Mercurial > hg
annotate mercurial/changegroup.py @ 21745:4c62478be2ea
minirst: explicitly decode substitutions
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author | Matt Mackall <mpm@selenic.com> |
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date | Fri, 13 Jun 2014 14:14:02 -0500 |
parents | aa3e56607675 |
children | 97f86ce79abe |
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 import weakref |
3891 | 9 from i18n import _ |
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10 from node import nullrev, nullid, hex, short |
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11 import mdiff, util, dagutil |
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12 import struct, os, bz2, zlib, tempfile |
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13 import discovery, error, phases, branchmap |
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14 |
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15 _BUNDLE10_DELTA_HEADER = "20s20s20s20s" |
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16 |
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17 def readexactly(stream, n): |
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18 '''read n bytes from stream.read and abort if less was available''' |
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19 s = stream.read(n) |
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20 if len(s) < n: |
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21 raise util.Abort(_("stream ended unexpectedly" |
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22 " (got %d bytes, expected %d)") |
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23 % (len(s), n)) |
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24 return s |
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25 |
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26 def getchunk(stream): |
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27 """return the next chunk from stream as a string""" |
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28 d = readexactly(stream, 4) |
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29 l = struct.unpack(">l", d)[0] |
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30 if l <= 4: |
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31 if l: |
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32 raise util.Abort(_("invalid chunk length %d") % l) |
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33 return "" |
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34 return readexactly(stream, l - 4) |
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35 |
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36 def chunkheader(length): |
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37 """return a changegroup chunk header (string)""" |
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38 return struct.pack(">l", length + 4) |
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39 |
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40 def closechunk(): |
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41 """return a changegroup chunk header (string) for a zero-length chunk""" |
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42 return struct.pack(">l", 0) |
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43 |
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44 class nocompress(object): |
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45 def compress(self, x): |
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46 return x |
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47 def flush(self): |
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48 return "" |
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49 |
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50 bundletypes = { |
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51 "": ("", nocompress), # only when using unbundle on ssh and old http servers |
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52 # since the unification ssh accepts a header but there |
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53 # is no capability signaling it. |
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54 "HG10UN": ("HG10UN", nocompress), |
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55 "HG10BZ": ("HG10", lambda: bz2.BZ2Compressor()), |
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56 "HG10GZ": ("HG10GZ", lambda: zlib.compressobj()), |
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57 } |
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58 |
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60 bundlepriority = ['HG10GZ', 'HG10BZ', 'HG10UN'] |
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61 |
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62 def writebundle(cg, filename, bundletype, vfs=None): |
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63 """Write a bundle file and return its filename. |
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64 |
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65 Existing files will not be overwritten. |
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66 If no filename is specified, a temporary file is created. |
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67 bz2 compression can be turned off. |
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68 The bundle file will be deleted in case of errors. |
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69 """ |
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70 |
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71 fh = None |
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72 cleanup = None |
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73 try: |
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74 if filename: |
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75 if vfs: |
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76 fh = vfs.open(filename, "wb") |
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77 else: |
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78 fh = open(filename, "wb") |
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79 else: |
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80 fd, filename = tempfile.mkstemp(prefix="hg-bundle-", suffix=".hg") |
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81 fh = os.fdopen(fd, "wb") |
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82 cleanup = filename |
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83 |
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84 header, compressor = bundletypes[bundletype] |
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85 fh.write(header) |
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86 z = compressor() |
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87 |
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88 # parse the changegroup data, otherwise we will block |
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89 # in case of sshrepo because we don't know the end of the stream |
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90 |
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91 # an empty chunkgroup is the end of the changegroup |
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92 # a changegroup has at least 2 chunkgroups (changelog and manifest). |
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93 # after that, an empty chunkgroup is the end of the changegroup |
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94 for chunk in cg.getchunks(): |
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95 fh.write(z.compress(chunk)) |
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96 fh.write(z.flush()) |
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97 cleanup = None |
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98 return filename |
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99 finally: |
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100 if fh is not None: |
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101 fh.close() |
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102 if cleanup is not None: |
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103 if filename and vfs: |
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104 vfs.unlink(cleanup) |
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105 else: |
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106 os.unlink(cleanup) |
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107 |
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108 def decompressor(fh, alg): |
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109 if alg == 'UN': |
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110 return fh |
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111 elif alg == 'GZ': |
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112 def generator(f): |
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113 zd = zlib.decompressobj() |
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114 for chunk in util.filechunkiter(f): |
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115 yield zd.decompress(chunk) |
