Mercurial > hg
annotate hgext/convert/hg.py @ 10282:08a0f04b56bd
many, many trivial check-code fixups
author | Matt Mackall <mpm@selenic.com> |
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date | Mon, 25 Jan 2010 00:05:27 -0600 |
parents | 25e572394f5c |
children | 02d6149a480b |
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1 # hg.py - hg backend for convert extension |
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2 # |
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3 # Copyright 2005-2009 Matt Mackall <mpm@selenic.com> and others |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
10263 | 6 # GNU General Public License version 2 or any later version. |
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7 |
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8 # Notes for hg->hg conversion: |
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9 # |
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10 # * Old versions of Mercurial didn't trim the whitespace from the ends |
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11 # of commit messages, but new versions do. Changesets created by |
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12 # those older versions, then converted, may thus have different |
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13 # hashes for changesets that are otherwise identical. |
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14 # |
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15 # * Using "--config convert.hg.saverev=true" will make the source |
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16 # identifier to be stored in the converted revision. This will cause |
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17 # the converted revision to have a different identity than the |
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18 # source. |
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19 |
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20 |
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21 import os, time, cStringIO |
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22 from mercurial.i18n import _ |
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23 from mercurial.node import bin, hex, nullid |
7633 | 24 from mercurial import hg, util, context, error |
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25 |
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26 from common import NoRepo, commit, converter_source, converter_sink |
694 | 27 |
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28 class mercurial_sink(converter_sink): |
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29 def __init__(self, ui, path): |
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30 converter_sink.__init__(self, ui, path) |
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31 self.branchnames = ui.configbool('convert', 'hg.usebranchnames', True) |
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32 self.clonebranches = ui.configbool('convert', 'hg.clonebranches', False) |
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33 self.tagsbranch = ui.config('convert', 'hg.tagsbranch', 'default') |
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34 self.lastbranch = None |
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35 if os.path.isdir(path) and len(os.listdir(path)) > 0: |
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36 try: |
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37 self.repo = hg.repository(self.ui, path) |
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38 if not self.repo.local(): |
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39 raise NoRepo(_('%s is not a local Mercurial repo') % path) |
7637 | 40 except error.RepoError, err: |
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41 ui.traceback() |
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42 raise NoRepo(err.args[0]) |
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43 else: |
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44 try: |
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45 ui.status(_('initializing destination %s repository\n') % path) |
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46 self.repo = hg.repository(self.ui, path, create=True) |
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47 if not self.repo.local(): |
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48 raise NoRepo(_('%s is not a local Mercurial repo') % path) |
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49 self.created.append(path) |
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50 except error.RepoError: |
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51 ui.traceback() |
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52 raise NoRepo("could not create hg repo %s as sink" % path) |
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53 self.lock = None |
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54 self.wlock = None |
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55 self.filemapmode = False |
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56 |
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57 def before(self): |
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58 self.ui.debug('run hg sink pre-conversion action\n') |
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59 self.wlock = self.repo.wlock() |
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60 self.lock = self.repo.lock() |
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61 |
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62 def after(self): |
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63 self.ui.debug('run hg sink post-conversion action\n') |
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64 if self.lock: |
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65 self.lock.release() |
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66 if self.wlock: |
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67 self.wlock.release() |
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68 |
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69 def revmapfile(self): |
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70 return os.path.join(self.path, ".hg", "shamap") |
316 | 71 |
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72 def authorfile(self): |
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73 return os.path.join(self.path, ".hg", "authormap") |
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74 |
316 | 75 def getheads(self): |
76 h = self.repo.changelog.heads() | |
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77 return [hex(x) for x in h] |
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78 |
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79 def setbranch(self, branch, pbranches): |
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80 if not self.clonebranches: |
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81 return |
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82 |
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83 setbranch = (branch != self.lastbranch) |
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84 self.lastbranch = branch |
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85 if not branch: |
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86 branch = 'default' |
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87 pbranches = [(b[0], b[1] and b[1] or 'default') for b in pbranches] |
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88 pbranch = pbranches and pbranches[0][1] or 'default' |
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89 |
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90 branchpath = os.path.join(self.path, branch) |
