Mercurial > hg
annotate hgext/convert/subversion.py @ 5117:c89ed1f27e78
convert: svn: add helper function for optrevs
author | Brendan Cully <brendan@kublai.com> |
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date | Sun, 05 Aug 2007 10:04:00 -0700 |
parents | 35f67dd712d0 |
children | eb81294cf970 |
rev | line source |
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1 # Subversion 1.4/1.5 Python API backend |
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2 # |
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3 # Copyright(C) 2007 Daniel Holth et al |
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4 # |
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5 # Configuration options: |
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6 # |
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7 # convert.svn.trunk |
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8 # Relative path to the trunk (default: "trunk") |
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9 # convert.svn.branches |
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10 # Relative path to tree of branches (default: "branches") |
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11 # |
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12 # Set these in a hgrc, or on the command line as follows: |
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13 # |
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14 # hg convert --config convert.svn.trunk=wackoname [...] |
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15 |
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16 import locale |
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17 import os |
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18 import cPickle as pickle |
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19 from mercurial import util |
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20 |
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21 # Subversion stuff. Works best with very recent Python SVN bindings |
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22 # e.g. SVN 1.5 or backports. Thanks to the bzr folks for enhancing |
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23 # these bindings. |
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24 |
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25 from cStringIO import StringIO |
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26 |
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27 from common import NoRepo, commit, converter_source |
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28 |
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29 try: |
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30 from svn.core import SubversionException, Pool |
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31 import svn |
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32 import svn.client |
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33 import svn.core |
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34 import svn.ra |
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35 import svn.delta |
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36 import transport |
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37 except ImportError: |
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38 pass |
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39 |
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40 def geturl(path): |
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41 try: |
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42 return svn.client.url_from_path(svn.core.svn_path_canonicalize(path)) |
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43 except SubversionException: |
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44 pass |
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45 if os.path.isdir(path): |
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46 return 'file://%s' % os.path.normpath(os.path.abspath(path)) |
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47 return path |
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48 |
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49 def optrev(number): |
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50 optrev = svn.core.svn_opt_revision_t() |
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51 optrev.kind = svn.core.svn_opt_revision_number |
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52 optrev.value.number = number |
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53 return optrev |
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54 |
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55 class changedpath(object): |
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56 def __init__(self, p): |
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57 self.copyfrom_path = p.copyfrom_path |
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58 self.copyfrom_rev = p.copyfrom_rev |
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59 self.action = p.action |
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60 |
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61 # SVN conversion code stolen from bzr-svn and tailor |
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62 class convert_svn(converter_source): |
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63 def __init__(self, ui, url, rev=None): |
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64 super(convert_svn, self).__init__(ui, url, rev=rev) |
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65 |
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66 try: |
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67 SubversionException |
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68 except NameError: |
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69 msg = 'subversion python bindings could not be loaded\n' |
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70 ui.warn(msg) |
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71 raise NoRepo(msg) |
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72 |
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73 self.encoding = locale.getpreferredencoding() |
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74 self.lastrevs = {} |
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75 |
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76 latest = None |
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77 if rev: |
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78 try: |
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79 latest = int(rev) |
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80 except ValueError: |
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81 raise util.Abort('svn: revision %s is not an integer' % rev) |
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82 try: |
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83 # Support file://path@rev syntax. Useful e.g. to convert |
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84 # deleted branches. |
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85 at = url.rfind('@') |
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86 if at >= 0: |
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87 latest = int(url[at+1:]) |
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88 url = url[:at] |
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89 except ValueError, e: |
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90 pass |
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91 self.url = geturl(url) |
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92 self.encoding = 'UTF-8' # Subversion is always nominal UTF-8 |
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93 try: |
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94 self.transport = transport.SvnRaTransport(url=self.url) |
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95 self.ra = self.transport.ra |
