1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
# git.py - git support for the convert extension
#
# Copyright 2005-2009 Matt Mackall <mpm@selenic.com> and others
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2, incorporated herein by reference.
import os
from mercurial import util
from common import NoRepo, commit, converter_source, checktool
class convert_git(converter_source):
# Windows does not support GIT_DIR= construct while other systems
# cannot remove environment variable. Just assume none have
# both issues.
if hasattr(os, 'unsetenv'):
def gitcmd(self, s):
prevgitdir = os.environ.get('GIT_DIR')
os.environ['GIT_DIR'] = self.path
try:
return util.popen(s, 'rb')
finally:
if prevgitdir is None:
del os.environ['GIT_DIR']
else:
os.environ['GIT_DIR'] = prevgitdir
else:
def gitcmd(self, s):
return util.popen('GIT_DIR=%s %s' % (self.path, s), 'rb')
def __init__(self, ui, path, rev=None):
super(convert_git, self).__init__(ui, path, rev=rev)
if os.path.isdir(path + "/.git"):
path += "/.git"
if not os.path.exists(path + "/objects"):
raise NoRepo("%s does not look like a Git repo" % path)
checktool('git', 'git')
self.path = path
def getheads(self):
if not self.rev:
return self.gitcmd('git rev-parse --branches --remotes').read().splitlines()
else:
fh = self.gitcmd("git rev-parse --verify %s" % self.rev)
return [fh.read()[:-1]]
def catfile(self, rev, type):
if rev == "0" * 40: raise IOError()
fh = self.gitcmd("git cat-file %s %s" % (type, rev))
return fh.read()
def getfile(self, name, rev):
return self.catfile(rev, "blob")
def getmode(self, name, rev):
return self.modecache[(name, rev)]
def getchanges(self, version):
self.modecache = {}
fh = self.gitcmd("git diff-tree -z --root -m -r %s" % version)
changes = []
seen = set()
entry = None
for l in fh.read().split('\x00'):
if not entry:
if not l.startswith(':'):
continue
entry = l
continue
f = l
if f not in seen:
seen.add(f)
entry = entry.split()
h = entry[3]
p = (entry[1] == "100755")
s = (entry[1] == "120000")
self.modecache[(f, h)] = (p and "x") or (s and "l") or ""
changes.append((f, h))
entry = None
return (changes, {})
def getcommit(self, version):
c = self.catfile(version, "commit") # read the commit hash
end = c.find("\n\n")
message = c[end+2:]
message = self.recode(message)
l = c[:end].splitlines()
parents = []
author = committer = None
for e in l[1:]:
n, v = e.split(" ", 1)
if n == "author":
p = v.split()
tm, tz = p[-2:]
author = " ".join(p[:-2])
if author[0] == "<": author = author[1:-1]
author = self.recode(author)
if n == "committer":
p = v.split()
tm, tz = p[-2:]
committer = " ".join(p[:-2])
if committer[0] == "<": committer = committer[1:-1]
committer = self.recode(committer)
if n == "parent": parents.append(v)
if committer and committer != author:
message += "\ncommitter: %s\n" % committer
tzs, tzh, tzm = tz[-5:-4] + "1", tz[-4:-2], tz[-2:]
tz = -int(tzs) * (int(tzh) * 3600 + int(tzm))
date = tm + " " + str(tz)
c = commit(parents=parents, date=date, author=author, desc=message,
rev=version)
return c
def gettags(self):
tags = {}
fh = self.gitcmd('git ls-remote --tags "%s"' % self.path)
prefix = 'refs/tags/'
for line in fh:
line = line.strip()
if not line.endswith("^{}"):
continue
node, tag = line.split(None, 1)
if not tag.startswith(prefix):
continue
tag = tag[len(prefix):-3]
tags[tag] = node
return tags
def getchangedfiles(self, version, i):
changes = []
if i is None:
fh = self.gitcmd("git diff-tree --root -m -r %s" % version)
for l in fh:
if "\t" not in l:
continue
m, f = l[:-1].split("\t")
changes.append(f)
fh.close()
else:
fh = self.gitcmd('git diff-tree --name-only --root -r %s "%s^%s" --'
% (version, version, i+1))
changes = [f.rstrip('\n') for f in fh]
fh.close()
return changes
|