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116 elif alg == 'BZ': |
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117 def generator(f): |
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118 zd = bz2.BZ2Decompressor() |
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119 zd.decompress("BZ") |
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120 for chunk in util.filechunkiter(f, 4096): |
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121 yield zd.decompress(chunk) |
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122 else: |
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123 raise util.Abort("unknown bundle compression '%s'" % alg) |
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124 return util.chunkbuffer(generator(fh)) |
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125 |
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126 class unbundle10(object): |
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127 deltaheader = _BUNDLE10_DELTA_HEADER |
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128 deltaheadersize = struct.calcsize(deltaheader) |
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129 def __init__(self, fh, alg): |
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130 self._stream = decompressor(fh, alg) |
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131 self._type = alg |
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132 self.callback = None |
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133 def compressed(self): |
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134 return self._type != 'UN' |
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135 def read(self, l): |
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136 return self._stream.read(l) |
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137 def seek(self, pos): |
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138 return self._stream.seek(pos) |
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139 def tell(self): |
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140 return self._stream.tell() |
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141 def close(self): |
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142 return self._stream.close() |
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143 |
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144 def chunklength(self): |
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145 d = readexactly(self._stream, 4) |
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146 l = struct.unpack(">l", d)[0] |
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147 if l <= 4: |
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148 if l: |
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149 raise util.Abort(_("invalid chunk length %d") % l) |
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150 return 0 |
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151 if self.callback: |
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152 self.callback() |
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153 return l - 4 |
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154 |
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155 def changelogheader(self): |
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156 """v10 does not have a changelog header chunk""" |
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157 return {} |
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158 |
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159 def manifestheader(self): |
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160 """v10 does not have a manifest header chunk""" |
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161 return {} |
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162 |
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163 def filelogheader(self): |
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164 """return the header of the filelogs chunk, v10 only has the filename""" |
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165 l = self.chunklength() |
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166 if not l: |
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167 return {} |
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168 fname = readexactly(self._stream, l) |
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169 return {'filename': fname} |
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170 |
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171 def _deltaheader(self, headertuple, prevnode): |
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172 node, p1, p2, cs = headertuple |
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173 if prevnode is None: |
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174 deltabase = p1 |
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175 else: |
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176 deltabase = prevnode |
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177 return node, p1, p2, deltabase, cs |
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178 |
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179 def deltachunk(self, prevnode): |
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180 l = self.chunklength() |
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181 if not l: |
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182 return {} |
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183 headerdata = readexactly(self._stream, self.deltaheadersize) |
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184 header = struct.unpack(self.deltaheader, headerdata) |
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185 delta = readexactly(self._stream, l - self.deltaheadersize) |
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186 node, p1, p2, deltabase, cs = self._deltaheader(header, prevnode) |
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187 return {'node': node, 'p1': p1, 'p2': p2, 'cs': cs, |
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188 'deltabase': deltabase, 'delta': delta} |
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189 |
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190 def getchunks(self): |
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191 """returns all the chunks contains in the bundle |
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192 |
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193 Used when you need to forward the binary stream to a file or another |
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194 network API. To do so, it parse the changegroup data, otherwise it will |
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195 block in case of sshrepo because it don't know the end of the stream. |
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196 """ |
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197 # an empty chunkgroup is the end of the changegroup |
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198 # a changegroup has at least 2 chunkgroups (changelog and manifest). |
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199 # after that, an empty chunkgroup is the end of the changegroup |
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200 empty = False |
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201 count = 0 |
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202 while not empty or count <= 2: |
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203 empty = True |
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204 count += 1 |
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205 while True: |
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206 chunk = getchunk(self) |
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207 if not chunk: |
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208 break |
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209 empty = False |
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210 yield chunkheader(len(chunk)) |
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211 pos = 0 |
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212 while pos < len(chunk): |
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213 next = pos + 2**20 |
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214 yield chunk[pos:next] |
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215 pos = next |
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216 yield closechunk() |
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217 |
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218 class headerlessfixup(object): |
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219 def __init__(self, fh, h): |
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220 self._h = h |
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221 self._fh = fh |
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222 def read(self, n): |
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223 if self._h: |
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224 d, self._h = self._h[:n], self._h[n:] |
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225 if len(d) < n: |
