annotate hgext/convert/git.py @ 16259:589aab2ca716

convert: support non annotated tags in git backend Do not blindly filter out non ending ^{} tags. The new logic is: - if both "tag" and "tag^{}" exist, "tag^{}" is what we want - if only "tag" exists, "tag" is fine
author Edouard Gomez <ed.gomez@free.fr>
date Wed, 14 Mar 2012 01:13:45 +0100
parents 11aad09a6370
children ba42eb722bb3
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 # git.py - git support for the 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
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6 # GNU General Public License version 2 or any later version.
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7
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8 import os
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9 from mercurial import util
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10 from mercurial.node import hex, nullid
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11 from mercurial.i18n import _
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12
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13 from common import NoRepo, commit, converter_source, checktool
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14
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15 class convert_git(converter_source):
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16 # Windows does not support GIT_DIR= construct while other systems
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17 # cannot remove environment variable. Just assume none have
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18 # both issues.
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19 if util.safehasattr(os, 'unsetenv'):
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20 def gitopen(self, s, noerr=False):
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21 prevgitdir = os.environ.get('GIT_DIR')
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22 os.environ['GIT_DIR'] = self.path
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23 try:
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24 if noerr:
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25 (stdin, stdout, stderr) = util.popen3(s)
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26 return stdout
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27 else:
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28 return util.popen(s, 'rb')
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29 finally:
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30 if prevgitdir is None:
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31 del os.environ['GIT_DIR']
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32 else:
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33 os.environ['GIT_DIR'] = prevgitdir
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34 else:
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35 def gitopen(self, s, noerr=False):
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36 if noerr:
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37 (sin, so, se) = util.popen3('GIT_DIR=%s %s' % (self.path, s))
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38 return so
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39 else:
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40 return util.popen('GIT_DIR=%s %s' % (self.path, s), 'rb')
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41
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42 def gitread(self, s):
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43 fh = self.gitopen(s)
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44 data = fh.read()
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45 return data, fh.close()
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46
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47 def __init__(self, ui, path, rev=None):
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48 super(convert_git, self).__init__(ui, path, rev=rev)
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49
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50 if os.path.isdir(path + "/.git"):
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51 path += "/.git"
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52 if not os.path.exists(path + "/objects"):
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53 raise NoRepo(_("%s does not look like a Git repository") % path)
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54
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55 checktool('git', 'git')
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56
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57 self.path = path
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58
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59 def getheads(self):
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60 if not self.rev:
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61 heads, ret = self.gitread('git rev-parse --branches --remotes')
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62 heads = heads.splitlines()
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63 else:
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64 heads, ret = self.gitread("git rev-parse --verify %s" % self.rev)
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65 heads = [heads[:-1]]
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66 if ret:
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67 raise util.Abort(_('cannot retrieve git heads'))
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68 return heads
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69
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70 def catfile(self, rev, type):
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71 if rev == hex(nullid):
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72 raise IOError()
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73 data, ret = self.gitread("git cat-file %s %s" % (type, rev))
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74 if ret:
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75 raise util.Abort(_('cannot read %r object at %s') % (type, rev))
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76 return data
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77
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78 def getfile(self, name, rev):
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79 data = self.catfile(rev, "blob")
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80 mode = self.modecache[(name, rev)]
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81 return data, mode
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82
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83 def getchanges(self, version):
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84 self.modecache = {}
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85 fh = self.gitopen("git diff-tree -z --root -m -r %s" % version)
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86 changes = []
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87 seen = set()
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88 entry = None
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89 for l in fh.read().split('\x00'):
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90 if not entry:
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91 if not l.startswith(':'):
