Mercurial > hg
annotate hgext/convert/hg.py @ 7570:e05aa73ce2b7
use repo.wjoin(f) instead of os.path.join(repo.root, f)
author | Martin Geisler <mg@daimi.au.dk> |
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date | Fri, 02 Jan 2009 22:53:33 +0100 |
parents | db6fbb785800 |
children | 08cabecfa8a8 |
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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.repo import RepoError |
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19 from mercurial.node import bin, hex, nullid |
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20 from mercurial import hg, revlog, util, context |
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21 |
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22 from common import NoRepo, commit, converter_source, converter_sink |
694 | 23 |
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24 class mercurial_sink(converter_sink): |
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25 def __init__(self, ui, path): |
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26 converter_sink.__init__(self, ui, path) |
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27 self.branchnames = ui.configbool('convert', 'hg.usebranchnames', True) |
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28 self.clonebranches = ui.configbool('convert', 'hg.clonebranches', False) |
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29 self.tagsbranch = ui.config('convert', 'hg.tagsbranch', 'default') |
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30 self.lastbranch = None |
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31 if os.path.isdir(path) and len(os.listdir(path)) > 0: |
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32 try: |
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33 self.repo = hg.repository(self.ui, path) |
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34 if not self.repo.local(): |
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35 raise NoRepo(_('%s is not a local Mercurial repo') % path) |
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36 except RepoError, err: |
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37 ui.print_exc() |
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38 raise NoRepo(err.args[0]) |
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39 else: |
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40 try: |
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41 ui.status(_('initializing destination %s repository\n') % path) |
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42 self.repo = hg.repository(self.ui, path, create=True) |
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43 if not self.repo.local(): |
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44 raise NoRepo(_('%s is not a local Mercurial repo') % path) |
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45 self.created.append(path) |
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46 except RepoError, err: |
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47 ui.print_exc() |
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48 raise NoRepo("could not create hg repo %s as sink" % path) |
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49 self.lock = None |
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50 self.wlock = None |
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51 self.filemapmode = False |
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52 |
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53 def before(self): |
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54 self.ui.debug(_('run hg sink pre-conversion action\n')) |
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55 self.wlock = self.repo.wlock() |
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56 self.lock = self.repo.lock() |
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57 |
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58 def after(self): |
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59 self.ui.debug(_('run hg sink post-conversion action\n')) |
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60 self.lock = None |
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61 self.wlock = None |
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62 |
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63 def revmapfile(self): |
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64 return os.path.join(self.path, ".hg", "shamap") |
316 | 65 |
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66 def authorfile(self): |
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67 return os.path.join(self.path, ".hg", "authormap") |
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68 |
316 | 69 def getheads(self): |
70 h = self.repo.changelog.heads() | |
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71 return [ hex(x) for x in h ] |
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72 |
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73 def setbranch(self, branch, pbranches): |
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74 if not self.clonebranches: |
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75 return |
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76 |
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77 setbranch = (branch != self.lastbranch) |
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78 self.lastbranch = branch |
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79 if not branch: |
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80 branch = 'default' |
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81 pbranches = [(b[0], b[1] and b[1] or 'default') for b in pbranches] |
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82 pbranch = pbranches and pbranches[0][1] or 'default' |
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83 |
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84 branchpath = os.path.join(self.path, branch) |
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85 if setbranch: |
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86 self.after() |
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87 try: |
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88 self.repo = hg.repository(self.ui, branchpath) |
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89 except: |
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90 self.repo = hg.repository(self.ui, branchpath, create=True) |
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91 self.before() |
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92 |
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93 # pbranches may bring revisions from other branches (merge parents) |
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94 # Make sure we have them, or pull them. |
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95 missings = {} |
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96 for b in pbranches: |
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97 try: |
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98 self.repo.lookup(b[0]) |
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99 except: |
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100 missings.setdefault(b[1], []).append(b[0]) |
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101 |
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102 if missings: |
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103 self.after() |
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104 for pbranch, heads in missings.iteritems(): |
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105 pbranchpath = os.path.join(self.path, pbranch) |
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106 prepo = hg.repository(self.ui, pbranchpath) |
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107 self.ui.note(_('pulling from %s into %s\n') % (pbranch, branch)) |
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108 self.repo.pull(prepo, [prepo.lookup(h) for h in heads]) |
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109 self.before() |
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110 |
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111 def putcommit(self, files, copies, parents, commit, source): |
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112 |
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113 files = dict(files) |
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114 def getfilectx(repo, memctx, f): |
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115 v = files[f] |
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116 data = source.getfile(f, v) |
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117 e = source.getmode(f, v) |
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118 return context.memfilectx(f, data, 'l' in e, 'x' in e, copies.get(f)) |
