Mercurial > hg
annotate hgext/convert/hg.py @ 8047:04c62275cbc7
convert: better mapfile parsing errors (issue1581/1)
author | Patrick Mezard <pmezard@gmail.com> |
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date | Sat, 11 Apr 2009 21:15:27 +0200 |
parents | eba7f12b0c51 |
children | 6ee71f78497c |
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1 # hg backend for convert extension |
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2 |
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3 # Notes for hg->hg conversion: |
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4 # |
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5 # * Old versions of Mercurial didn't trim the whitespace from the ends |
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6 # of commit messages, but new versions do. Changesets created by |
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7 # those older versions, then converted, may thus have different |
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8 # hashes for changesets that are otherwise identical. |
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9 # |
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10 # * By default, the source revision is stored in the converted |
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11 # revision. This will cause the converted revision to have a |
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12 # different identity than the source. To avoid this, use the |
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13 # following option: "--config convert.hg.saverev=false" |
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14 |
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15 |
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16 import os, time |
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17 from mercurial.i18n import _ |
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18 from mercurial.node import bin, hex, nullid |
7633 | 19 from mercurial import hg, util, context, error |
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20 |
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21 from common import NoRepo, commit, converter_source, converter_sink |
694 | 22 |
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23 class mercurial_sink(converter_sink): |
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24 def __init__(self, ui, path): |
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25 converter_sink.__init__(self, ui, path) |
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26 self.branchnames = ui.configbool('convert', 'hg.usebranchnames', True) |
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27 self.clonebranches = ui.configbool('convert', 'hg.clonebranches', False) |
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28 self.tagsbranch = ui.config('convert', 'hg.tagsbranch', 'default') |
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29 self.lastbranch = None |
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30 if os.path.isdir(path) and len(os.listdir(path)) > 0: |
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31 try: |
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32 self.repo = hg.repository(self.ui, path) |
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33 if not self.repo.local(): |
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34 raise NoRepo(_('%s is not a local Mercurial repo') % path) |
7637 | 35 except error.RepoError, err: |
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36 ui.print_exc() |
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37 raise NoRepo(err.args[0]) |
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38 else: |
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39 try: |
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40 ui.status(_('initializing destination %s repository\n') % path) |
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41 self.repo = hg.repository(self.ui, path, create=True) |
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42 if not self.repo.local(): |
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43 raise NoRepo(_('%s is not a local Mercurial repo') % path) |
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44 self.created.append(path) |
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45 except error.RepoError: |
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46 ui.print_exc() |
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47 raise NoRepo("could not create hg repo %s as sink" % path) |
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48 self.lock = None |
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49 self.wlock = None |
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50 self.filemapmode = False |
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51 |
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52 def before(self): |
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53 self.ui.debug(_('run hg sink pre-conversion action\n')) |
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54 self.wlock = self.repo.wlock() |
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55 self.lock = self.repo.lock() |
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56 |
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57 def after(self): |
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58 self.ui.debug(_('run hg sink post-conversion action\n')) |
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59 self.lock = None |
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60 self.wlock = None |
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61 |
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62 def revmapfile(self): |
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63 return os.path.join(self.path, ".hg", "shamap") |
316 | 64 |
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65 def authorfile(self): |
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66 return os.path.join(self.path, ".hg", "authormap") |
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67 |
316 | 68 def getheads(self): |
69 h = self.repo.changelog.heads() | |
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70 return [ hex(x) for x in h ] |
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71 |
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72 def setbranch(self, branch, pbranches): |
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73 if not self.clonebranches: |
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74 return |
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75 |
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76 setbranch = (branch != self.lastbranch) |
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77 self.lastbranch = branch |
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78 if not branch: |
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79 branch = 'default' |
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80 pbranches = [(b[0], b[1] and b[1] or 'default') for b in pbranches] |
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81 pbranch = pbranches and pbranches[0][1] or 'default' |
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82 |
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83 branchpath = os.path.join(self.path, branch) |
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84 if setbranch: |
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85 self.after() |
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86 try: |
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87 self.repo = hg.repository(self.ui, branchpath) |
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88 except: |
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89 self.repo = hg.repository(self.ui, branchpath, create=True) |
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90 self.before() |
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91 |
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92 # pbranches may bring revisions from other branches (merge parents) |
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93 # Make sure we have them, or pull them. |
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94 missings = {} |
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95 for b in pbranches: |
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96 try: |
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97 self.repo.lookup(b[0]) |
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98 except: |
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99 missings.setdefault(b[1], []).append(b[0]) |
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100 |
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101 if missings: |
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102 self.after() |
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103 for pbranch, heads in missings.iteritems(): |
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104 pbranchpath = os.path.join(self.path, pbranch) |
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105 prepo = hg.repository(self.ui, pbranchpath) |
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106 self.ui.note(_('pulling from %s into %s\n') % (pbranch, branch)) |
