf359a7
bundle-ng: move progress handling out of the linkrev callback
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parents:
19207
diff
changeset
|
555 If units is not None, progress detail will be generated, units specifies |
0b564cf359a7
bundle-ng: move progress handling out of the linkrev callback
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19207
diff
changeset
|
556 the type of revlog that is touched (changelog, manifest, etc.). |
19200
4cfdec944edf
bundle-ng: move group into the bundler
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diff
changeset
|
557 """ |
4cfdec944edf
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parents:
19199
diff
changeset
|
558 # if we don't have any revisions touched by these changesets, bail |
4cfdec944edf
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parents:
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diff
changeset
|
559 if len(nodelist) == 0: |
4cfdec944edf
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diff
changeset
|
560 yield self.close() |
4cfdec944edf
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parents:
19199
diff
changeset
|
561 return |
4cfdec944edf
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parents:
19199
diff
changeset
|
562 |
29236
1b7d907ec18a
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Augie Fackler <augie@google.com>
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diff
changeset
|
563 revs = self._sortgroup(revlog, nodelist, lookup) |
19200
4cfdec944edf
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diff
changeset
|
564 |
4cfdec944edf
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diff
changeset
|
565 # add the parent of the first rev |
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
566 p = revlog.parentrevs(revs[0])[0] |
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
567 revs.insert(0, p) |
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
568 |
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
569 # build deltas |
19208
0b564cf359a7
bundle-ng: move progress handling out of the linkrev callback
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19207
diff
changeset
|
570 total = len(revs) - 1 |
0b564cf359a7
bundle-ng: move progress handling out of the linkrev callback
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19207
diff
changeset
|
571 msgbundling = _('bundling') |
19200
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
572 for r in xrange(len(revs) - 1): |
19208
0b564cf359a7
bundle-ng: move progress handling out of the linkrev callback
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19207
diff
changeset
|
573 if units is not None: |
0b564cf359a7
bundle-ng: move progress handling out of the linkrev callback
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parents:
19207
diff
changeset
|
574 self._progress(msgbundling, r + 1, unit=units, total=total) |
19200
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
575 prev, curr = revs[r], revs[r + 1] |
19207
a67e1380dfbd
bundle-ng: simplify lookup and state handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19206
diff
changeset
|
576 linknode = lookup(revlog.node(curr)) |
a67e1380dfbd
bundle-ng: simplify lookup and state handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19206
diff
changeset
|
577 for c in self.revchunk(revlog, curr, prev, linknode): |
19200
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
578 yield c |
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
579 |
24901
e9edd53770fb
changegroup: close progress in same function as it's started
Martin von Zweigbergk <martinvonz@google.com>
parents:
24900
diff
changeset
|
580 if units is not None: |
e9edd53770fb
changegroup: close progress in same function as it's started
Martin von Zweigbergk <martinvonz@google.com>
parents:
24900
diff
changeset
|
581 self._progress(msgbundling, None) |
19200
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
582 yield self.close() |
4cfdec944edf
bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents:
19199
diff
changeset
|
583 |
19289
6ea1f858efd9
bundle: refactor changegroup prune to be its own function
Durham Goode <durham@fb.com>
parents:
19208
diff
changeset
|
584 # filter any nodes that claim to be part of the known set |
24896
9183cb6886ef
changegroup: removed unused 'source' parameter from prune()
Martin von Zweigbergk <martinvonz@google.com>
parents:
24717
diff
changeset
|
585 def prune(self, revlog, missing, commonrevs): |
19289
6ea1f858efd9
bundle: refactor changegroup prune to be its own function
Durham Goode <durham@fb.com>
parents:
19208
diff
changeset
|
586 rr, rl = revlog.rev, revlog.linkrev |
6ea1f858efd9
bundle: refactor changegroup prune to be its own function
Durham Goode <durham@fb.com>
parents:
19208
diff
changeset
|
587 return [n for n in missing if rl(rr(n)) not in commonrevs] |
6ea1f858efd9
bundle: refactor changegroup prune to be its own function
Durham Goode <durham@fb.com>
parents:
19208
diff
changeset
|
588 |
28228
abf120262683
changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents:
28227
diff
changeset
|
589 def _packmanifests(self, dir, mfnodes, lookuplinknode): |
26711
0ef0aec56090
changegroup: move manifest packing into a separate function
Augie Fackler <augie@google.com>
parents:
26710
diff
changeset
|
590 """Pack flat manifests into a changegroup stream.""" |
28228
abf120262683
changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
591 assert not dir |
abf120262683
changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
592 for chunk in self.group(mfnodes, self._repo.manifest, |
abf120262683
changegroup: make _packmanifests() dumber
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parents:
28227
diff
changeset
|
593 lookuplinknode, units=_('manifests')): |
26711
0ef0aec56090
changegroup: move manifest packing into a separate function
Augie Fackler <augie@google.com>
parents:
26710
diff
changeset
|
594 yield chunk |
28228
abf120262683
changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents:
28227
diff
changeset
|
595 |
abf120262683
changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents:
28227
diff
changeset
|
596 def _manifestsdone(self): |
abf120262683
changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents:
28227
diff
changeset
|
597 return '' |
26711
0ef0aec56090
changegroup: move manifest packing into a separate function
Augie Fackler <augie@google.com>
parents:
26710
diff
changeset
|
598 |
19204
e9c5b1c246dc
bundle-ng: move bundle generation to changegroup.py
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19202
diff
changeset
|
599 def generate(self, commonrevs, clnodes, fastpathlinkrev, source): |
19202
0455fc94ae00
bundle-ng: move gengroup into bundler, pass repo object to bundler
Sune Foldager <cryo@cyanite.org>
parents:
19201
diff
changeset
|
600 '''yield a sequence of changegroup chunks (strings)''' |
0455fc94ae00
bundle-ng: move gengroup into bundler, pass repo object to bundler
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parents:
19201
diff
changeset
|
601 repo = self._repo |
24978
f52560c64953
changegroup: drop _changelog and _manifest properties
Martin von Zweigbergk <martinvonz@google.com>
parents:
24977
diff
changeset
|
602 cl = repo.changelog |
19204
e9c5b1c246dc
bundle-ng: move bundle generation to changegroup.py
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19202
diff
changeset
|
603 |
23381
cc0ff93d0c0c
changegroup: fix file linkrevs during reorders (issue4462)
Durham Goode <durham@fb.com>
parents:
23226
diff
changeset
|
604 clrevorder = {} |
19204
e9c5b1c246dc
bundle-ng: move bundle generation to changegroup.py
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19202
diff
changeset
|
605 mfs = {} # needed manifests |
e9c5b1c246dc
bundle-ng: move bundle generation to changegroup.py
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parents:
19202
diff
changeset
|
606 fnodes = {} # needed file nodes |
28241
a4286175ecba
changegroup: drop special-casing of flat manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
28240
diff
changeset
|
607 changedfiles = set() |
19204
e9c5b1c246dc
bundle-ng: move bundle generation to changegroup.py
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19202
diff
changeset
|
608 |
19207
a67e1380dfbd