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96 self.ctx = self.transport.client |
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97 self.base = svn.ra.get_repos_root(self.ra) |
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98 self.module = self.url[len(self.base):] |
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99 self.modulemap = {} # revision, module |
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100 self.commits = {} |
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101 self.files = {} |
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102 self.uuid = svn.ra.get_uuid(self.ra).decode(self.encoding) |
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103 except SubversionException, e: |
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104 raise NoRepo("couldn't open SVN repo %s" % self.url) |
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105 |
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106 try: |
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107 self.get_blacklist() |
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108 except IOError, e: |
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109 pass |
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110 |
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111 self.last_changed = self.latest(self.module, latest) |
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112 |
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113 self.head = self.revid(self.last_changed) |
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114 |
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115 def setrevmap(self, revmap): |
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116 lastrevs = {} |
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117 for revid in revmap.keys(): |
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118 uuid, module, revnum = self.revsplit(revid) |
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119 lastrevnum = lastrevs.setdefault(module, revnum) |
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120 if revnum > lastrevnum: |
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121 lastrevs[module] = revnum |
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122 self.lastrevs = lastrevs |
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123 |
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124 def exists(self, path, optrev): |
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125 try: |
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126 return svn.client.ls(self.url.rstrip('/') + '/' + path, |
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127 optrev, False, self.ctx) |
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128 except SubversionException, err: |
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129 return [] |
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130 |
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131 def getheads(self): |
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132 # detect standard /branches, /tags, /trunk layout |
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133 rev = optrev(self.last_changed) |
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134 rpath = self.url.strip('/') |
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135 cfgtrunk = self.ui.config('convert', 'svn.trunk') |
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136 cfgbranches = self.ui.config('convert', 'svn.branches') |
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137 trunk = (cfgtrunk or 'trunk').strip('/') |
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138 branches = (cfgbranches or 'branches').strip('/') |
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139 if self.exists(trunk, rev) and self.exists(branches, rev): |
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140 self.ui.note('found trunk at %r and branches at %r\n' % |
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141 (trunk, branches)) |
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142 oldmodule = self.module |
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143 self.module += '/' + trunk |
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144 lt = self.latest(self.module, self.last_changed) |
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145 self.head = self.revid(lt) |
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146 self.heads = [self.head] |
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147 branchnames = svn.client.ls(rpath + '/' + branches, rev, False, |
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148 self.ctx) |
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149 for branch in branchnames.keys(): |
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150 if oldmodule: |
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151 module = '/' + oldmodule + '/' + branches + '/' + branch |
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152 else: |
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153 module = '/' + branches + '/' + branch |
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154 brevnum = self.latest(module, self.last_changed) |
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155 brev = self.revid(brevnum, module) |
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156 self.ui.note('found branch %s at %d\n' % (branch, brevnum)) |
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157 self.heads.append(brev) |
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158 elif cfgtrunk or cfgbranches: |
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159 raise util.Abort(_('trunk/branch layout expected, ' |
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160 'but not found')) |
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161 else: |
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162 self.ui.note('working with one branch\n') |
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163 self.heads = [self.head] |
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164 return self.heads |
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165 |
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166 def getfile(self, file, rev): |
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167 data, mode = self._getfile(file, rev) |
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168 self.modecache[(file, rev)] = mode |
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169 return data |
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170 |
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171 def getmode(self, file, rev): |
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172 return self.modecache[(file, rev)] |
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173 |
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174 def getchanges(self, rev): |
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175 self.modecache = {} |
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176 files = self.files[rev] |
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177 cl = files |
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178 cl.sort() |
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179 # caller caches the result, so free it here to release memory |
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180 del self.files[rev] |
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181 return cl |
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182 |
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183 def getcommit(self, rev): |
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184 if rev not in self.commits: |
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185 uuid, module, revnum = self.revsplit(rev) |
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186 self.module = module |
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187 self.reparent(module) |
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188 stop = self.lastrevs.get(module, 0) |