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107 self.repo.pull(prepo, [prepo.lookup(h) for h in heads]) |
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108 self.before() |
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109 |
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110 def putcommit(self, files, copies, parents, commit, source): |
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111 |
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112 files = dict(files) |
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113 def getfilectx(repo, memctx, f): |
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114 v = files[f] |
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115 data = source.getfile(f, v) |
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116 e = source.getmode(f, v) |
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117 return context.memfilectx(f, data, 'l' in e, 'x' in e, copies.get(f)) |
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118 |
431 | 119 pl = [] |
120 for p in parents: | |
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121 if p not in pl: |
431 | 122 pl.append(p) |
123 parents = pl | |
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124 nparents = len(parents) |
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125 if self.filemapmode and nparents == 1: |
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126 m1node = self.repo.changelog.read(bin(parents[0]))[0] |
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127 parent = parents[0] |
316 | 128 |
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129 if len(parents) < 2: parents.append("0" * 40) |
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130 if len(parents) < 2: parents.append("0" * 40) |
431 | 131 p2 = parents.pop(0) |
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132 |
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133 text = commit.desc |
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134 extra = commit.extra.copy() |
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135 if self.branchnames and commit.branch: |
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136 extra['branch'] = commit.branch |
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137 if commit.rev: |
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138 extra['convert_revision'] = commit.rev |
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139 |
431 | 140 while parents: |
141 p1 = p2 | |
142 p2 = parents.pop(0) | |
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143 ctx = context.memctx(self.repo, (p1, p2), text, files.keys(), getfilectx, |
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144 commit.author, commit.date, extra) |
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145 self.repo.commitctx(ctx) |
431 | 146 text = "(octopus merge fixup)\n" |
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147 p2 = hex(self.repo.changelog.tip()) |
431 | 148 |
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149 if self.filemapmode and nparents == 1: |
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150 man = self.repo.manifest |
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151 mnode = self.repo.changelog.read(bin(p2))[0] |
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152 if not man.cmp(m1node, man.revision(mnode)): |
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153 self.repo.rollback() |
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154 return parent |
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155 return p2 |
316 | 156 |
694 | 157 def puttags(self, tags): |
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158 try: |
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159 parentctx = self.repo[self.tagsbranch] |
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160 tagparent = parentctx.node() |
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161 except error.RepoError: |
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162 parentctx = None |
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163 tagparent = nullid |
694 | 164 |
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165 try: |
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166 oldlines = util.sort(parentctx['.hgtags'].data().splitlines(1)) |
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167 except: |
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168 oldlines = [] |
694 | 169 |
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170 newlines = util.sort([("%s %s\n" % (tags[tag], tag)) for tag in tags]) |
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171 if newlines == oldlines: |
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172 return None |
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173 data = "".join(newlines) |
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174 def getfilectx(repo, memctx, f): |
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175 return context.memfilectx(f, data, False, False, None) |
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176 |
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177 self.ui.status(_("updating tags\n")) |
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178 date = "%s 0" % int(time.mktime(time.gmtime())) |
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179 extra = {'branch': self.tagsbranch} |
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180 ctx = context.memctx(self.repo, (tagparent, None), "update tags", |
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181 [".hgtags"], getfilectx, "convert-repo", date, |
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182 extra) |
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183 self.repo.commitctx(ctx) |
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184 return hex(self.repo.changelog.tip()) |
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185 |
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186 def setfilemapmode(self, active): |
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187 self.filemapmode = active |
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188 |
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189 class mercurial_source(converter_source): |
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190 def __init__(self, ui, path, rev=None): |
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191 converter_source.__init__(self, ui, path, rev) |
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192 self.ignoreerrors = ui.configbool('convert', 'hg.ignoreerrors', False) |
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193 self.ignored = {} |
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194 self.saverev = ui.configbool('convert', 'hg.saverev', False) |
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195 try: |
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196 self.repo = hg.repository(self.ui, path) |
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197 # try to provoke an exception if this isn't really a hg |
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198 # repo, but some other bogus compatible-looking url |
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199 if not self.repo.local(): |
7637 | 200 raise error.RepoError() |
201 except error.RepoError: | |
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202 ui.print_exc() |
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203 raise NoRepo("%s is not a local Mercurial repo" % path) |
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204 self.lastrev = None |
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205 self.lastctx = None |
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206 self._changescache = None |
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207 self.convertfp = None |
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208 # Restrict converted revisions to startrev descendants |
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209 startnode = ui.config('convert', 'hg.startrev') |
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210 if startnode is not None: |
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211 try: |
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212 startnode = self.repo.lookup(startnode) |
7637 | 213 except error.RepoError: |
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214 raise util.Abort(_('%s is not a valid start revision') |
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215 % startnode) |
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216 startrev = self.repo.changelog.rev(startnode) |
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217 children = {startnode: 1} |
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218 for rev in self.repo.changelog.descendants(startrev): |
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219 children[self.repo.changelog.node(rev)] = 1 |
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220 self.keep = children.__contains__ |
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221 else: |
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222 self.keep = util.always |