bundle-ng: simplify lookup and state handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19206
diff
changeset
|
609 # Callback for the changelog, used to collect changed files and manifest |
a67e1380dfbd
bundle-ng: simplify lookup and state handling
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parents:
19206
diff
changeset
|
610 # nodes. |
a67e1380dfbd
bundle-ng: simplify lookup and state handling
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19206
diff
changeset
|
611 # Returns the linkrev node (identity in the changelog case). |
a67e1380dfbd
bundle-ng: simplify lookup and state handling
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parents:
19206
diff
changeset
|
612 def lookupcl(x): |
a67e1380dfbd
bundle-ng: simplify lookup and state handling
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parents:
19206
diff
changeset
|
613 c = cl.read(x) |
23381
cc0ff93d0c0c
changegroup: fix file linkrevs during reorders (issue4462)
Durham Goode <durham@fb.com>
parents:
23226
diff
changeset
|
614 clrevorder[x] = len(clrevorder) |
27237
c08814b48ae5
changegroup: avoid iterating the whole manifest
Augie Fackler <augie@google.com>
parents:
27219
diff
changeset
|
615 n = c[0] |
19207
a67e1380dfbd
bundle-ng: simplify lookup and state handling
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parents:
19206
diff
changeset
|
616 # record the first changeset introducing this manifest version |
27237
c08814b48ae5
changegroup: avoid iterating the whole manifest
Augie Fackler <augie@google.com>
parents:
27219
diff
changeset
|
617 mfs.setdefault(n, x) |
c08814b48ae5
changegroup: avoid iterating the whole manifest
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parents:
27219
diff
changeset
|
618 # Record a complete list of potentially-changed files in |
c08814b48ae5
changegroup: avoid iterating the whole manifest
Augie Fackler <augie@google.com>
parents:
27219
diff
changeset
|
619 # this manifest. |
28241
a4286175ecba
changegroup: drop special-casing of flat manifests
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parents:
28240
diff
changeset
|
620 changedfiles.update(c[3]) |
19207
a67e1380dfbd
bundle-ng: simplify lookup and state handling
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parents:
19206
diff
changeset
|
621 return x |
19204
e9c5b1c246dc
bundle-ng: move bundle generation to changegroup.py
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19202
diff
changeset
|
622 |
23748
4ab66de46a96
bundle: when verbose, show what takes up the space in the generated bundle
Mads Kiilerich <madski@unity3d.com>
parents:
23382
diff
changeset
|
623 self._verbosenote(_('uncompressed size of bundle content:\n')) |
4ab66de46a96
bundle: when verbose, show what takes up the space in the generated bundle
Mads Kiilerich <madski@unity3d.com>
parents:
23382
diff
changeset
|
624 size = 0 |
24912
e285b98c65cc
changegroup.group: drop 'reorder' parameter
Martin von Zweigbergk <martinvonz@google.com>
parents:
24911
diff
changeset
|
625 for chunk in self.group(clnodes, cl, lookupcl, units=_('changesets')): |
23748
4ab66de46a96
bundle: when verbose, show what takes up the space in the generated bundle
Mads Kiilerich <madski@unity3d.com>
parents:
23382
diff
changeset
|
626 size += len(chunk) |
23224
f4ab47ccefde
changegroup: don't define lookupmf() until it is needed
Gregory Szorc <gregory.szorc@gmail.com>
parents:
22971
diff
changeset
|
627 yield chunk |
23748
4ab66de46a96
bundle: when verbose, show what takes up the space in the generated bundle
Mads Kiilerich <madski@unity3d.com>
parents:
23382
diff
changeset
|
628 self._verbosenote(_('%8.i (changelog)\n') % size) |
23224
f4ab47ccefde
changegroup: don't define lookupmf() until it is needed
Gregory Szorc <gregory.szorc@gmail.com>
parents:
22971
diff
changeset
|
629 |
24977
4289383cb9d2
changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents:
24976
diff
changeset
|
630 # We need to make sure that the linkrev in the changegroup refers to |
4289383cb9d2
changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents:
24976
diff
changeset
|
631 # the first changeset that introduced the manifest or file revision. |
4289383cb9d2
changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents:
24976
diff
changeset
|
632 # The fastpath is usually safer than the slowpath, because the filelogs |
4289383cb9d2
changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents:
24976
diff
changeset
|
633 # are walked in revlog order. |
4289383cb9d2
changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents:
24976
diff
changeset
|
634 # |
4289383cb9d2
changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents:
24976
diff
changeset
|
635 # When taking the slowpath with reorder=None and the manifest revlog |
4289383cb9d2
changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents:
24976
diff
changeset
|
636 # uses generaldelta, the manifest may be walked in the "wrong" order. |
4289383cb9d2
changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents:
24976
diff
changeset
|
637 # Without 'clrevorder', we would get an incorrect linkrev (see fix in |
4289383cb9d2
changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents:
24976
diff
changeset
|
638 # cc0ff93d0c0c). |
4289383cb9d2
changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents:
24976
diff
changeset
|
639 # |
4289383cb9d2
changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents:
24976
diff
changeset
|
640 # When taking the fastpath, we are only vulnerable to reordering |
4289383cb9d2
changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents:
24976
diff
changeset
|
641 # of the changelog itself. The changelog never uses generaldelta, so |
4289383cb9d2
changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents:
24976
diff
changeset
|
642 # it is only reordered when reorder=True. To handle this case, we |
4289383cb9d2
changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents:
24976
diff
changeset
|
643 # simply take the slowpath, which already has the 'clrevorder' logic. |
4289383cb9d2
changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents:
24976
diff
changeset
|
644 # This was also fixed in cc0ff93d0c0c. |
24976
147d8892fc4b
changegroup: extract condition for linkrev fastpath
Martin von Zweigbergk <martinvonz@google.com>
parents:
24912
diff
changeset
|
645 fastpathlinkrev = fastpathlinkrev and not self._reorder |
27432
77d25b913f80
changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents:
27241
diff
changeset
|
646 # Treemanifests don't work correctly with fastpathlinkrev |
77d25b913f80
changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents:
27241
diff
changeset
|
647 # either, because we don't discover which directory nodes to |
77d25b913f80
changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents:
27241
diff
changeset
|
648 # send along with files. This could probably be fixed. |
77d25b913f80
changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents:
27241
diff
changeset
|
649 fastpathlinkrev = fastpathlinkrev and ( |
77d25b913f80
changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents:
27241
diff
changeset
|
650 'treemanifest' not in repo.requirements) |
28227
1c36cc8e7870
changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27953
diff
changeset
|
651 |
1c36cc8e7870
changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27953
diff
changeset
|
652 for chunk in self.generatemanifests(commonrevs, clrevorder, |
28241
a4286175ecba
changegroup: drop special-casing of flat manifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
28240
diff
changeset
|
653 fastpathlinkrev, mfs, fnodes): |
28227
1c36cc8e7870
changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27953
diff
changeset
|
654 yield chunk |
1c36cc8e7870
changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27953
diff
changeset
|
655 mfs.clear() |
1c36cc8e7870
changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27953
diff
changeset
|
656 clrevs = set(cl.rev(x) for x in clnodes) |
1c36cc8e7870
changegroup: extract generatemanifests()
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parents:
27953
diff
changeset
|
657 |
1c36cc8e7870
changegroup: extract generatemanifests()
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parents:
27953
diff
changeset
|
658 if not fastpathlinkrev: |
1c36cc8e7870
changegroup: extract generatemanifests()