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189 self._fetch_revisions(from_revnum=revnum, to_revnum=stop) |
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190 commit = self.commits[rev] |
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191 # caller caches the result, so free it here to release memory |
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192 del self.commits[rev] |
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193 return commit |
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194 |
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195 def get_log(self, paths, start, end, limit=0, discover_changed_paths=True, |
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196 strict_node_history=False): |
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197 '''wrapper for svn.ra.get_log. |
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198 on a large repository, svn.ra.get_log pins huge amounts of |
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199 memory that cannot be recovered. work around it by forking |
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200 and writing results over a pipe.''' |
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201 |
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202 def child(fp): |
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203 protocol = -1 |
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204 def receiver(orig_paths, revnum, author, date, message, pool): |
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205 if orig_paths is not None: |
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206 for k, v in orig_paths.iteritems(): |
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207 orig_paths[k] = changedpath(v) |
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208 pickle.dump((orig_paths, revnum, author, date, message), |
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209 fp, protocol) |
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210 |
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211 try: |
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212 # Use an ra of our own so that our parent can consume |
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213 # our results without confusing the server. |
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214 t = transport.SvnRaTransport(url=self.url) |
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215 svn.ra.get_log(t.ra, paths, start, end, limit, |
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216 discover_changed_paths, |
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217 strict_node_history, |
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218 receiver) |
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219 except SubversionException, (_, num): |
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220 self.ui.print_exc() |
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221 pickle.dump(num, fp, protocol) |
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222 else: |
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223 pickle.dump(None, fp, protocol) |
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224 fp.close() |
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225 |
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226 def parent(fp): |
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227 while True: |
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228 entry = pickle.load(fp) |
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229 try: |
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230 orig_paths, revnum, author, date, message = entry |
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231 except: |
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232 if entry is None: |
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233 break |
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234 raise SubversionException("child raised exception", entry) |
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235 yield entry |
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236 |
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237 rfd, wfd = os.pipe() |
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238 pid = os.fork() |
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239 if pid: |
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240 os.close(wfd) |
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241 for p in parent(os.fdopen(rfd, 'rb')): |
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242 yield p |
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243 ret = os.waitpid(pid, 0)[1] |
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244 if ret: |
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245 raise util.Abort(_('get_log %s') % util.explain_exit(ret)) |
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246 else: |
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247 os.close(rfd) |
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248 child(os.fdopen(wfd, 'wb')) |
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249 os._exit(0) |
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250 |
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251 def gettags(self): |
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252 tags = {} |
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253 start = self.revnum(self.head) |
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254 try: |
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255 for entry in self.get_log(['/tags'], 0, start): |
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256 orig_paths, revnum, author, date, message = entry |
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257 for path in orig_paths: |
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258 if not path.startswith('/tags/'): |
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259 continue |
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260 ent = orig_paths[path] |
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261 source = ent.copyfrom_path |
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262 rev = ent.copyfrom_rev |
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263 tag = path.split('/', 2)[2] |
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264 tags[tag] = self.revid(rev, module=source) |
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265 except SubversionException, (_, num): |
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266 self.ui.note('no tags found at revision %d\n' % start) |
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267 return tags |
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268 |
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269 # -- helper functions -- |
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270 |
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271 def revid(self, revnum, module=None): |
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272 if not module: |
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273 module = self.module |
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274 return (u"svn:%s%s@%s" % (self.uuid, module, revnum)).decode(self.encoding) |
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275 |
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276 def revnum(self, rev): |
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277 return int(rev.split('@')[-1]) |
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278 |
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279 def revsplit(self, rev): |
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280 url, revnum = rev.encode(self.encoding).split('@', 1) |
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281 revnum = int(revnum) |
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282 parts = url.split('/', 1) |
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283 uuid = parts.pop(0)[4:] |
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284 mod = '' |