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226 d += readexactly(self._fh, n - len(d)) |
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227 return d |
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228 return readexactly(self._fh, n) |
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229 |
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230 class bundle10(object): |
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231 deltaheader = _BUNDLE10_DELTA_HEADER |
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232 def __init__(self, repo, bundlecaps=None): |
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233 """Given a source repo, construct a bundler. |
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234 |
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235 bundlecaps is optional and can be used to specify the set of |
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236 capabilities which can be used to build the bundle. |
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237 """ |
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238 # Set of capabilities we can use to build the bundle. |
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239 if bundlecaps is None: |
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240 bundlecaps = set() |
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241 self._bundlecaps = bundlecaps |
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242 self._changelog = repo.changelog |
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243 self._manifest = repo.manifest |
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244 reorder = repo.ui.config('bundle', 'reorder', 'auto') |
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245 if reorder == 'auto': |
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246 reorder = None |
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247 else: |
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248 reorder = util.parsebool(reorder) |
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249 self._repo = repo |
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250 self._reorder = reorder |
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251 self._progress = repo.ui.progress |
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252 def close(self): |
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253 return closechunk() |
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254 |
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255 def fileheader(self, fname): |
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256 return chunkheader(len(fname)) + fname |
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257 |
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258 def group(self, nodelist, revlog, lookup, units=None, reorder=None): |
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259 """Calculate a delta group, yielding a sequence of changegroup chunks |
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260 (strings). |
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261 |
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262 Given a list of changeset revs, return a set of deltas and |
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263 metadata corresponding to nodes. The first delta is |
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264 first parent(nodelist[0]) -> nodelist[0], the receiver is |
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265 guaranteed to have this parent as it has all history before |
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266 these changesets. In the case firstparent is nullrev the |
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267 changegroup starts with a full revision. |
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268 |
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269 If units is not None, progress detail will be generated, units specifies |
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270 the type of revlog that is touched (changelog, manifest, etc.). |
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271 """ |
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272 # if we don't have any revisions touched by these changesets, bail |
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273 if len(nodelist) == 0: |
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274 yield self.close() |
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275 return |
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276 |
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277 # for generaldelta revlogs, we linearize the revs; this will both be |
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278 # much quicker and generate a much smaller bundle |
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279 if (revlog._generaldelta and reorder is not False) or reorder: |
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280 dag = dagutil.revlogdag(revlog) |
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281 revs = set(revlog.rev(n) for n in nodelist) |
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282 revs = dag.linearize(revs) |
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283 else: |
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284 revs = sorted([revlog.rev(n) for n in nodelist]) |
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285 |
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286 # add the parent of the first rev |
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287 p = revlog.parentrevs(revs[0])[0] |
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288 revs.insert(0, p) |
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289 |
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290 # build deltas |
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291 total = len(revs) - 1 |
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292 msgbundling = _('bundling') |
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293 for r in xrange(len(revs) - 1): |
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294 if units is not None: |
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295 self._progress(msgbundling, r + 1, unit=units, total=total) |
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296 prev, curr = revs[r], revs[r + 1] |
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297 linknode = lookup(revlog.node(curr)) |
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298 for c in self.revchunk(revlog, curr, prev, linknode): |
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299 yield c |
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300 |
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301 yield self.close() |
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302 |
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303 # filter any nodes that claim to be part of the known set |
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304 def prune(self, revlog, missing, commonrevs, source): |
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305 rr, rl = revlog.rev, revlog.linkrev |
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306 return [n for n in missing if rl(rr(n)) not in commonrevs] |
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307 |
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308 def generate(self, commonrevs, clnodes, fastpathlinkrev, source): |
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309 '''yield a sequence of changegroup chunks (strings)''' |
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310 repo = self._repo |
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311 cl = self._changelog |
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312 mf = self._manifest |
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313 reorder = self._reorder |
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314 progress = self._progress |
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315 |
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316 # for progress output |
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317 msgbundling = _('bundling') |
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318 |
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319 mfs = {} # needed manifests |
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320 fnodes = {} # needed file nodes |
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321 changedfiles = set() |
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322 |
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323 # Callback for the changelog, used to collect changed files and manifest |
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324 # nodes. |
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325 # Returns the linkrev node (identity in the changelog case). |
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326 def lookupcl(x): |
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327 c = cl.read(x) |
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328 changedfiles.update(c[3]) |
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329 # record the first changeset introducing this manifest version |