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119 |
431 | 120 pl = [] |
121 for p in parents: | |
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122 if p not in pl: |
431 | 123 pl.append(p) |
124 parents = pl | |
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125 nparents = len(parents) |
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126 if self.filemapmode and nparents == 1: |
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127 m1node = self.repo.changelog.read(bin(parents[0]))[0] |
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128 parent = parents[0] |
316 | 129 |
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130 if len(parents) < 2: parents.append("0" * 40) |
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131 if len(parents) < 2: parents.append("0" * 40) |
431 | 132 p2 = parents.pop(0) |
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133 |
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134 text = commit.desc |
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135 extra = commit.extra.copy() |
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136 if self.branchnames and commit.branch: |
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137 extra['branch'] = commit.branch |
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138 if commit.rev: |
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139 extra['convert_revision'] = commit.rev |
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140 |
431 | 141 while parents: |
142 p1 = p2 | |
143 p2 = parents.pop(0) | |
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144 ctx = context.memctx(self.repo, (p1, p2), text, files.keys(), getfilectx, |
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145 commit.author, commit.date, extra) |
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146 a = self.repo.commitctx(ctx) |
431 | 147 text = "(octopus merge fixup)\n" |
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148 p2 = hex(self.repo.changelog.tip()) |
431 | 149 |
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150 if self.filemapmode and nparents == 1: |
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151 man = self.repo.manifest |
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152 mnode = self.repo.changelog.read(bin(p2))[0] |
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153 if not man.cmp(m1node, man.revision(mnode)): |
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154 self.repo.rollback() |
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155 return parent |
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156 return p2 |
316 | 157 |
694 | 158 def puttags(self, tags): |
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159 try: |
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160 parentctx = self.repo[self.tagsbranch] |
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161 tagparent = parentctx.node() |
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162 except RepoError, inst: |
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163 parentctx = None |
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164 tagparent = nullid |
694 | 165 |
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166 try: |
6762 | 167 oldlines = util.sort(parentctx['.hgtags'].data().splitlines(1)) |
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168 except: |
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169 oldlines = [] |
694 | 170 |
6762 | 171 newlines = util.sort([("%s %s\n" % (tags[tag], tag)) for tag in tags]) |
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172 |
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173 if newlines == oldlines: |
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174 return None |
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175 data = "".join(newlines) |
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176 |
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177 def getfilectx(repo, memctx, f): |
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178 return context.memfilectx(f, data, False, False, None) |
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179 |
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180 self.ui.status(_("updating tags\n")) |
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181 date = "%s 0" % int(time.mktime(time.gmtime())) |
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182 extra = {'branch': self.tagsbranch} |
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183 ctx = context.memctx(self.repo, (tagparent, None), "update tags", |
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184 [".hgtags"], getfilectx, "convert-repo", date, |
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185 extra) |
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186 self.repo.commitctx(ctx) |
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187 return hex(self.repo.changelog.tip()) |
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188 |
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189 def setfilemapmode(self, active): |
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190 self.filemapmode = active |
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191 |
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192 class mercurial_source(converter_source): |
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193 def __init__(self, ui, path, rev=None): |
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194 converter_source.__init__(self, ui, path, rev) |
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195 self.ignoreerrors = ui.configbool('convert', 'hg.ignoreerrors', False) |
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196 self.ignored = {} |
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197 self.saverev = ui.configbool('convert', 'hg.saverev', True) |
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198 try: |
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199 self.repo = hg.repository(self.ui, path) |
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200 # try to provoke an exception if this isn't really a hg |
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201 # repo, but some other bogus compatible-looking url |
5522
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202 if not self.repo.local(): |
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203 raise RepoError() |
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204 except RepoError: |
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205 ui.print_exc() |
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206 raise NoRepo("%s is not a local Mercurial repo" % path) |
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207 self.lastrev = None |
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208 self.lastctx = None |
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209 self._changescache = None |
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210 self.convertfp = None |
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211 # Restrict converted revisions to startrev descendants |
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212 startnode = ui.config('convert', 'hg.startrev') |
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213 if startnode is not None: |
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214 try: |
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215 startnode = self.repo.lookup(startnode) |
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216 except repo.RepoError: |
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217 raise util.Abort(_('%s is not a valid start revision') |
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218 % startnode) |
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219 startrev = self.repo.changelog.rev(startnode) |
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220 children = {startnode: 1} |
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221 for rev in self.repo.changelog.descendants(startrev): |
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222 children[self.repo.changelog.node(rev)] = 1 |
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223 self.keep = children.__contains__ |
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224 else: |
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225 self.keep = util.always |
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226 |
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227 def changectx(self, rev): |
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228 if self.lastrev != rev: |
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229 self.lastctx = self.repo[rev] |
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230 self.lastrev = rev |
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231 return self.lastctx |
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232 |