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285 if parts: |
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286 mod = '/' + parts[0] |
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287 return uuid, mod, revnum |
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288 |
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289 def latest(self, path, stop=0): |
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290 'find the latest revision affecting path, up to stop' |
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291 if not stop: |
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292 stop = svn.ra.get_latest_revnum(self.ra) |
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293 try: |
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294 self.reparent('') |
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295 dirent = svn.ra.stat(self.ra, path.strip('/'), stop) |
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296 self.reparent(self.module) |
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297 except SubversionException: |
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298 dirent = None |
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299 if not dirent: |
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300 print self.base, path |
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301 raise util.Abort('%s not found up to revision %d' % (path, stop)) |
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302 |
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303 return dirent.created_rev |
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304 |
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305 def get_blacklist(self): |
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306 """Avoid certain revision numbers. |
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307 It is not uncommon for two nearby revisions to cancel each other |
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308 out, e.g. 'I copied trunk into a subdirectory of itself instead |
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309 of making a branch'. The converted repository is significantly |
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310 smaller if we ignore such revisions.""" |
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311 self.blacklist = set() |
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312 blacklist = self.blacklist |
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313 for line in file("blacklist.txt", "r"): |
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314 if not line.startswith("#"): |
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315 try: |
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316 svn_rev = int(line.strip()) |
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317 blacklist.add(svn_rev) |
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318 except ValueError, e: |
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319 pass # not an integer or a comment |
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320 |
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321 def is_blacklisted(self, svn_rev): |
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322 return svn_rev in self.blacklist |
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323 |
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324 def reparent(self, module): |
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325 svn_url = self.base + module |
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326 self.ui.debug("reparent to %s\n" % svn_url.encode(self.encoding)) |
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327 svn.ra.reparent(self.ra, svn_url.encode(self.encoding)) |
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328 |
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329 def _fetch_revisions(self, from_revnum = 0, to_revnum = 347): |
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330 def get_entry_from_path(path, module=self.module): |
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331 # Given the repository url of this wc, say |
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332 # "http://server/plone/CMFPlone/branches/Plone-2_0-branch" |
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333 # extract the "entry" portion (a relative path) from what |
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334 # svn log --xml says, ie |
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335 # "/CMFPlone/branches/Plone-2_0-branch/tests/PloneTestCase.py" |
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336 # that is to say "tests/PloneTestCase.py" |
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337 |
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338 if path.startswith(module): |
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339 relative = path[len(module):] |
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340 if relative.startswith('/'): |
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341 return relative[1:] |
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342 else: |
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343 return relative |
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344 |
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345 # The path is outside our tracked tree... |
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346 self.ui.debug('Ignoring %r since it is not under %r\n' % (path, module)) |
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347 return None |
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348 |
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349 self.child_cset = None |
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350 def parselogentry(orig_paths, revnum, author, date, message): |
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351 self.ui.debug("parsing revision %d (%d changes)\n" % |
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352 (revnum, len(orig_paths))) |
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353 |
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354 if revnum in self.modulemap: |
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355 new_module = self.modulemap[revnum] |
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356 if new_module != self.module: |
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357 self.module = new_module |
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358 self.reparent(self.module) |
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359 |
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360 copyfrom = {} # Map of entrypath, revision for finding source of deleted revisions. |
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361 copies = {} |
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362 entries = [] |
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363 rev = self.revid(revnum) |
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364 parents = [] |
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365 |
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366 # branch log might return entries for a parent we already have |
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367 if (rev in self.commits or |
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368 (revnum < self.lastrevs.get(self.module, 0))): |
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369 return |
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370 |
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371 try: |
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372 branch = self.module.split("/")[-1] |
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373 if branch == 'trunk': |
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374 branch = '' |
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375 except IndexError: |
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376 branch = None |
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377 |