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330 mfs.setdefault(c[0], x) |
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331 return x |
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332 |
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333 # Callback for the manifest, used to collect linkrevs for filelog |
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334 # revisions. |
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335 # Returns the linkrev node (collected in lookupcl). |
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336 def lookupmf(x): |
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337 clnode = mfs[x] |
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338 if not fastpathlinkrev: |
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339 mdata = mf.readfast(x) |
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340 for f, n in mdata.iteritems(): |
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341 if f in changedfiles: |
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342 # record the first changeset introducing this filelog |
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343 # version |
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344 fnodes[f].setdefault(n, clnode) |
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345 return clnode |
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346 |
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347 for chunk in self.group(clnodes, cl, lookupcl, units=_('changesets'), |
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348 reorder=reorder): |
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349 yield chunk |
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350 progress(msgbundling, None) |
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351 |
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352 for f in changedfiles: |
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353 fnodes[f] = {} |
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354 mfnodes = self.prune(mf, mfs, commonrevs, source) |
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355 for chunk in self.group(mfnodes, mf, lookupmf, units=_('manifests'), |
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356 reorder=reorder): |
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357 yield chunk |
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358 progress(msgbundling, None) |
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359 |
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360 mfs.clear() |
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361 needed = set(cl.rev(x) for x in clnodes) |
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362 |
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363 def linknodes(filerevlog, fname): |
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364 if fastpathlinkrev: |
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365 llr = filerevlog.linkrev |
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366 def genfilenodes(): |
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367 for r in filerevlog: |
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368 linkrev = llr(r) |
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369 if linkrev in needed: |
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370 yield filerevlog.node(r), cl.node(linkrev) |
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371 fnodes[fname] = dict(genfilenodes()) |
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372 return fnodes.get(fname, {}) |
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373 |
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374 for chunk in self.generatefiles(changedfiles, linknodes, commonrevs, |
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375 source): |
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376 yield chunk |
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377 |
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378 yield self.close() |
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379 progress(msgbundling, None) |
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380 |
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381 if clnodes: |
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382 repo.hook('outgoing', node=hex(clnodes[0]), source=source) |
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|
383 |
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384 def generatefiles(self, changedfiles, linknodes, commonrevs, source): |
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385 repo = self._repo |
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386 progress = self._progress |
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387 reorder = self._reorder |
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388 msgbundling = _('bundling') |
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389 |
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390 total = len(changedfiles) |
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391 # for progress output |
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392 msgfiles = _('files') |
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393 for i, fname in enumerate(sorted(changedfiles)): |
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394 filerevlog = repo.file(fname) |
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395 if not filerevlog: |
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396 raise util.Abort(_("empty or missing revlog for %s") % fname) |
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397 |
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398 linkrevnodes = linknodes(filerevlog, fname) |
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399 # Lookup for filenodes, we collected the linkrev nodes above in the |
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400 # fastpath case and with lookupmf in the slowpath case. |
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401 def lookupfilelog(x): |
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402 return linkrevnodes[x] |
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|
403 |
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404 filenodes = self.prune(filerevlog, linkrevnodes, commonrevs, source) |
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405 if filenodes: |
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406 progress(msgbundling, i + 1, item=fname, unit=msgfiles, |
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407 total=total) |
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408 yield self.fileheader(fname) |
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409 for chunk in self.group(filenodes, filerevlog, lookupfilelog, |
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410 reorder=reorder): |
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411 yield chunk |
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|
412 |
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|
413 def revchunk(self, revlog, rev, prev, linknode): |
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|
414 node = revlog.node(rev) |
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415 p1, p2 = revlog.parentrevs(rev) |
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416 base = prev |
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417 |
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418 prefix = '' |
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419 if base == nullrev: |
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420 delta = revlog.revision(node) |
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421 prefix = mdiff.trivialdiffheader(len(delta)) |
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422 else: |
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423 delta = revlog.revdiff(base, rev) |
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424 p1n, p2n = revlog.parents(node) |
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425 basenode = revlog.node(base) |
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426 meta = self.builddeltaheader(node, p1n, p2n, basenode, linknode) |
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427 meta += prefix |
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428 l = len(meta) + len(delta) |
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429 yield chunkheader(l) |
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430 yield meta |
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431 yield delta |
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432 def builddeltaheader(self, node, p1n, p2n, basenode, linknode): |
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433 # do nothing with basenode, it is implicitly the previous one in HG10 |
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434 return struct.pack(self.deltaheader, node, p1n, p2n, linknode) |
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435 |
20926
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436 def _changegroupinfo(repo, nodes, source): |
