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
|
# Copyright (C) 2008-2009 Ben Finney <benf@cybersource.com.au>
# Chris Ball <cjb@laptop.org>
# Gianluca Montecchi <gian@grys.it>
# W. Trevor King <wking@drexel.edu>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
"""
Git backend.
"""
import os
import re
import sys
import unittest
import doctest
import vcs
def new():
return Git()
class Git(vcs.VCS):
name="git"
client="git"
versioned=True
def _vcs_version(self):
status,output,error = self._u_invoke_client("--version")
return output
def _vcs_detect(self, path):
if self._u_search_parent_directories(path, ".git") != None :
return True
return False
def _vcs_root(self, path):
"""Find the root of the deepest repository containing path."""
# Assume that nothing funny is going on; in particular, that we aren't
# dealing with a bare repo.
if os.path.isdir(path) != True:
path = os.path.dirname(path)
status,output,error = self._u_invoke_client("rev-parse", "--git-dir",
cwd=path)
gitdir = os.path.join(path, output.rstrip('\n'))
dirname = os.path.abspath(os.path.dirname(gitdir))
return dirname
def _vcs_init(self, path):
self._u_invoke_client("init", cwd=path)
def _vcs_get_user_id(self):
status,output,error = \
self._u_invoke_client("config", "user.name", expect=(0,1))
if status == 0:
name = output.rstrip('\n')
else:
name = ""
status,output,error = \
self._u_invoke_client("config", "user.email", expect=(0,1))
if status == 0:
email = output.rstrip('\n')
else:
email = ""
if name != "" or email != "": # got something!
# guess missing info, if necessary
if name == "":
name = self._u_get_fallback_username()
if email == "":
email = self._u_get_fallback_email()
return self._u_create_id(name, email)
return None # Git has no infomation
def _vcs_set_user_id(self, value):
name,email = self._u_parse_id(value)
if email != None:
self._u_invoke_client("config", "user.email", email)
self._u_invoke_client("config", "user.name", name)
def _vcs_add(self, path):
if os.path.isdir(path):
return
self._u_invoke_client("add", path)
def _vcs_remove(self, path):
if not os.path.isdir(self._u_abspath(path)):
self._u_invoke_client("rm", "-f", path)
def _vcs_update(self, path):
self._vcs_add(path)
def _vcs_get_file_contents(self, path, revision=None, binary=False):
if revision == None:
return vcs.VCS._vcs_get_file_contents(self, path, revision, binary=binary)
else:
arg = "%s:%s" % (revision,path)
status,output,error = self._u_invoke_client("show", arg)
return output
def _vcs_duplicate_repo(self, directory, revision=None):
if revision==None:
vcs.VCS._vcs_duplicate_repo(self, directory, revision)
else:
self._u_invoke_client("clone", "--no-checkout", ".", directory)
self._u_invoke_client("checkout", revision, cwd=directory)
def _vcs_commit(self, commitfile, allow_empty=False):
args = ['commit', '--all', '--file', commitfile]
if allow_empty == True:
args.append("--allow-empty")
status,output,error = self._u_invoke_client(*args)
else:
kwargs = {"expect":(0,1)}
status,output,error = self._u_invoke_client(*args, **kwargs)
strings = ["nothing to commit",
"nothing added to commit"]
if self._u_any_in_string(strings, output) == True:
raise vcs.EmptyCommit()
revision = None
revline = re.compile("(.*) (.*)[:\]] (.*)")
match = revline.search(output)
assert match != None, output+error
assert len(match.groups()) == 3
revision = match.groups()[1]
full_revision = self._vcs_revision_id(-1)
assert full_revision.startswith(revision), \
"Mismatched revisions:\n%s\n%s" % (revision, full_revision)
return full_revision
def _vcs_revision_id(self, index):
args = ["rev-list", "--first-parent", "--reverse", "HEAD"]
kwargs = {"expect":(0,128)}
status,output,error = self._u_invoke_client(*args, **kwargs)
if status == 128:
if error.startswith("fatal: ambiguous argument 'HEAD': unknown "):
return None
raise vcs.CommandError(args, status, stdout="", stderr=error)
commits = output.splitlines()
try:
return commits[index]
except IndexError:
return None
vcs.make_vcs_testcase_subclasses(Git, sys.modules[__name__])
unitsuite = unittest.TestLoader().loadTestsFromModule(sys.modules[__name__])
suite = unittest.TestSuite([unitsuite, doctest.DocTestSuite()])
|