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223 |
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224 def changectx(self, rev): |
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225 if self.lastrev != rev: |
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226 self.lastctx = self.repo[rev] |
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227 self.lastrev = rev |
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228 return self.lastctx |
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229 |
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230 def parents(self, ctx): |
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231 return [p.node() for p in ctx.parents() |
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232 if p and self.keep(p.node())] |
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233 |
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234 def getheads(self): |
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235 if self.rev: |
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236 heads = [self.repo[self.rev].node()] |
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237 else: |
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238 heads = self.repo.heads() |
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239 return [hex(h) for h in heads if self.keep(h)] |
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240 |
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241 def getfile(self, name, rev): |
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242 try: |
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243 return self.changectx(rev)[name].data() |
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245 raise IOError(err) |
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246 |
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247 def getmode(self, name, rev): |
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248 return self.changectx(rev).manifest().flags(name) |
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249 |
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250 def getchanges(self, rev): |
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251 ctx = self.changectx(rev) |
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252 parents = self.parents(ctx) |
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253 if not parents: |
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254 files = util.sort(ctx.manifest().keys()) |
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255 if self.ignoreerrors: |
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256 # calling getcopies() is a simple way to detect missing |
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257 # revlogs and populate self.ignored |
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258 self.getcopies(ctx, files) |
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259 return [(f, rev) for f in files if f not in self.ignored], {} |
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260 if self._changescache and self._changescache[0] == rev: |
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261 m, a, r = self._changescache[1] |
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262 else: |
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263 m, a, r = self.repo.status(parents[0], ctx.node())[:3] |
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264 # getcopies() detects missing revlogs early, run it before |
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265 # filtering the changes. |
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266 copies = self.getcopies(ctx, m + a) |
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267 changes = [(name, rev) for name in m + a + r |
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268 if name not in self.ignored] |
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269 return util.sort(changes), copies |
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270 |
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271 def getcopies(self, ctx, files): |
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272 copies = {} |
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273 for name in files: |
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274 if name in self.ignored: |
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275 continue |
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276 try: |
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277 copysource, copynode = ctx.filectx(name).renamed() |
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278 if copysource in self.ignored or not self.keep(copynode): |
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279 continue |
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280 copies[name] = copysource |
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281 except TypeError: |
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282 pass |
7633 | 283 except error.LookupError, e: |
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284 if not self.ignoreerrors: |
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285 raise |
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286 self.ignored[name] = 1 |
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287 self.ui.warn(_('ignoring: %s\n') % e) |
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288 return copies |
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289 |
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290 def getcommit(self, rev): |
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291 ctx = self.changectx(rev) |
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292 parents = [hex(p) for p in self.parents(ctx)] |
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293 if self.saverev: |
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294 crev = rev |
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295 else: |
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296 crev = None |
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297 return commit(author=ctx.user(), date=util.datestr(ctx.date()), |
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298 desc=ctx.description(), rev=crev, parents=parents, |
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299 branch=ctx.branch(), extra=ctx.extra()) |
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300 |
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301 def gettags(self): |
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302 tags = [t for t in self.repo.tagslist() if t[0] != 'tip'] |
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303 return dict([(name, hex(node)) for name, node in tags |
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304 if self.keep(node)]) |
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305 |
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306 def getchangedfiles(self, rev, i): |
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307 ctx = self.changectx(rev) |
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308 parents = self.parents(ctx) |
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309 if not parents and i is None: |
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310 i = 0 |
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311 changes = [], ctx.manifest().keys(), [] |
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312 else: |
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313 i = i or 0 |
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314 changes = self.repo.status(parents[i], ctx.node())[:3] |
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315 changes = [[f for f in l if f not in self.ignored] for l in changes] |
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316 |
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317 if i == 0: |
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318 self._changescache = (rev, changes) |
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319 |
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320 return changes[0] + changes[1] + changes[2] |
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321 |
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322 def converted(self, rev, destrev): |
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323 if self.convertfp is None: |
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324 self.convertfp = open(os.path.join(self.path, '.hg', 'shamap'), |
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325 'a') |
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326 self.convertfp.write('%s %s\n' % (destrev, rev)) |
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327 self.convertfp.flush() |
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328 |
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329 def before(self): |
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330 self.ui.debug(_('run hg source pre-conversion action\n')) |
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331 |
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332 def after(self): |
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333 self.ui.debug(_('run hg source post-conversion action\n')) |