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378 orig_paths = orig_paths.items() |
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379 orig_paths.sort() |
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380 for path, ent in orig_paths: |
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381 # self.ui.write("path %s\n" % path) |
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382 if path == self.module: # Follow branching back in history |
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383 if ent: |
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384 if ent.copyfrom_path: |
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385 # ent.copyfrom_rev may not be the actual last revision |
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386 prev = self.latest(ent.copyfrom_path, ent.copyfrom_rev) |
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387 self.modulemap[prev] = ent.copyfrom_path |
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388 parents = [self.revid(prev, ent.copyfrom_path)] |
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389 self.ui.note('found parent of branch %s at %d: %s\n' % \ |
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390 (self.module, prev, ent.copyfrom_path)) |
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391 else: |
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392 self.ui.debug("No copyfrom path, don't know what to do.\n") |
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393 # Maybe it was added and there is no more history. |
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394 entrypath = get_entry_from_path(path, module=self.module) |
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395 # self.ui.write("entrypath %s\n" % entrypath) |
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396 if entrypath is None: |
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397 # Outside our area of interest |
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398 self.ui.debug("boring@%s: %s\n" % (revnum, path)) |
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399 continue |
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400 entry = entrypath.decode(self.encoding) |
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401 |
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402 kind = svn.ra.check_path(self.ra, entrypath, revnum) |
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403 if kind == svn.core.svn_node_file: |
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404 if ent.copyfrom_path: |
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405 copyfrom_path = get_entry_from_path(ent.copyfrom_path) |
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406 if copyfrom_path: |
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407 self.ui.debug("Copied to %s from %s@%s\n" % (entry, copyfrom_path, ent.copyfrom_rev)) |
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408 # It's probably important for hg that the source |
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409 # exists in the revision's parent, not just the |
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410 # ent.copyfrom_rev |
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411 fromkind = svn.ra.check_path(self.ra, copyfrom_path, ent.copyfrom_rev) |
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412 if fromkind != 0: |
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413 copies[self.recode(entry)] = self.recode(copyfrom_path) |
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414 entries.append(self.recode(entry)) |
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415 elif kind == 0: # gone, but had better be a deleted *file* |
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416 self.ui.debug("gone from %s\n" % ent.copyfrom_rev) |
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417 |
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418 # if a branch is created but entries are removed in the same |
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419 # changeset, get the right fromrev |
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420 if parents: |
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421 uuid, old_module, fromrev = self.revsplit(parents[0]) |
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422 else: |
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423 fromrev = revnum - 1 |
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424 # might always need to be revnum - 1 in these 3 lines? |
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425 old_module = self.modulemap.get(fromrev, self.module) |
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426 |
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427 basepath = old_module + "/" + get_entry_from_path(path, module=self.module) |
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428 entrypath = old_module + "/" + get_entry_from_path(path, module=self.module) |
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429 |
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430 def lookup_parts(p): |
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431 rc = None |
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432 parts = p.split("/") |
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433 for i in range(len(parts)): |
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434 part = "/".join(parts[:i]) |
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435 info = part, copyfrom.get(part, None) |
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436 if info[1] is not None: |
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437 self.ui.debug("Found parent directory %s\n" % info[1]) |
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438 rc = info |
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439 return rc |
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440 |
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441 self.ui.debug("base, entry %s %s\n" % (basepath, entrypath)) |
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442 |
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443 frompath, froment = lookup_parts(entrypath) or (None, revnum - 1) |
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444 |
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445 # need to remove fragment from lookup_parts and replace with copyfrom_path |
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446 if frompath is not None: |
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447 self.ui.debug("munge-o-matic\n") |
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448 self.ui.debug(entrypath + '\n') |
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449 self.ui.debug(entrypath[len(frompath):] + '\n') |
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450 entrypath = froment.copyfrom_path + entrypath[len(frompath):] |
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451 fromrev = froment.copyfrom_rev |
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452 self.ui.debug("Info: %s %s %s %s\n" % (frompath, froment, ent, entrypath)) |
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453 |
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454 fromkind = svn.ra.check_path(self.ra, entrypath, fromrev) |
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455 if fromkind == svn.core.svn_node_file: # a deleted file |
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456 entries.append(self.recode(entry)) |
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457 elif fromkind == svn.core.svn_node_dir: |
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458 # print "Deleted/moved non-file:", revnum, path, ent |
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459 # children = self._find_children(path, revnum - 1) |
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460 # print "find children %s@%d from %d action %s" % (path, revnum, ent.copyfrom_rev, ent.action) |