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91 if setbranch: |
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92 self.after() |
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93 try: |
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94 self.repo = hg.repository(self.ui, branchpath) |
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95 except: |
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96 self.repo = hg.repository(self.ui, branchpath, create=True) |
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97 self.before() |
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98 |
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99 # pbranches may bring revisions from other branches (merge parents) |
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100 # Make sure we have them, or pull them. |
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101 missings = {} |
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102 for b in pbranches: |
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103 try: |
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104 self.repo.lookup(b[0]) |
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105 except: |
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106 missings.setdefault(b[1], []).append(b[0]) |
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107 |
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108 if missings: |
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109 self.after() |
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110 for pbranch, heads in missings.iteritems(): |
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111 pbranchpath = os.path.join(self.path, pbranch) |
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112 prepo = hg.repository(self.ui, pbranchpath) |
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113 self.ui.note(_('pulling from %s into %s\n') % (pbranch, branch)) |
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114 self.repo.pull(prepo, [prepo.lookup(h) for h in heads]) |
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115 self.before() |
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116 |
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117 def _rewritetags(self, source, revmap, data): |
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118 fp = cStringIO.StringIO() |
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119 for line in data.splitlines(): |
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120 s = line.split(' ', 1) |
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121 if len(s) != 2: |
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122 continue |
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123 revid = revmap.get(source.lookuprev(s[0])) |
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124 if not revid: |
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125 continue |
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126 fp.write('%s %s\n' % (revid, s[1])) |
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127 return fp.getvalue() |
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128 |
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129 def putcommit(self, files, copies, parents, commit, source, revmap): |
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130 |
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131 files = dict(files) |
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132 def getfilectx(repo, memctx, f): |
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133 v = files[f] |
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134 data = source.getfile(f, v) |
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135 e = source.getmode(f, v) |
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136 if f == '.hgtags': |
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137 data = self._rewritetags(source, revmap, data) |
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138 return context.memfilectx(f, data, 'l' in e, 'x' in e, copies.get(f)) |
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139 |
431 | 140 pl = [] |
141 for p in parents: | |
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142 if p not in pl: |
431 | 143 pl.append(p) |
144 parents = pl | |
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145 nparents = len(parents) |
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146 if self.filemapmode and nparents == 1: |
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147 m1node = self.repo.changelog.read(bin(parents[0]))[0] |
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148 parent = parents[0] |
316 | 149 |
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150 if len(parents) < 2: |
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151 parents.append(nullid) |
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152 if len(parents) < 2: |
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153 parents.append(nullid) |
431 | 154 p2 = parents.pop(0) |
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155 |
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156 text = commit.desc |
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157 extra = commit.extra.copy() |
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158 if self.branchnames and commit.branch: |
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159 extra['branch'] = commit.branch |
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160 if commit.rev: |
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161 extra['convert_revision'] = commit.rev |
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162 |
431 | 163 while parents: |
164 p1 = p2 | |
165 p2 = parents.pop(0) | |
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166 ctx = context.memctx(self.repo, (p1, p2), text, files.keys(), |
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167 getfilectx, commit.author, commit.date, extra) |
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168 self.repo.commitctx(ctx) |
431 | 169 text = "(octopus merge fixup)\n" |
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170 p2 = hex(self.repo.changelog.tip()) |
431 | 171 |
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172 if self.filemapmode and nparents == 1: |
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173 man = self.repo.manifest |
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174 mnode = self.repo.changelog.read(bin(p2))[0] |
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175 if not man.cmp(m1node, man.revision(mnode)): |
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176 self.ui.status(_("filtering out empty revision\n")) |
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177 self.repo.rollback() |
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178 return parent |
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179 return p2 |
316 | 180 |
694 | 181 def puttags(self, tags): |
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182 try: |
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183 parentctx = self.repo[self.tagsbranch] |
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184 tagparent = parentctx.node() |
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185 except error.RepoError: |
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186 parentctx = None |
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187 tagparent = nullid |
694 | 188 |
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189 try: |
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190 oldlines = sorted(parentctx['.hgtags'].data().splitlines(True)) |
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191 except: |
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192 oldlines = [] |