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parents:
27953
diff
changeset
|
659 def linknodes(unused, fname): |
1c36cc8e7870
changegroup: extract generatemanifests()
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parents:
27953
diff
changeset
|
660 return fnodes.get(fname, {}) |
1c36cc8e7870
changegroup: extract generatemanifests()
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parents:
27953
diff
changeset
|
661 else: |
1c36cc8e7870
changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27953
diff
changeset
|
662 cln = cl.node |
1c36cc8e7870
changegroup: extract generatemanifests()
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parents:
27953
diff
changeset
|
663 def linknodes(filerevlog, fname): |
1c36cc8e7870
changegroup: extract generatemanifests()
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parents:
27953
diff
changeset
|
664 llr = filerevlog.linkrev |
1c36cc8e7870
changegroup: extract generatemanifests()
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parents:
27953
diff
changeset
|
665 fln = filerevlog.node |
1c36cc8e7870
changegroup: extract generatemanifests()
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parents:
27953
diff
changeset
|
666 revs = ((r, llr(r)) for r in filerevlog) |
1c36cc8e7870
changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27953
diff
changeset
|
667 return dict((fln(r), cln(lr)) for r, lr in revs if lr in clrevs) |
1c36cc8e7870
changegroup: extract generatemanifests()
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parents:
27953
diff
changeset
|
668 |
1c36cc8e7870
changegroup: extract generatemanifests()
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parents:
27953
diff
changeset
|
669 for chunk in self.generatefiles(changedfiles, linknodes, commonrevs, |
1c36cc8e7870
changegroup: extract generatemanifests()
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parents:
27953
diff
changeset
|
670 source): |
1c36cc8e7870
changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27953
diff
changeset
|
671 yield chunk |
1c36cc8e7870
changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27953
diff
changeset
|
672 |
1c36cc8e7870
changegroup: extract generatemanifests()
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parents:
27953
diff
changeset
|
673 yield self.close() |
1c36cc8e7870
changegroup: extract generatemanifests()
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parents:
27953
diff
changeset
|
674 |
1c36cc8e7870
changegroup: extract generatemanifests()
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parents:
27953
diff
changeset
|
675 if clnodes: |
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676 repo.hook('outgoing', node=hex(clnodes[0]), source=source) |
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677 |
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678 def generatemanifests(self, commonrevs, clrevorder, fastpathlinkrev, mfs, |
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679 fnodes): |
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680 repo = self._repo |
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681 dirlog = repo.manifest.dirlog |
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682 tmfnodes = {'': mfs} |
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683 |
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684 # Callback for the manifest, used to collect linkrevs for filelog |
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685 # revisions. |
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686 # Returns the linkrev node (collected in lookupcl). |
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687 def makelookupmflinknode(dir): |
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688 if fastpathlinkrev: |
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689 assert not dir |
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|
690 return mfs.__getitem__ |
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|
691 |
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692 def lookupmflinknode(x): |
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693 """Callback for looking up the linknode for manifests. |
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|
694 |
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695 Returns the linkrev node for the specified manifest. |
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|
696 |
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|
697 SIDE EFFECT: |
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|
698 |
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|
699 1) fclnodes gets populated with the list of relevant |
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|
700 file nodes if we're not using fastpathlinkrev |
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|
701 2) When treemanifests are in use, collects treemanifest nodes |
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|
702 to send |
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|
703 |
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|
704 Note that this means manifests must be completely sent to |
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Augie Fackler <augie@google.com>
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|
705 the client before you can trust the list of files and |
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diff
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|
706 treemanifests to send. |
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|
707 """ |
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|
708 clnode = tmfnodes[dir][x] |
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|
709 mdata = dirlog(dir).readshallowfast(x) |
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|
710 for p, n, fl in mdata.iterentries(): |
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|
711 if fl == 't': # subdirectory manifest |
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|
712 subdir = dir + p + '/' |
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|
713 tmfclnodes = tmfnodes.setdefault(subdir, {}) |
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|
714 tmfclnode = tmfclnodes.setdefault(n, clnode) |
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|
715 if clrevorder[clnode] < clrevorder[tmfclnode]: |
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|
716 tmfclnodes[n] = clnode |
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|
717 else: |
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|
718 f = dir + p |
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|
719 fclnodes = fnodes.setdefault(f, {}) |
1ac8ce137377
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|
720 fclnode = fclnodes.setdefault(n, clnode) |
1ac8ce137377
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Martin von Zweigbergk <martinvonz@google.com>
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|
721 if clrevorder[clnode] < clrevorder[fclnode]: |
1ac8ce137377
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parents:
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|
722 fclnodes[n] = clnode |
27239
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Augie Fackler <augie@google.com>
parents:
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changeset
|
723 return clnode |
28231
3faba927dd93
changegroup: introduce makelookupmflinknode(dir)
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parents:
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diff
changeset
|
724 return lookupmflinknode |
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Sune Foldager <cryo@cyanite.org>
parents:
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diff
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|
725 |
28228
abf120262683
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parents:
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diff
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|
726 size = 0 |
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diff
changeset
|
727 while tmfnodes: |
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diff
changeset
|
728 dir = min(tmfnodes) |
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diff
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|