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461 # Sometimes this is tricky. For example: in |
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462 # The Subversion Repository revision 6940 a dir |
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463 # was copied and one of its files was deleted |
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464 # from the new location in the same commit. This |
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465 # code can't deal with that yet. |
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466 if ent.action == 'C': |
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467 children = self._find_children(path, fromrev) |
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468 else: |
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469 oroot = entrypath.strip('/') |
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470 nroot = path.strip('/') |
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471 children = self._find_children(oroot, fromrev) |
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472 children = [s.replace(oroot,nroot) for s in children] |
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473 # Mark all [files, not directories] as deleted. |
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474 for child in children: |
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475 # Can we move a child directory and its |
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476 # parent in the same commit? (probably can). Could |
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477 # cause problems if instead of revnum -1, |
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478 # we have to look in (copyfrom_path, revnum - 1) |
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479 entrypath = get_entry_from_path("/" + child, module=old_module) |
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480 if entrypath: |
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481 entry = self.recode(entrypath.decode(self.encoding)) |
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482 if entry in copies: |
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483 # deleted file within a copy |
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484 del copies[entry] |
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485 else: |
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486 entries.append(entry) |
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487 else: |
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488 self.ui.debug('unknown path in revision %d: %s\n' % \ |
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489 (revnum, path)) |
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490 elif kind == svn.core.svn_node_dir: |
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491 # Should probably synthesize normal file entries |
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492 # and handle as above to clean up copy/rename handling. |
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493 |
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494 # If the directory just had a prop change, |
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495 # then we shouldn't need to look for its children. |
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496 # Also this could create duplicate entries. Not sure |
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497 # whether this will matter. Maybe should make entries a set. |
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498 # print "Changed directory", revnum, path, ent.action, ent.copyfrom_path, ent.copyfrom_rev |
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499 # This will fail if a directory was copied |
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500 # from another branch and then some of its files |
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501 # were deleted in the same transaction. |
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502 children = self._find_children(path, revnum) |
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503 children.sort() |
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504 for child in children: |
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505 # Can we move a child directory and its |
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506 # parent in the same commit? (probably can). Could |
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507 # cause problems if instead of revnum -1, |
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508 # we have to look in (copyfrom_path, revnum - 1) |
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509 entrypath = get_entry_from_path("/" + child, module=self.module) |
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510 # print child, self.module, entrypath |
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511 if entrypath: |
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512 # Need to filter out directories here... |
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513 kind = svn.ra.check_path(self.ra, entrypath, revnum) |
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514 if kind != svn.core.svn_node_dir: |
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515 entries.append(self.recode(entrypath)) |
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516 |
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517 # Copies here (must copy all from source) |
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518 # Probably not a real problem for us if |
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519 # source does not exist |
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520 |
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521 # Can do this with the copy command "hg copy" |
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522 # if ent.copyfrom_path: |
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523 # copyfrom_entry = get_entry_from_path(ent.copyfrom_path.decode(self.encoding), |
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524 # module=self.module) |
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525 # copyto_entry = entrypath |
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526 # |
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527 # print "copy directory", copyfrom_entry, 'to', copyto_entry |
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528 # |
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529 # copies.append((copyfrom_entry, copyto_entry)) |
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530 |
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531 if ent.copyfrom_path: |
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532 copyfrom_path = ent.copyfrom_path.decode(self.encoding) |
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533 copyfrom_entry = get_entry_from_path(copyfrom_path, module=self.module) |
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534 if copyfrom_entry: |
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535 copyfrom[path] = ent |
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536 self.ui.debug("mark %s came from %s\n" % (path, copyfrom[path])) |
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537 |
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538 # Good, /probably/ a regular copy. Really should check |
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539 # to see whether the parent revision actually contains |
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540 # the directory in question. |
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541 children = self._find_children(self.recode(copyfrom_path), ent.copyfrom_rev) |
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542 children.sort() |
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543 for child in children: |
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544 entrypath = get_entry_from_path("/" + child, module=self.module) |
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545 if entrypath: |
