1 # hg backend for convert extension |
1 # hg backend for convert extension |
2 |
2 |
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3 # Note for hg->hg conversion: Old versions of Mercurial didn't trim |
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4 # the whitespace from the ends of commit messages, but new versions |
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5 # do. Changesets created by those older versions, then converted, may |
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6 # thus have different hashes for changesets that are otherwise |
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7 # identical. |
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8 |
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9 |
3 import os, time |
10 import os, time |
4 from mercurial import hg |
11 from mercurial.node import * |
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12 from mercurial import hg, revlog, util |
5 |
13 |
6 from common import NoRepo, converter_sink |
14 from common import NoRepo, commit, converter_source, converter_sink |
7 |
15 |
8 class convert_mercurial(converter_sink): |
16 class mercurial_sink(converter_sink): |
9 def __init__(self, ui, path): |
17 def __init__(self, ui, path): |
10 self.path = path |
18 self.path = path |
11 self.ui = ui |
19 self.ui = ui |
12 try: |
20 try: |
13 self.repo = hg.repository(self.ui, path) |
21 self.repo = hg.repository(self.ui, path) |
14 except: |
22 except: |
15 raise NoRepo("could open hg repo %s" % path) |
23 raise NoRepo("could not open hg repo %s as sink" % path) |
16 |
24 |
17 def revmapfile(self): |
25 def revmapfile(self): |
18 return os.path.join(self.path, ".hg", "shamap") |
26 return os.path.join(self.path, ".hg", "shamap") |
19 |
27 |
20 def authorfile(self): |
28 def authorfile(self): |
93 if not oldlines: self.repo.add([".hgtags"]) |
101 if not oldlines: self.repo.add([".hgtags"]) |
94 date = "%s 0" % int(time.mktime(time.gmtime())) |
102 date = "%s 0" % int(time.mktime(time.gmtime())) |
95 self.repo.rawcommit([".hgtags"], "update tags", "convert-repo", |
103 self.repo.rawcommit([".hgtags"], "update tags", "convert-repo", |
96 date, self.repo.changelog.tip(), hg.nullid) |
104 date, self.repo.changelog.tip(), hg.nullid) |
97 return hg.hex(self.repo.changelog.tip()) |
105 return hg.hex(self.repo.changelog.tip()) |
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106 |
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107 class mercurial_source(converter_source): |
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108 def __init__(self, ui, path, rev=None): |
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109 converter_source.__init__(self, ui, path, rev) |
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110 self.repo = hg.repository(self.ui, path) |
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111 self.lastrev = None |
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112 self.lastctx = None |
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113 |
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114 def changectx(self, rev): |
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115 if self.lastrev != rev: |
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116 self.lastctx = self.repo.changectx(rev) |
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117 self.lastrev = rev |
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118 return self.lastctx |
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119 |
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120 def getheads(self): |
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121 return [hex(node) for node in self.repo.heads()] |
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122 |
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123 def getfile(self, name, rev): |
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124 try: |
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125 return self.changectx(rev).filectx(name).data() |
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126 except revlog.LookupError, err: |
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127 raise IOError(err) |
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128 |
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129 def getmode(self, name, rev): |
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130 m = self.changectx(rev).manifest() |
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131 return (m.execf(name) and 'x' or '') + (m.linkf(name) and 'l' or '') |
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132 |
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133 def getchanges(self, rev): |
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134 ctx = self.changectx(rev) |
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135 m, a, r = self.repo.status(ctx.parents()[0].node(), ctx.node())[:3] |
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136 changes = [(name, rev) for name in m + a + r] |
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137 changes.sort() |
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138 return changes |
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139 |
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140 def getcopies(self, ctx): |
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141 added = self.repo.status(ctx.parents()[0].node(), ctx.node())[1] |
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142 copies = {} |
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143 for name in added: |
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144 try: |
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145 copies[name] = ctx.filectx(name).renamed()[0] |
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146 except TypeError: |
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147 pass |
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148 return copies |
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149 |
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150 def getcommit(self, rev): |
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151 ctx = self.changectx(rev) |
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152 parents = [hex(p.node()) for p in ctx.parents() if p.node() != nullid] |
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153 return commit(author=ctx.user(), date=util.datestr(ctx.date()), |
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154 desc=ctx.description(), parents=parents, |
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155 branch=ctx.branch(), copies=self.getcopies(ctx)) |
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156 |
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157 def gettags(self): |
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158 tags = [t for t in self.repo.tagslist() if t[0] != 'tip'] |
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159 return dict([(name, hex(node)) for name, node in tags]) |