729 nodes = tmfnodes[dir] |
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changeset
|
730 prunednodes = self.prune(dirlog(dir), nodes, commonrevs) |
28231
3faba927dd93
changegroup: introduce makelookupmflinknode(dir)
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parents:
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diff
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|
731 for x in self._packmanifests(dir, prunednodes, |
3faba927dd93
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changeset
|
732 makelookupmflinknode(dir)): |
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8e13b2379407
changegroup: include subdirectory manifests in verbose size
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diff
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|
733 size += len(x) |
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|
734 yield x |
28232
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diff
changeset
|
735 del tmfnodes[dir] |
28229
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diff
changeset
|
736 self._verbosenote(_('%8.i (manifests)\n') % size) |
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abf120262683
changegroup: make _packmanifests() dumber
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|
737 yield self._manifestsdone() |
19206
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|
738 |
24897
5c35a6040352
changegroup: document that 'source' parameter exists for extensions
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parents:
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diff
changeset
|
739 # The 'source' parameter is useful for extensions |
19334
95a49112e7ab
bundle: move file chunk generation to it's own function
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parents:
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diff
changeset
|
740 def generatefiles(self, changedfiles, linknodes, commonrevs, source): |
95a49112e7ab
bundle: move file chunk generation to it's own function
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parents:
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|
741 repo = self._repo |
95a49112e7ab
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diff
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|
742 progress = self._progress |
95a49112e7ab
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|
743 msgbundling = _('bundling') |
95a49112e7ab
bundle: move file chunk generation to it's own function
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diff
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|
744 |
95a49112e7ab
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diff
changeset
|
745 total = len(changedfiles) |
95a49112e7ab
bundle: move file chunk generation to it's own function
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parents:
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diff
changeset
|
746 # for progress output |
95a49112e7ab
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diff
changeset
|
747 msgfiles = _('files') |
95a49112e7ab
bundle: move file chunk generation to it's own function
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parents:
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diff
changeset
|
748 for i, fname in enumerate(sorted(changedfiles)): |
95a49112e7ab
bundle: move file chunk generation to it's own function
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parents:
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diff
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|
749 filerevlog = repo.file(fname) |
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parents:
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diff
changeset
|
750 if not filerevlog: |
26587
56b2bcea2529
error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26540
diff
changeset
|
751 raise error.Abort(_("empty or missing revlog for %s") % fname) |
19334
95a49112e7ab
bundle: move file chunk generation to it's own function
Durham Goode <durham@fb.com>
parents:
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diff
changeset
|
752 |
95a49112e7ab
bundle: move file chunk generation to it's own function
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parents:
19325
diff
changeset
|
753 linkrevnodes = linknodes(filerevlog, fname) |
19207
a67e1380dfbd
bundle-ng: simplify lookup and state handling
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diff
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|
754 # Lookup for filenodes, we collected the linkrev nodes above in the |
a67e1380dfbd
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parents:
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diff
changeset
|
755 # fastpath case and with lookupmf in the slowpath case. |
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|
756 def lookupfilelog(x): |
a67e1380dfbd
bundle-ng: simplify lookup and state handling
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diff
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|
757 return linkrevnodes[x] |
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diff
changeset
|
758 |
24896
9183cb6886ef
changegroup: removed unused 'source' parameter from prune()
Martin von Zweigbergk <martinvonz@google.com>
parents:
24717
diff
changeset
|
759 filenodes = self.prune(filerevlog, linkrevnodes, commonrevs) |
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parents:
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diff
changeset
|
760 if filenodes: |
19208
0b564cf359a7
bundle-ng: move progress handling out of the linkrev callback
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parents:
19207
diff
changeset
|
761 progress(msgbundling, i + 1, item=fname, unit=msgfiles, |
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parents:
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diff
changeset
|
762 total=total) |
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
|
763 h = self.fileheader(fname) |
4ab66de46a96
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parents:
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diff
changeset
|
764 size = len(h) |
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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
|
765 yield h |
24912
e285b98c65cc
changegroup.group: drop 'reorder' parameter
Martin von Zweigbergk <martinvonz@google.com>
parents:
24911
diff
changeset
|
766 for chunk in self.group(filenodes, filerevlog, lookupfilelog): |
23748
4ab66de46a96
bundle: when verbose, show what takes up the space in the generated bundle
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parents:
23382
diff
changeset
|
767 size += len(chunk) |
19202
0455fc94ae00
bundle-ng: move gengroup into bundler, pass repo object to bundler
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parents:
19201
diff
changeset
|
768 yield chunk |
23748
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parents:
23382
diff
changeset
|
769 self._verbosenote(_('%8.i %s\n') % (size, fname)) |
24901
e9edd53770fb
changegroup: close progress in same function as it's started
Martin von Zweigbergk <martinvonz@google.com>
parents:
24900
diff
changeset
|
770 progress(msgbundling, None) |
19200
4cfdec944edf
bundle-ng: move group into the bundler
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parents:
19199
diff
changeset
|
771 |
23181
832b7ef275c8
changegroup: introduce cg2packer/unpacker
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parents:
23178
diff
changeset
|
772 def deltaparent(self, revlog, rev, p1, p2, prev): |
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changegroup: introduce cg2packer/unpacker
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parents:
23178
diff
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|
773 return prev |
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|
774 |
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a67e1380dfbd
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diff
changeset
|
775 def revchunk(self, revlog, rev, prev, linknode): |
14143
da635d3c5620
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parents:
14141
diff
changeset
|
776 node = revlog.node(rev) |
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parents:
14141
diff
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|