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437 if repo.ui.verbose or source == 'bundle': |
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438 repo.ui.status(_("%d changesets found\n") % len(nodes)) |
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439 if repo.ui.debugflag: |
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440 repo.ui.debug("list of changesets:\n") |
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441 for node in nodes: |
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442 repo.ui.debug("%s\n" % hex(node)) |
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443 |
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444 def getsubset(repo, outgoing, bundler, source, fastpath=False): |
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445 repo = repo.unfiltered() |
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446 commonrevs = outgoing.common |
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447 csets = outgoing.missing |
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448 heads = outgoing.missingheads |
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449 # We go through the fast path if we get told to, or if all (unfiltered |
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450 # heads have been requested (since we then know there all linkrevs will |
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451 # be pulled by the client). |
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452 heads.sort() |
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453 fastpathlinkrev = fastpath or ( |
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454 repo.filtername is None and heads == sorted(repo.heads())) |
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455 |
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456 repo.hook('preoutgoing', throw=True, source=source) |
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457 _changegroupinfo(repo, csets, source) |
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458 gengroup = bundler.generate(commonrevs, csets, fastpathlinkrev, source) |
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459 return unbundle10(util.chunkbuffer(gengroup), 'UN') |
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460 |
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461 def changegroupsubset(repo, roots, heads, source): |
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462 """Compute a changegroup consisting of all the nodes that are |
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463 descendants of any of the roots and ancestors of any of the heads. |
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464 Return a chunkbuffer object whose read() method will return |
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465 successive changegroup chunks. |
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466 |
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467 It is fairly complex as determining which filenodes and which |
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468 manifest nodes need to be included for the changeset to be complete |
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469 is non-trivial. |
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470 |
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471 Another wrinkle is doing the reverse, figuring out which changeset in |
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472 the changegroup a particular filenode or manifestnode belongs to. |
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473 """ |
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474 cl = repo.changelog |
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475 if not roots: |
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476 roots = [nullid] |
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477 # TODO: remove call to nodesbetween. |
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478 csets, roots, heads = cl.nodesbetween(roots, heads) |
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479 discbases = [] |
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480 for n in roots: |
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481 discbases.extend([p for p in cl.parents(n) if p != nullid]) |
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482 outgoing = discovery.outgoing(cl, discbases, heads) |
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483 bundler = bundle10(repo) |
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484 return getsubset(repo, outgoing, bundler, source) |
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485 |
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486 def getlocalbundle(repo, source, outgoing, bundlecaps=None): |
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487 """Like getbundle, but taking a discovery.outgoing as an argument. |
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488 |
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489 This is only implemented for local repos and reuses potentially |
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490 precomputed sets in outgoing.""" |
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491 if not outgoing.missing: |
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492 return None |
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493 bundler = bundle10(repo, bundlecaps) |
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494 return getsubset(repo, outgoing, bundler, source) |
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495 |
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496 def _computeoutgoing(repo, heads, common): |
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497 """Computes which revs are outgoing given a set of common |
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498 and a set of heads. |
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499 |
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500 This is a separate function so extensions can have access to |
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501 the logic. |
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502 |
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503 Returns a discovery.outgoing object. |
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504 """ |
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505 cl = repo.changelog |
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506 if common: |
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507 hasnode = cl.hasnode |
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508 common = [n for n in common if hasnode(n)] |
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509 else: |
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510 common = [nullid] |
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511 if not heads: |
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512 heads = cl.heads() |
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513 return discovery.outgoing(cl, common, heads) |
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514 |
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515 def getbundle(repo, source, heads=None, common=None, bundlecaps=None): |
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516 """Like changegroupsubset, but returns the set difference between the |
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517 ancestors of heads and the ancestors common. |
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518 |
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519 If heads is None, use the local heads. If common is None, use [nullid]. |
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520 |
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521 The nodes in common might not all be known locally due to the way the |
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522 current discovery protocol works. |
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523 """ |
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524 outgoing = _computeoutgoing(repo, heads, common) |
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525 return getlocalbundle(repo, source, outgoing, bundlecaps=bundlecaps) |
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526 |
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527 def changegroup(repo, basenodes, source): |
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528 # to avoid a race we use changegroupsubset() (issue1320) |
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529 return changegroupsubset(repo, basenodes, repo.heads(), source) |
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530 |
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531 def addchangegroupfiles(repo, source, revmap, trp, pr, needfiles): |
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532 revisions = 0 |
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533 files = 0 |
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534 while True: |
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535 chunkdata = source.filelogheader() |
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536 if not chunkdata: |