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546 entry = entrypath.decode(self.encoding) |
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547 # print "COPY COPY From", copyfrom_entry, entry |
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548 copyto_path = path + entry[len(copyfrom_entry):] |
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549 copyto_entry = get_entry_from_path(copyto_path, module=self.module) |
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550 # print "COPY", entry, "COPY To", copyto_entry |
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551 copies[self.recode(copyto_entry)] = self.recode(entry) |
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552 # copy from quux splort/quuxfile |
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553 |
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554 self.modulemap[revnum] = self.module # track backwards in time |
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555 # a list of (filename, id) where id lets us retrieve the file. |
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556 # eg in git, id is the object hash. for svn it'll be the |
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557 self.files[rev] = zip(entries, [rev] * len(entries)) |
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558 if not entries: |
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559 return |
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560 |
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561 # Example SVN datetime. Includes microseconds. |
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562 # ISO-8601 conformant |
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563 # '2007-01-04T17:35:00.902377Z' |
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564 date = util.parsedate(date[:18] + " UTC", ["%Y-%m-%dT%H:%M:%S"]) |
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565 |
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566 log = message and self.recode(message) |
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567 author = author and self.recode(author) or '' |
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568 |
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569 cset = commit(author=author, |
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570 date=util.datestr(date), |
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571 desc=log, |
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572 parents=parents, |
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573 copies=copies, |
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574 branch=branch, |
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575 rev=rev.encode('utf-8')) |
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576 |
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577 self.commits[rev] = cset |
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578 if self.child_cset and not self.child_cset.parents: |
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579 self.child_cset.parents = [rev] |
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580 self.child_cset = cset |
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581 |
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582 self.ui.note('fetching revision log for "%s" from %d to %d\n' % |
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583 (self.module, from_revnum, to_revnum)) |
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584 |
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585 try: |
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586 discover_changed_paths = True |
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587 strict_node_history = False |
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588 for entry in self.get_log([self.module], from_revnum, to_revnum): |
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589 orig_paths, revnum, author, date, message = entry |
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590 if self.is_blacklisted(revnum): |
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591 self.ui.note('skipping blacklisted revision %d\n' % revnum) |
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592 continue |
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593 if orig_paths is None: |
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594 self.ui.debug('revision %d has no entries\n' % revnum) |
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595 continue |
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596 parselogentry(orig_paths, revnum, author, date, message) |
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597 except SubversionException, (_, num): |
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598 if num == svn.core.SVN_ERR_FS_NO_SUCH_REVISION: |
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599 raise NoSuchRevision(branch=self, |
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600 revision="Revision number %d" % to_revnum) |
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601 raise |
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602 |
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603 def _getfile(self, file, rev): |
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604 io = StringIO() |
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605 # TODO: ra.get_file transmits the whole file instead of diffs. |
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606 mode = '' |
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607 try: |
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608 revnum = self.revnum(rev) |
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609 if self.module != self.modulemap[revnum]: |
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610 self.module = self.modulemap[revnum] |
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611 self.reparent(self.module) |
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612 info = svn.ra.get_file(self.ra, file, revnum, io) |
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613 if isinstance(info, list): |
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614 info = info[-1] |
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615 mode = ("svn:executable" in info) and 'x' or '' |
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616 mode = ("svn:special" in info) and 'l' or mode |
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617 except SubversionException, e: |
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618 notfound = (svn.core.SVN_ERR_FS_NOT_FOUND, |
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619 svn.core.SVN_ERR_RA_DAV_PATH_NOT_FOUND) |
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620 if e.apr_err in notfound: # File not found |
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621 raise IOError() |
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622 raise |
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623 data = io.getvalue() |
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624 if mode == 'l': |
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625 link_prefix = "link " |
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626 if data.startswith(link_prefix): |
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627 data = data[len(link_prefix):] |
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628 return data, mode |
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629 |
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630 def _find_children(self, path, revnum): |
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631 path = path.strip('/') |
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632 pool = Pool() |
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633 rpath = '/'.join([self.base, path]).strip('/') |
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634 return ['%s/%s' % (path, x) for x in svn.client.ls(rpath, optrev(revnum), True, self.ctx, pool).keys()] |