694 | 193 |
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194 newlines = sorted([("%s %s\n" % (tags[tag], tag)) for tag in tags]) |
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195 if newlines == oldlines: |
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196 return None, None |
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197 data = "".join(newlines) |
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198 def getfilectx(repo, memctx, f): |
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199 return context.memfilectx(f, data, False, False, None) |
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200 |
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201 self.ui.status(_("updating tags\n")) |
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202 date = "%s 0" % int(time.mktime(time.gmtime())) |
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203 extra = {'branch': self.tagsbranch} |
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204 ctx = context.memctx(self.repo, (tagparent, None), "update tags", |
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205 [".hgtags"], getfilectx, "convert-repo", date, |
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206 extra) |
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207 self.repo.commitctx(ctx) |
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208 return hex(self.repo.changelog.tip()), hex(tagparent) |
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209 |
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210 def setfilemapmode(self, active): |
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211 self.filemapmode = active |
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212 |
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213 class mercurial_source(converter_source): |
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214 def __init__(self, ui, path, rev=None): |
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215 converter_source.__init__(self, ui, path, rev) |
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changeset
|
216 self.ignoreerrors = ui.configbool('convert', 'hg.ignoreerrors', False) |
8456
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
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217 self.ignored = set() |
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218 self.saverev = ui.configbool('convert', 'hg.saverev', False) |
5358
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219 try: |
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220 self.repo = hg.repository(self.ui, path) |
5437
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221 # try to provoke an exception if this isn't really a hg |
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222 # repo, but some other bogus compatible-looking url |
5522
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223 if not self.repo.local(): |
7637 | 224 raise error.RepoError() |
225 except error.RepoError: | |
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226 ui.traceback() |
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227 raise NoRepo("%s is not a local Mercurial repo" % path) |
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228 self.lastrev = None |
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229 self.lastctx = None |
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230 self._changescache = None |
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231 self.convertfp = None |
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|
232 # Restrict converted revisions to startrev descendants |
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233 startnode = ui.config('convert', 'hg.startrev') |
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234 if startnode is not None: |
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235 try: |
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236 startnode = self.repo.lookup(startnode) |
7637 | 237 except error.RepoError: |
6923
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parents:
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diff
changeset
|
238 raise util.Abort(_('%s is not a valid start revision') |
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239 % startnode) |
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|
240 startrev = self.repo.changelog.rev(startnode) |
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241 children = {startnode: 1} |
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242 for rev in self.repo.changelog.descendants(startrev): |
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243 children[self.repo.changelog.node(rev)] = 1 |
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244 self.keep = children.__contains__ |
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245 else: |
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246 self.keep = util.always |
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247 |
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248 def changectx(self, rev): |
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249 if self.lastrev != rev: |
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250 self.lastctx = self.repo[rev] |
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251 self.lastrev = rev |
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252 return self.lastctx |
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253 |
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254 def parents(self, ctx): |
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255 return [p for p in ctx.parents() if p and self.keep(p.node())] |
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256 |
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257 def getheads(self): |
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258 if self.rev: |
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259 heads = [self.repo[self.rev].node()] |
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260 else: |
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261 heads = self.repo.heads() |
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262 return [hex(h) for h in heads if self.keep(h)] |
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263 |
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264 def getfile(self, name, rev): |
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265 try: |
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266 return self.changectx(rev)[name].data() |
7633 | 267 except error.LookupError, err: |
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268 raise IOError(err) |
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269 |
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270 def getmode(self, name, rev): |
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271 return self.changectx(rev).manifest().flags(name) |
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272 |
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273 def getchanges(self, rev): |
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274 ctx = self.changectx(rev) |
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275 parents = self.parents(ctx) |
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276 if not parents: |
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277 files = sorted(ctx.manifest()) |
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278 if self.ignoreerrors: |
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279 # calling getcopies() is a simple way to detect missing |
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280 # revlogs and populate self.ignored |
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281 self.getcopies(ctx, parents, files) |