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537 break |
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538 f = chunkdata["filename"] |
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539 repo.ui.debug("adding %s revisions\n" % f) |
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540 pr() |
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541 fl = repo.file(f) |
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542 o = len(fl) |
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543 if not fl.addgroup(source, revmap, trp): |
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544 raise util.Abort(_("received file revlog group is empty")) |
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545 revisions += len(fl) - o |
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546 files += 1 |
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547 if f in needfiles: |
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548 needs = needfiles[f] |
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549 for new in xrange(o, len(fl)): |
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550 n = fl.node(new) |
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551 if n in needs: |
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552 needs.remove(n) |
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553 else: |
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554 raise util.Abort( |
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555 _("received spurious file revlog entry")) |
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556 if not needs: |
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557 del needfiles[f] |
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558 repo.ui.progress(_('files'), None) |
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559 |
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560 for f, needs in needfiles.iteritems(): |
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561 fl = repo.file(f) |
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562 for n in needs: |
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563 try: |
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564 fl.rev(n) |
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565 except error.LookupError: |
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566 raise util.Abort( |
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567 _('missing file data for %s:%s - run hg verify') % |
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568 (f, hex(n))) |
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569 |
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570 return revisions, files |
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571 |
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572 def addchangegroup(repo, source, srctype, url, emptyok=False): |
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573 """Add the changegroup returned by source.read() to this repo. |
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574 srctype is a string like 'push', 'pull', or 'unbundle'. url is |
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575 the URL of the repo where this changegroup is coming from. |
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576 |
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577 Return an integer summarizing the change to this repo: |
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578 - nothing changed or no source: 0 |
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579 - more heads than before: 1+added heads (2..n) |
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580 - fewer heads than before: -1-removed heads (-2..-n) |
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581 - number of heads stays the same: 1 |
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582 """ |
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583 repo = repo.unfiltered() |
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584 def csmap(x): |
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585 repo.ui.debug("add changeset %s\n" % short(x)) |
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586 return len(cl) |
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587 |
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588 def revmap(x): |
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589 return cl.rev(x) |
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590 |
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591 if not source: |
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592 return 0 |
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593 |
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594 repo.hook('prechangegroup', throw=True, source=srctype, url=url) |
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595 |
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596 changesets = files = revisions = 0 |
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597 efiles = set() |
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598 |
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599 # write changelog data to temp files so concurrent readers will not see |
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600 # inconsistent view |
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601 cl = repo.changelog |
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602 cl.delayupdate() |
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603 oldheads = cl.heads() |
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604 |
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605 tr = repo.transaction("\n".join([srctype, util.hidepassword(url)])) |
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606 try: |
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607 trp = weakref.proxy(tr) |
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608 # pull off the changeset group |
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609 repo.ui.status(_("adding changesets\n")) |
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610 clstart = len(cl) |
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611 class prog(object): |
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612 step = _('changesets') |
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613 count = 1 |
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614 ui = repo.ui |
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615 total = None |
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616 def __call__(repo): |
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617 repo.ui.progress(repo.step, repo.count, unit=_('chunks'), |
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618 total=repo.total) |
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619 repo.count += 1 |
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620 pr = prog() |
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621 source.callback = pr |
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622 |
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623 source.changelogheader() |
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624 srccontent = cl.addgroup(source, csmap, trp) |
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625 if not (srccontent or emptyok): |
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626 raise util.Abort(_("received changelog group is empty")) |
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627 clend = len(cl) |
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628 changesets = clend - clstart |
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629 for c in xrange(clstart, clend): |
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630 efiles.update(repo[c].files()) |
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631 efiles = len(efiles) |
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632 repo.ui.progress(_('changesets'), None) |
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633 |
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634 # pull off the manifest group |
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635 repo.ui.status(_("adding manifests\n")) |
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636 pr.step = _('manifests') |
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637 pr.count = 1 |
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638 pr.total = changesets # manifests <= changesets |
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639 # no need to check for empty manifest group here: |
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640 # if the result of the merge of 1 and 2 is the same in 3 and 4, |
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641 # no new manifest will be created and the manifest group will |
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642 # be empty during the pull |
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643 source.manifestheader() |
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644 repo.manifest.addgroup(source, revmap, trp) |
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645 repo.ui.progress(_('manifests'), None) |