777 p1, p2 = revlog.parentrevs(rev) |
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diff
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|
778 base = self.deltaparent(revlog, rev, p1, p2, prev) |
14143
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parents:
14141
diff
changeset
|
779 |
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changegroup: new bundler API
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parents:
14141
diff
changeset
|
780 prefix = '' |
24190
903c7e8c97ad
changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents:
24180
diff
changeset
|
781 if revlog.iscensored(base) or revlog.iscensored(rev): |
903c7e8c97ad
changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents:
24180
diff
changeset
|
782 try: |
903c7e8c97ad
changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents:
24180
diff
changeset
|
783 delta = revlog.revision(node) |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25624
diff
changeset
|
784 except error.CensoredNodeError as e: |
24190
903c7e8c97ad
changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents:
24180
diff
changeset
|
785 delta = e.tombstone |
903c7e8c97ad
changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents:
24180
diff
changeset
|
786 if base == nullrev: |
903c7e8c97ad
changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents:
24180
diff
changeset
|
787 prefix = mdiff.trivialdiffheader(len(delta)) |
903c7e8c97ad
changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents:
24180
diff
changeset
|
788 else: |
903c7e8c97ad
changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents:
24180
diff
changeset
|
789 baselen = revlog.rawsize(base) |
903c7e8c97ad
changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents:
24180
diff
changeset
|
790 prefix = mdiff.replacediffheader(baselen, len(delta)) |
903c7e8c97ad
changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents:
24180
diff
changeset
|
791 elif base == nullrev: |
14143
da635d3c5620
changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
14141
diff
changeset
|
792 delta = revlog.revision(node) |
da635d3c5620
changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
14141
diff
changeset
|
793 prefix = mdiff.trivialdiffheader(len(delta)) |
da635d3c5620
changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
14141
diff
changeset
|
794 else: |
da635d3c5620
changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
14141
diff
changeset
|
795 delta = revlog.revdiff(base, rev) |
da635d3c5620
changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
14141
diff
changeset
|
796 p1n, p2n = revlog.parents(node) |
da635d3c5620
changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
14141
diff
changeset
|
797 basenode = revlog.node(base) |
27433
12f727a5b434
changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents:
27432
diff
changeset
|
798 flags = revlog.flags(rev) |
12f727a5b434
changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents:
27432
diff
changeset
|
799 meta = self.builddeltaheader(node, p1n, p2n, basenode, linknode, flags) |
14143
da635d3c5620
changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
14141
diff
changeset
|
800 meta += prefix |
da635d3c5620
changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
14141
diff
changeset
|
801 l = len(meta) + len(delta) |
13831
d69c9510d648
changegroup: introduce bundler objects
Matt Mackall <mpm@selenic.com>
parents:
13786
diff
changeset
|
802 yield chunkheader(l) |
d69c9510d648
changegroup: introduce bundler objects
Matt Mackall <mpm@selenic.com>
parents:
13786
diff
changeset
|
803 yield meta |
14143
da635d3c5620
changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
14141
diff
changeset
|
804 yield delta |
27433
12f727a5b434
changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents:
27432
diff
changeset
|
805 def builddeltaheader(self, node, p1n, p2n, basenode, linknode, flags): |
14143
da635d3c5620
changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
14141
diff
changeset
|
806 # do nothing with basenode, it is implicitly the previous one in HG10 |
27433
12f727a5b434
changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents:
27432
diff
changeset
|
807 # do nothing with flags, it is implicitly 0 for cg1 and cg2 |
14143
da635d3c5620
changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
14141
diff
changeset
|
808 return struct.pack(self.deltaheader, node, p1n, p2n, linknode) |
20925
5174c48ed8d8
localrepo: move the _changegroupsubset method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20675
diff
changeset
|
809 |
23181
832b7ef275c8
changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents:
23178
diff
changeset
|
810 class cg2packer(cg1packer): |
23896
becfecaf9087
changegroup.writebundle: HG2Y support
Eric Sumner <ericsumner@fb.com>
parents:
23895
diff
changeset
|
811 version = '02' |
23181
832b7ef275c8
changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents:
23178
diff
changeset
|
812 deltaheader = _CHANGEGROUPV2_DELTA_HEADER |
832b7ef275c8
changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents:
23178
diff
changeset
|
813 |
24911
5447b8523fef
cg2packer: set reorder=False in __init__ instead of in group()
Martin von Zweigbergk <martinvonz@google.com>
parents:
24910
diff
changeset
|
814 def __init__(self, repo, bundlecaps=None): |
5447b8523fef
cg2packer: set reorder=False in __init__ instead of in group()
Martin von Zweigbergk <martinvonz@google.com>
parents:
24910
diff
changeset
|
815 super(cg2packer, self).__init__(repo, bundlecaps) |
5447b8523fef
cg2packer: set reorder=False in __init__ instead of in group()
Martin von Zweigbergk <martinvonz@google.com>
parents:
24910
diff
changeset
|
816 if self._reorder is None: |
5447b8523fef
cg2packer: set reorder=False in __init__ instead of in group()
Martin von Zweigbergk <martinvonz@google.com>
parents:
24910
diff
changeset
|
817 # Since generaldelta is directly supported by cg2, reordering |
5447b8523fef
cg2packer: set reorder=False in __init__ instead of in group()
Martin von Zweigbergk <martinvonz@google.com>
parents:
24910
diff
changeset
|
818 # generally doesn't help, so we disable it by default (treating |
5447b8523fef
cg2packer: set reorder=False in __init__ instead of in group()
Martin von Zweigbergk <martinvonz@google.com>
parents:
24910
diff
changeset
|
819 # bundle.reorder=auto just like bundle.reorder=False). |
5447b8523fef
cg2packer: set reorder=False in __init__ instead of in group()
Martin von Zweigbergk <martinvonz@google.com>
parents:
24910
diff
changeset
|
820 self._reorder = False |
23181
832b7ef275c8
changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents:
23178
diff
changeset
|
821 |
832b7ef275c8
changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents:
23178
diff
changeset
|
822 def deltaparent(self, revlog, rev, p1, p2, prev): |
832b7ef275c8
changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents:
23178
diff
changeset
|
823 dp = revlog.deltaparent(rev) |
832b7ef275c8
changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents:
23178
diff
changeset
|
824 # avoid storing full revisions; pick prev in those cases |
832b7ef275c8
changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents:
23178
diff
changeset
|
825 # also pick prev when we can't be sure remote has dp |
832b7ef275c8
changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents:
23178
diff
changeset
|
826 if dp == nullrev or (dp != p1 and dp != p2 and dp != prev): |
832b7ef275c8
changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents:
23178
diff
changeset
|
827 return prev |
832b7ef275c8
changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents:
23178
diff
changeset
|
828 return dp |
832b7ef275c8
changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents:
23178
diff
changeset
|
829 |
27433
12f727a5b434
changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents:
27432
diff
changeset
|
830 def builddeltaheader(self, node, p1n, p2n, basenode, linknode, flags): |
12f727a5b434
changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents:
27432
diff
changeset
|
831 # Do nothing with flags, it is implicitly 0 in cg1 and cg2 |
23181
832b7ef275c8
changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents:
23178
diff
changeset
|
832 return struct.pack(self.deltaheader, node, p1n, p2n, basenode, linknode) |