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233 def parents(self, ctx): |
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234 return [p.node() for p in ctx.parents() |
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235 if p and self.keep(p.node())] |
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236 |
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237 def getheads(self): |
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238 if self.rev: |
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239 heads = [self.repo[self.rev].node()] |
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240 else: |
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241 heads = self.repo.heads() |
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242 return [hex(h) for h in heads if self.keep(h)] |
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243 |
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244 def getfile(self, name, rev): |
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245 try: |
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246 return self.changectx(rev)[name].data() |
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247 except revlog.LookupError, err: |
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248 raise IOError(err) |
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249 |
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250 def getmode(self, name, rev): |
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251 return self.changectx(rev).manifest().flags(name) |
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252 |
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253 def getchanges(self, rev): |
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254 ctx = self.changectx(rev) |
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255 parents = self.parents(ctx) |
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256 if not parents: |
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257 files = util.sort(ctx.manifest().keys()) |
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258 if self.ignoreerrors: |
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259 # calling getcopies() is a simple way to detect missing |
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260 # revlogs and populate self.ignored |
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261 self.getcopies(ctx, files) |
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262 return [(f, rev) for f in files if f not in self.ignored], {} |
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263 if self._changescache and self._changescache[0] == rev: |
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264 m, a, r = self._changescache[1] |
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265 else: |
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266 m, a, r = self.repo.status(parents[0], ctx.node())[:3] |
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267 # getcopies() detects missing revlogs early, run it before |
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268 # filtering the changes. |
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269 copies = self.getcopies(ctx, m + a) |
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270 changes = [(name, rev) for name in m + a + r |
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271 if name not in self.ignored] |
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272 return util.sort(changes), copies |
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273 |
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274 def getcopies(self, ctx, files): |
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275 copies = {} |
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276 for name in files: |
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277 if name in self.ignored: |
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278 continue |
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279 try: |
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280 copysource, copynode = ctx.filectx(name).renamed() |
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281 if copysource in self.ignored or not self.keep(copynode): |
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282 continue |
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283 copies[name] = copysource |
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284 except TypeError: |
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285 pass |
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286 except revlog.LookupError, e: |
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287 if not self.ignoreerrors: |
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288 raise |
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289 self.ignored[name] = 1 |
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290 self.ui.warn(_('ignoring: %s\n') % e) |
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291 return copies |
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292 |
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293 def getcommit(self, rev): |
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294 ctx = self.changectx(rev) |
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295 parents = [hex(p) for p in self.parents(ctx)] |
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296 if self.saverev: |
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297 crev = rev |
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298 else: |
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299 crev = None |
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300 return commit(author=ctx.user(), date=util.datestr(ctx.date()), |
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301 desc=ctx.description(), rev=crev, parents=parents, |
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302 branch=ctx.branch(), extra=ctx.extra()) |
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303 |
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304 def gettags(self): |
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305 tags = [t for t in self.repo.tagslist() if t[0] != 'tip'] |
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306 return dict([(name, hex(node)) for name, node in tags |
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307 if self.keep(node)]) |
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308 |
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309 def getchangedfiles(self, rev, i): |
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310 ctx = self.changectx(rev) |
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311 parents = self.parents(ctx) |
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312 if not parents and i is None: |
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313 i = 0 |
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314 changes = [], ctx.manifest().keys(), [] |
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315 else: |
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316 i = i or 0 |
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317 changes = self.repo.status(parents[i], ctx.node())[:3] |
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318 changes = [[f for f in l if f not in self.ignored] for l in changes] |
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319 |
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320 if i == 0: |
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321 self._changescache = (rev, changes) |
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322 |
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323 return changes[0] + changes[1] + changes[2] |
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324 |
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325 def converted(self, rev, destrev): |
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326 if self.convertfp is None: |
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327 self.convertfp = open(os.path.join(self.path, '.hg', 'shamap'), |
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328 'a') |
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329 self.convertfp.write('%s %s\n' % (destrev, rev)) |
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330 self.convertfp.flush() |
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331 |
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332 def before(self): |
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333 self.ui.debug(_('run hg source pre-conversion action\n')) |
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334 |
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335 def after(self): |
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336 self.ui.debug(_('run hg source post-conversion action\n')) |