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282 return [(f, rev) for f in files if f not in self.ignored], {} |
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283 if self._changescache and self._changescache[0] == rev: |
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284 m, a, r = self._changescache[1] |
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285 else: |
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286 m, a, r = self.repo.status(parents[0].node(), ctx.node())[:3] |
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287 # getcopies() detects missing revlogs early, run it before |
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288 # filtering the changes. |
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289 copies = self.getcopies(ctx, parents, m + a) |
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290 changes = [(name, rev) for name in m + a + r |
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291 if name not in self.ignored] |
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292 return sorted(changes), copies |
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293 |
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294 def getcopies(self, ctx, parents, files): |
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295 copies = {} |
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296 for name in files: |
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297 if name in self.ignored: |
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298 continue |
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299 try: |
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300 copysource, copynode = ctx.filectx(name).renamed() |
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301 if copysource in self.ignored or not self.keep(copynode): |
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302 continue |
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303 # Ignore copy sources not in parent revisions |
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304 found = False |
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305 for p in parents: |
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306 if copysource in p: |
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307 found = True |
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308 break |
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309 if not found: |
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310 continue |
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311 copies[name] = copysource |
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312 except TypeError: |
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313 pass |
7633 | 314 except error.LookupError, e: |
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315 if not self.ignoreerrors: |
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316 raise |
8456
e9e2a2c9b294
convert: use set instead of dict
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317 self.ignored.add(name) |
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318 self.ui.warn(_('ignoring: %s\n') % e) |
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319 return copies |
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320 |
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321 def getcommit(self, rev): |
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322 ctx = self.changectx(rev) |
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323 parents = [p.hex() for p in self.parents(ctx)] |
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324 if self.saverev: |
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325 crev = rev |
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326 else: |
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327 crev = None |
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328 return commit(author=ctx.user(), date=util.datestr(ctx.date()), |
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329 desc=ctx.description(), rev=crev, parents=parents, |
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330 branch=ctx.branch(), extra=ctx.extra(), |
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331 sortkey=ctx.rev()) |
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332 |
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333 def gettags(self): |
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334 tags = [t for t in self.repo.tagslist() if t[0] != 'tip'] |
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335 return dict([(name, hex(node)) for name, node in tags |
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336 if self.keep(node)]) |
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337 |
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338 def getchangedfiles(self, rev, i): |
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339 ctx = self.changectx(rev) |
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340 parents = self.parents(ctx) |
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341 if not parents and i is None: |
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342 i = 0 |
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343 changes = [], ctx.manifest().keys(), [] |
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344 else: |
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345 i = i or 0 |
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346 changes = self.repo.status(parents[i].node(), ctx.node())[:3] |
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347 changes = [[f for f in l if f not in self.ignored] for l in changes] |
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348 |
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349 if i == 0: |
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350 self._changescache = (rev, changes) |
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351 |
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352 return changes[0] + changes[1] + changes[2] |
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353 |
5554
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354 def converted(self, rev, destrev): |
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355 if self.convertfp is None: |
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356 self.convertfp = open(os.path.join(self.path, '.hg', 'shamap'), |
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357 'a') |
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358 self.convertfp.write('%s %s\n' % (destrev, rev)) |
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359 self.convertfp.flush() |
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360 |
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361 def before(self): |
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362 self.ui.debug('run hg source pre-conversion action\n') |
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363 |
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364 def after(self): |
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365 self.ui.debug('run hg source post-conversion action\n') |
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366 |
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367 def hasnativeorder(self): |
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368 return True |
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369 |
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370 def lookuprev(self, rev): |
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371 try: |
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372 return hex(self.repo.lookup(rev)) |
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373 except error.RepoError: |
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374 return None |