832b7ef275c8
changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents:
23178
diff
changeset
|
833 |
27432
77d25b913f80
changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents:
27241
diff
changeset
|
834 class cg3packer(cg2packer): |
77d25b913f80
changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents:
27241
diff
changeset
|
835 version = '03' |
27433
12f727a5b434
changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents:
27432
diff
changeset
|
836 deltaheader = _CHANGEGROUPV3_DELTA_HEADER |
27432
77d25b913f80
changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents:
27241
diff
changeset
|
837 |
28228
abf120262683
changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents:
28227
diff
changeset
|
838 def _packmanifests(self, dir, mfnodes, lookuplinknode): |
abf120262683
changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents:
28227
diff
changeset
|
839 if dir: |
abf120262683
changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents:
28227
diff
changeset
|
840 yield self.fileheader(dir) |
abf120262683
changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents:
28227
diff
changeset
|
841 for chunk in self.group(mfnodes, self._repo.manifest.dirlog(dir), |
abf120262683
changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents:
28227
diff
changeset
|
842 lookuplinknode, units=_('manifests')): |
abf120262683
changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents:
28227
diff
changeset
|
843 yield chunk |
abf120262683
changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents:
28227
diff
changeset
|
844 |
abf120262683
changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents:
28227
diff
changeset
|
845 def _manifestsdone(self): |
abf120262683
changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents:
28227
diff
changeset
|
846 return self.close() |
27432
77d25b913f80
changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents:
27241
diff
changeset
|
847 |
27433
12f727a5b434
changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents:
27432
diff
changeset
|
848 def builddeltaheader(self, node, p1n, p2n, basenode, linknode, flags): |
12f727a5b434
changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents:
27432
diff
changeset
|
849 return struct.pack( |
12f727a5b434
changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents:
27432
diff
changeset
|
850 self.deltaheader, node, p1n, p2n, basenode, linknode, flags) |
27432
77d25b913f80
changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents:
27241
diff
changeset
|
851 |
27751
a40e2f7fe49d
changegroup: hide packermap behind methods
Martin von Zweigbergk <martinvonz@google.com>
parents:
27739
diff
changeset
|
852 _packermap = {'01': (cg1packer, cg1unpacker), |
26709
42733e956887
changegroup: reformat packermap and add comment
Augie Fackler <augie@google.com>
parents:
26708
diff
changeset
|
853 # cg2 adds support for exchanging generaldelta |
42733e956887
changegroup: reformat packermap and add comment
Augie Fackler <augie@google.com>
parents:
26708
diff
changeset
|
854 '02': (cg2packer, cg2unpacker), |
27753
d4071cc73f46
changegroup3: add empty chunk separating directories and files
Martin von Zweigbergk <martinvonz@google.com>
parents:
27752
diff
changeset
|
855 # cg3 adds support for exchanging revlog flags and treemanifests |
27432
77d25b913f80
changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents:
27241
diff
changeset
|
856 '03': (cg3packer, cg3unpacker), |
26709
42733e956887
changegroup: reformat packermap and add comment
Augie Fackler <augie@google.com>
parents:
26708
diff
changeset
|
857 } |
23168
a92ba36a1a9d
changegroup: add a "packermap" dictionary to track different packer versions
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22971
diff
changeset
|
858 |
27953
88609cfa3745
changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27946
diff
changeset
|
859 def allsupportedversions(ui): |
27928
c0f11347b107
changegroup: don't support versions 01 and 02 with treemanifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27920
diff
changeset
|
860 versions = set(_packermap.keys()) |
27953
88609cfa3745
changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27946
diff
changeset
|
861 versions.discard('03') |
88609cfa3745
changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27946
diff
changeset
|
862 if (ui.configbool('experimental', 'changegroup3') or |
88609cfa3745
changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27946
diff
changeset
|
863 ui.configbool('experimental', 'treemanifest')): |
88609cfa3745
changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27946
diff
changeset
|
864 versions.add('03') |
88609cfa3745
changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27946
diff
changeset
|
865 return versions |
88609cfa3745
changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27946
diff
changeset
|
866 |
88609cfa3745
changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27946
diff
changeset
|
867 # Changegroup versions that can be applied to the repo |
88609cfa3745
changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27946
diff
changeset
|
868 def supportedincomingversions(repo): |
88609cfa3745
changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27946
diff
changeset
|
869 versions = allsupportedversions(repo.ui) |
88609cfa3745
changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27946
diff
changeset
|
870 if 'treemanifest' in repo.requirements: |
88609cfa3745
changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27946
diff
changeset
|
871 versions.add('03') |
88609cfa3745
changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27946
diff
changeset
|
872 return versions |
88609cfa3745
changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27946
diff
changeset
|
873 |
88609cfa3745
changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27946
diff
changeset
|
874 # Changegroup versions that can be created from the repo |
88609cfa3745
changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27946
diff
changeset
|
875 def supportedoutgoingversions(repo): |
88609cfa3745
changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27946
diff
changeset
|
876 versions = allsupportedversions(repo.ui) |
88609cfa3745
changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27946
diff
changeset
|
877 if 'treemanifest' in repo.requirements: |
27928
c0f11347b107
changegroup: don't support versions 01 and 02 with treemanifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27920
diff
changeset
|
878 # Versions 01 and 02 support only flat manifests and it's just too |
c0f11347b107
changegroup: don't support versions 01 and 02 with treemanifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27920
diff
changeset
|
879 # expensive to convert between the flat manifest and tree manifest on |
c0f11347b107
changegroup: don't support versions 01 and 02 with treemanifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27920
diff
changeset
|
880 # the fly. Since tree manifests are hashed differently, all of history |
c0f11347b107
changegroup: don't support versions 01 and 02 with treemanifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27920
diff
changeset
|
881 # would have to be converted. Instead, we simply don't even pretend to |
c0f11347b107
changegroup: don't support versions 01 and 02 with treemanifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27920
diff
changeset
|
882 # support versions 01 and 02. |
c0f11347b107
changegroup: don't support versions 01 and 02 with treemanifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27920
diff
changeset
|
883 versions.discard('01') |
c0f11347b107
changegroup: don't support versions 01 and 02 with treemanifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27920
diff
changeset
|
884 versions.discard('02') |
27953
88609cfa3745
changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27946
diff
changeset
|
885 versions.add('03') |
27752
29cfc474c5fd
changegroup3: introduce experimental.changegroup3 boolean config
Martin von Zweigbergk <martinvonz@google.com>
parents:
27751
diff
changeset
|
886 return versions |
27751
a40e2f7fe49d
changegroup: hide packermap behind methods
Martin von Zweigbergk <martinvonz@google.com>
parents:
27739
diff
changeset
|
887 |
27929
3b2ac2115464