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92 continue
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93 entry = l
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94 continue
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95 f = l
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96 if f not in seen:
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97 seen.add(f)
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98 entry = entry.split()
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99 h = entry[3]
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100 p = (entry[1] == "100755")
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101 s = (entry[1] == "120000")
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102 self.modecache[(f, h)] = (p and "x") or (s and "l") or ""
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103 changes.append((f, h))
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104 entry = None
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105 if fh.close():
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106 raise util.Abort(_('cannot read changes in %s') % version)
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107 return (changes, {})
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108
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109 def getcommit(self, version):
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110 c = self.catfile(version, "commit") # read the commit hash
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111 end = c.find("\n\n")
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112 message = c[end + 2:]
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113 message = self.recode(message)
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114 l = c[:end].splitlines()
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115 parents = []
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116 author = committer = None
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117 for e in l[1:]:
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118 n, v = e.split(" ", 1)
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119 if n == "author":
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120 p = v.split()
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121 tm, tz = p[-2:]
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122 author = " ".join(p[:-2])
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123 if author[0] == "<": author = author[1:-1]
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124 author = self.recode(author)
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125 if n == "committer":
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126 p = v.split()
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127 tm, tz = p[-2:]
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128 committer = " ".join(p[:-2])
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129 if committer[0] == "<": committer = committer[1:-1]
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130 committer = self.recode(committer)
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131 if n == "parent":
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132 parents.append(v)
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133
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134 if committer and committer != author:
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135 message += "\ncommitter: %s\n" % committer
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adb3de56635b convert-repo: Fix timezone handling
Matt Mackall <mpm@selenic.com>
parents: 1335
diff changeset
136 tzs, tzh, tzm = tz[-5:-4] + "1", tz[-4:-2], tz[-2:]
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5cc414722587 convert-repo: fix reversed time zone offset
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1715
diff changeset
137 tz = -int(tzs) * (int(tzh) * 3600 + int(tzm))
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Matt Mackall <mpm@selenic.com>
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diff changeset
138 date = tm + " " + str(tz)
3954
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Matt Mackall <mpm@selenic.com>
parents: 3953
diff changeset
139
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Brendan Cully <brendan@kublai.com>
parents: 4810
diff changeset
140 c = commit(parents=parents, date=date, author=author, desc=message,
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diff changeset
141 rev=version)
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diff changeset
142 return c
316
c48d069163d6 Add new convert-repo script
mpm@selenic.com
parents:
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143
694
51eb248d3348 Teach convert-repo about tags
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144 def gettags(self):
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145 tags = {}
16259
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Edouard Gomez <ed.gomez@free.fr>
parents: 14945
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146 alltags = {}
10985
7fab6ae3f688 convert/git: rename gitcmd() into gitopen() for readability
Patrick Mezard <pmezard@gmail.com>
parents: 10939
diff changeset
147 fh = self.gitopen('git ls-remote --tags "%s"' % self.path)
4062
516f883e3d79 convert-repo: handle packed git tags
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4047
diff changeset
148 prefix = 'refs/tags/'
16259
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Edouard Gomez <ed.gomez@free.fr>
parents: 14945
diff changeset
149
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150 # Build complete list of tags, both annotated and bare ones
4062
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Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4047
diff changeset
151 for line in fh:
516f883e3d79 convert-repo: handle packed git tags
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parents: 4047
diff changeset
152 line = line.strip()
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Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4047
diff changeset
153 node, tag = line.split(None, 1)
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Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4047
diff changeset
154 if not tag.startswith(prefix):
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parents: 4047
diff changeset
155 continue
16259
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parents: 14945
diff changeset
156 alltags[tag[len(prefix):]] = node
10987
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Patrick Mezard <pmezard@gmail.com>
parents: 10986
diff changeset
157 if fh.close():
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parents: 10986
diff changeset
158 raise util.Abort(_('cannot read tags from %s') % self.path)
4062
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parents: 4047
diff changeset
159
16259
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parents: 14945
diff changeset
160 # Filter out tag objects for annotated tag refs
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Edouard Gomez <ed.gomez@free.fr>
parents: 14945
diff changeset
161 for tag in alltags:
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Edouard Gomez <ed.gomez@free.fr>
parents: 14945
diff changeset
162 if tag.endswith('^{}'):