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646 |
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647 needfiles = {} |
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648 if repo.ui.configbool('server', 'validate', default=False): |
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649 # validate incoming csets have their manifests |
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650 for cset in xrange(clstart, clend): |
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651 mfest = repo.changelog.read(repo.changelog.node(cset))[0] |
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652 mfest = repo.manifest.readdelta(mfest) |
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653 # store file nodes we must see |
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654 for f, n in mfest.iteritems(): |
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655 needfiles.setdefault(f, set()).add(n) |
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656 |
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657 # process the files |
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658 repo.ui.status(_("adding file changes\n")) |
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659 pr.step = _('files') |
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660 pr.count = 1 |
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661 pr.total = efiles |
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662 source.callback = None |
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663 |
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664 newrevs, newfiles = addchangegroupfiles(repo, source, revmap, trp, pr, |
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665 needfiles) |
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666 revisions += newrevs |
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667 files += newfiles |
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668 |
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669 dh = 0 |
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670 if oldheads: |
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671 heads = cl.heads() |
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672 dh = len(heads) - len(oldheads) |
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673 for h in heads: |
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674 if h not in oldheads and repo[h].closesbranch(): |
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675 dh -= 1 |
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676 htext = "" |
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677 if dh: |
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678 htext = _(" (%+d heads)") % dh |
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679 |
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680 repo.ui.status(_("added %d changesets" |
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681 " with %d changes to %d files%s\n") |
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682 % (changesets, revisions, files, htext)) |
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683 repo.invalidatevolatilesets() |
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684 |
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685 if changesets > 0: |
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686 p = lambda: cl.writepending() and repo.root or "" |
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687 if 'node' not in tr.hookargs: |
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688 tr.hookargs['node'] = hex(cl.node(clstart)) |
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689 repo.hook('pretxnchangegroup', throw=True, source=srctype, |
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690 url=url, pending=p, **tr.hookargs) |
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691 |
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692 added = [cl.node(r) for r in xrange(clstart, clend)] |
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693 publishing = repo.ui.configbool('phases', 'publish', True) |
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694 if srctype in ('push', 'serve'): |
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695 # Old servers can not push the boundary themselves. |
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696 # New servers won't push the boundary if changeset already |
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697 # exists locally as secret |
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698 # |
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699 # We should not use added here but the list of all change in |
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700 # the bundle |
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701 if publishing: |
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702 phases.advanceboundary(repo, phases.public, srccontent) |
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703 else: |
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704 phases.advanceboundary(repo, phases.draft, srccontent) |
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705 phases.retractboundary(repo, phases.draft, added) |
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706 elif srctype != 'strip': |
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707 # publishing only alter behavior during push |
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708 # |
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709 # strip should not touch boundary at all |
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710 phases.retractboundary(repo, phases.draft, added) |
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711 |
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712 # make changelog see real files again |
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713 cl.finalize(trp) |
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714 |
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715 tr.close() |
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716 |
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717 if changesets > 0: |
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718 if srctype != 'strip': |
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719 # During strip, branchcache is invalid but coming call to |
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720 # `destroyed` will repair it. |
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721 # In other case we can safely update cache on disk. |
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722 branchmap.updatecache(repo.filtered('served')) |
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723 def runhooks(): |
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724 # These hooks run when the lock releases, not when the |
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725 # transaction closes. So it's possible for the changelog |
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726 # to have changed since we last saw it. |
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727 if clstart >= len(repo): |
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728 return |
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729 |
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730 # forcefully update the on-disk branch cache |
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731 repo.ui.debug("updating the branch cache\n") |
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732 repo.hook("changegroup", source=srctype, url=url, |
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733 **tr.hookargs) |
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734 |
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735 for n in added: |
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736 repo.hook("incoming", node=hex(n), source=srctype, |
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737 url=url) |
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738 |
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739 newheads = [h for h in repo.heads() if h not in oldheads] |
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740 repo.ui.log("incoming", |
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741 "%s incoming changes - new heads: %s\n", |
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742 len(added), |
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743 ', '.join([hex(c[:6]) for c in newheads])) |
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744 repo._afterlock(runhooks) |
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745 |
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746 finally: |
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747 tr.release() |
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748 # never return 0 here: |
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749 if dh < 0: |
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750 return dh - 1 |
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751 else: |
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752 return dh + 1 |