changegroup: introduce safeversion()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27928
diff
changeset
|
888 def safeversion(repo): |
3b2ac2115464
changegroup: introduce safeversion()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27928
diff
changeset
|
889 # Finds the smallest version that it's safe to assume clients of the repo |
27931
1289a122cf3f
shelve: use cg3 for treemanifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27929
diff
changeset
|
890 # will support. For example, all hg versions that support generaldelta also |
1289a122cf3f
shelve: use cg3 for treemanifests
Martin von Zweigbergk <martinvonz@google.com>
parents:
27929
diff
changeset
|
891 # support changegroup 02. |
27953
88609cfa3745
changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27946
diff
changeset
|
892 versions = supportedoutgoingversions(repo) |
27929
3b2ac2115464
changegroup: introduce safeversion()
Martin von Zweigbergk <martinvonz@google.com>
parents:
27928
diff
changeset
|
893 if 'generaldelta' in repo.requirements: |
3b2ac2115464
changegroup: introduce safeversion()
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894 versions.discard('01') |
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895 assert versions |
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896 return min(versions) |
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897 |
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898 def getbundler(version, repo, bundlecaps=None): |
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|
899 assert version in supportedoutgoingversions(repo) |
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900 return _packermap[version][0](repo, bundlecaps) |
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901 |
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902 def getunbundler(version, fh, alg): |
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|
903 return _packermap[version][1](fh, alg) |
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904 |
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905 def _changegroupinfo(repo, nodes, source): |
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906 if repo.ui.verbose or source == 'bundle': |
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907 repo.ui.status(_("%d changesets found\n") % len(nodes)) |
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908 if repo.ui.debugflag: |
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909 repo.ui.debug("list of changesets:\n") |
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910 for node in nodes: |
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911 repo.ui.debug("%s\n" % hex(node)) |
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912 |
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913 def getsubsetraw(repo, outgoing, bundler, source, fastpath=False): |
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914 repo = repo.unfiltered() |
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915 commonrevs = outgoing.common |
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916 csets = outgoing.missing |
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917 heads = outgoing.missingheads |
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918 # We go through the fast path if we get told to, or if all (unfiltered |
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919 # heads have been requested (since we then know there all linkrevs will |
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920 # be pulled by the client). |
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921 heads.sort() |
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922 fastpathlinkrev = fastpath or ( |
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923 repo.filtername is None and heads == sorted(repo.heads())) |
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924 |
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|
925 repo.hook('preoutgoing', throw=True, source=source) |
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926 _changegroupinfo(repo, csets, source) |
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927 return bundler.generate(commonrevs, csets, fastpathlinkrev, source) |
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928 |
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929 def getsubset(repo, outgoing, bundler, source, fastpath=False): |
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930 gengroup = getsubsetraw(repo, outgoing, bundler, source, fastpath) |
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931 return getunbundler(bundler.version, util.chunkbuffer(gengroup), None) |
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932 |
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933 def changegroupsubset(repo, roots, heads, source, version='01'): |
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934 """Compute a changegroup consisting of all the nodes that are |
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935 descendants of any of the roots and ancestors of any of the heads. |
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936 Return a chunkbuffer object whose read() method will return |
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937 successive changegroup chunks. |
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938 |
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939 It is fairly complex as determining which filenodes and which |
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|
940 manifest nodes need to be included for the changeset to be complete |
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941 is non-trivial. |
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942 |
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943 Another wrinkle is doing the reverse, figuring out which changeset in |
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|
944 the changegroup a particular filenode or manifestnode belongs to. |
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945 """ |
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946 cl = repo.changelog |
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947 if not roots: |
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948 roots = [nullid] |
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949 discbases = [] |
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950 for n in roots: |
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|
951 discbases.extend([p for p in cl.parents(n) if p != nullid]) |
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|
952 # TODO: remove call to nodesbetween. |
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953 csets, roots, heads = cl.nodesbetween(roots, heads) |
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|
954 included = set(csets) |
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|
955 discbases = [n for n in discbases if n not in included] |
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956 outgoing = discovery.outgoing(cl, discbases, heads) |
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957 bundler = getbundler(version, repo) |
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958 return getsubset(repo, outgoing, bundler, source) |
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959 |
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|
960 def getlocalchangegroupraw(repo, source, outgoing, bundlecaps=None, |
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|
961 version='01'): |
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962 """Like getbundle, but taking a discovery.outgoing as an argument. |
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963 |
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964 This is only implemented for local repos and reuses potentially |
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|
965 precomputed sets in outgoing. Returns a raw changegroup generator.""" |
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966 if not outgoing.missing: |
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967 return None |
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968 bundler = getbundler(version, repo, bundlecaps) |
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969 return getsubsetraw(repo, outgoing, bundler, source) |