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parents: 14945
diff changeset
163 tags[tag[:-3]] = alltags[tag]
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parents: 14945
diff changeset
164 else:
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parents: 14945
diff changeset
165 if tag + '^{}' in alltags:
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Edouard Gomez <ed.gomez@free.fr>
parents: 14945
diff changeset
166 continue
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parents: 14945
diff changeset
167 else:
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parents: 14945
diff changeset
168 tags[tag] = alltags[tag]
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parents: 14945
diff changeset
169
694
51eb248d3348 Teach convert-repo about tags
mpm@selenic.com
parents: 692
diff changeset
170 return tags
5380
a5a7f7fd5554 convert_git: add --filemap support
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5336
diff changeset
171
a5a7f7fd5554 convert_git: add --filemap support
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5336
diff changeset
172 def getchangedfiles(self, version, i):
a5a7f7fd5554 convert_git: add --filemap support
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5336
diff changeset
173 changes = []
a5a7f7fd5554 convert_git: add --filemap support
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5336
diff changeset
174 if i is None:
10985
7fab6ae3f688 convert/git: rename gitcmd() into gitopen() for readability
Patrick Mezard <pmezard@gmail.com>
parents: 10939
diff changeset
175 fh = self.gitopen("git diff-tree --root -m -r %s" % version)
5380
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Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5336
diff changeset
176 for l in fh:
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parents: 5336
diff changeset
177 if "\t" not in l:
a5a7f7fd5554 convert_git: add --filemap support
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parents: 5336
diff changeset
178 continue
a5a7f7fd5554 convert_git: add --filemap support
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5336
diff changeset
179 m, f = l[:-1].split("\t")
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Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5336
diff changeset
180 changes.append(f)
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Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5336
diff changeset
181 else:
10985
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Patrick Mezard <pmezard@gmail.com>
parents: 10939
diff changeset
182 fh = self.gitopen('git diff-tree --name-only --root -r %s "%s^%s" --'
10282
08a0f04b56bd many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents: 10263
diff changeset
183 % (version, version, i + 1))
5380
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Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5336
diff changeset
184 changes = [f.rstrip('\n') for f in fh]
10987
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Patrick Mezard <pmezard@gmail.com>
parents: 10986
diff changeset
185 if fh.close():
b3af02b1f19f convert/git: check status when reading output stream
Patrick Mezard <pmezard@gmail.com>
parents: 10986
diff changeset
186 raise util.Abort(_('cannot read changes in %s') % version)
5380
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Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5336
diff changeset
187
a5a7f7fd5554 convert_git: add --filemap support
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5336
diff changeset
188 return changes
13756
6b7077df4aa5 convert: add bookmarks reading support to git backend
Edouard Gomez <ed.gomez@free.fr>
parents: 12144
diff changeset
189
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Edouard Gomez <ed.gomez@free.fr>
parents: 12144
diff changeset
190 def getbookmarks(self):
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Edouard Gomez <ed.gomez@free.fr>
parents: 12144
diff changeset
191 bookmarks = {}
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parents: 12144
diff changeset
192
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diff changeset
193 # Interesting references in git are prefixed
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Edouard Gomez <ed.gomez@free.fr>
parents: 12144
diff changeset
194 prefix = 'refs/heads/'
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Edouard Gomez <ed.gomez@free.fr>
parents: 12144
diff changeset
195 prefixlen = len(prefix)
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Edouard Gomez <ed.gomez@free.fr>
parents: 12144
diff changeset
196
6b7077df4aa5 convert: add bookmarks reading support to git backend
Edouard Gomez <ed.gomez@free.fr>
parents: 12144
diff changeset
197 # factor two commands
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Edouard Gomez <ed.gomez@free.fr>
parents: 12144
diff changeset
198 gitcmd = { 'remote/': 'git ls-remote --heads origin',
6b7077df4aa5 convert: add bookmarks reading support to git backend
Edouard Gomez <ed.gomez@free.fr>
parents: 12144
diff changeset
199 '': 'git show-ref'}
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Edouard Gomez <ed.gomez@free.fr>
parents: 12144
diff changeset
200
6b7077df4aa5 convert: add bookmarks reading support to git backend
Edouard Gomez <ed.gomez@free.fr>
parents: 12144
diff changeset
201 # Origin heads
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Edouard Gomez <ed.gomez@free.fr>
parents: 12144
diff changeset
202 for reftype in gitcmd:
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Edouard Gomez <ed.gomez@free.fr>
parents: 12144
diff changeset
203 try:
6b7077df4aa5 convert: add bookmarks reading support to git backend
Edouard Gomez <ed.gomez@free.fr>
parents: 12144
diff changeset
204 fh = self.gitopen(gitcmd[reftype], noerr=True)
6b7077df4aa5 convert: add bookmarks reading support to git backend
Edouard Gomez <ed.gomez@free.fr>
parents: 12144
diff changeset
205 for line in fh:
6b7077df4aa5 convert: add bookmarks reading support to git backend
Edouard Gomez <ed.gomez@free.fr>
parents: 12144
diff changeset
206 line = line.strip()
6b7077df4aa5 convert: add bookmarks reading support to git backend
Edouard Gomez <ed.gomez@free.fr>
parents: 12144
diff changeset
207 rev, name = line.split(None, 1)
6b7077df4aa5 convert: add bookmarks reading support to git backend
Edouard Gomez <ed.gomez@free.fr>
parents: 12144
diff changeset
208 if not name.startswith(prefix):
6b7077df4aa5 convert: add bookmarks reading support to git backend
Edouard Gomez <ed.gomez@free.fr>
parents: 12144
diff changeset
209 continue
6b7077df4aa5 convert: add bookmarks reading support to git backend
Edouard Gomez <ed.gomez@free.fr>
parents: 12144
diff changeset
210 name = '%s%s' % (reftype, name[prefixlen:])
6b7077df4aa5 convert: add bookmarks reading support to git backend
Edouard Gomez <ed.gomez@free.fr>
parents: 12144
diff changeset
211 bookmarks[name] = rev
6b7077df4aa5 convert: add bookmarks reading support to git backend
Edouard Gomez <ed.gomez@free.fr>
parents: 12144
diff changeset
212 except:
6b7077df4aa5 convert: add bookmarks reading support to git backend
Edouard Gomez <ed.gomez@free.fr>
parents: 12144
diff changeset
213 pass
6b7077df4aa5 convert: add bookmarks reading support to git backend
Edouard Gomez <ed.gomez@free.fr>
parents: 12144
diff changeset
214
6b7077df4aa5 convert: add bookmarks reading support to git backend
Edouard Gomez <ed.gomez@free.fr>
parents: 12144
diff changeset
215 return bookmarks