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970 |
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|
971 def getlocalchangegroup(repo, source, outgoing, bundlecaps=None, |
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|
972 version='01'): |
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|
973 """Like getbundle, but taking a discovery.outgoing as an argument. |
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974 |
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975 This is only implemented for local repos and reuses potentially |
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|
976 precomputed sets in outgoing.""" |
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977 if not outgoing.missing: |
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978 return None |
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|
979 bundler = getbundler(version, repo, bundlecaps) |
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980 return getsubset(repo, outgoing, bundler, source) |
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|
981 |
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7759dc97c5c7
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diff
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|
982 def computeoutgoing(repo, heads, common): |
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|
983 """Computes which revs are outgoing given a set of common |
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984 and a set of heads. |
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985 |
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|
986 This is a separate function so extensions can have access to |
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|
987 the logic. |
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|
988 |
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989 Returns a discovery.outgoing object. |
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|
990 """ |
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991 cl = repo.changelog |
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|
992 if common: |
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993 hasnode = cl.hasnode |
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994 common = [n for n in common if hasnode(n)] |
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995 else: |
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|
996 common = [nullid] |
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997 if not heads: |
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998 heads = cl.heads() |
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999 return discovery.outgoing(cl, common, heads) |
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1000 |
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|
1001 def getchangegroup(repo, source, heads=None, common=None, bundlecaps=None, |
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1002 version='01'): |
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1003 """Like changegroupsubset, but returns the set difference between the |
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1004 ancestors of heads and the ancestors common. |
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1005 |
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1006 If heads is None, use the local heads. If common is None, use [nullid]. |
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1007 |
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1008 The nodes in common might not all be known locally due to the way the |
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1009 current discovery protocol works. |
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1010 """ |
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1011 outgoing = computeoutgoing(repo, heads, common) |
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1012 return getlocalchangegroup(repo, source, outgoing, bundlecaps=bundlecaps, |
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1013 version=version) |
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1014 |
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1015 def changegroup(repo, basenodes, source): |
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1016 # to avoid a race we use changegroupsubset() (issue1320) |
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1017 return changegroupsubset(repo, basenodes, repo.heads(), source) |
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1018 |
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1019 def _addchangegroupfiles(repo, source, revmap, trp, expectedfiles, needfiles): |
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1020 revisions = 0 |
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1021 files = 0 |
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1022 while True: |
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1023 chunkdata = source.filelogheader() |
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1024 if not chunkdata: |
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1025 break |
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1026 files += 1 |
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1027 f = chunkdata["filename"] |
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1028 repo.ui.debug("adding %s revisions\n" % f) |
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1029 repo.ui.progress(_('files'), files, unit=_('files'), |
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1030 total=expectedfiles) |
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1031 fl = repo.file(f) |
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1032 o = len(fl) |
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1033 try: |
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1034 if not fl.addgroup(source, revmap, trp): |
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1035 raise error.Abort(_("received file revlog group is empty")) |
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1036 except error.CensoredBaseError as e: |
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1037 raise error.Abort(_("received delta base is censored: %s") % e) |
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1038 revisions += len(fl) - o |
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1039 if f in needfiles: |
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1040 needs = needfiles[f] |
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1041 for new in xrange(o, len(fl)): |
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1042 n = fl.node(new) |
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1043 if n in needs: |
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1044 needs.remove(n) |
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1045 else: |
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1046 raise error.Abort( |
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1047 _("received spurious file revlog entry")) |
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1048 if not needs: |
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1049 del needfiles[f] |
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1050 repo.ui.progress(_('files'), None) |
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1051 |
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1052 for f, needs in needfiles.iteritems(): |
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1053 fl = repo.file(f) |
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1054 for n in needs: |
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1055 try: |
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1056 fl.rev(n) |
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1057 except error.LookupError: |
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1058 raise error.Abort( |
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1059 _('missing file data for %s:%s - run hg verify') % |
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1060 (f, hex(n))) |
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1061 |
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1062 return revisions, files |