Commit | Line | Data |
---|---|---|
41a6d859 CM |
1 | """Python GIT interface |
2 | """ | |
3 | ||
4 | __copyright__ = """ | |
5 | Copyright (C) 2005, Catalin Marinas <catalin.marinas@gmail.com> | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License version 2 as | |
9 | published by the Free Software Foundation. | |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with this program; if not, write to the Free Software | |
18 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | """ | |
20 | ||
3659ef88 | 21 | import sys, os, popen2, re, gitmergeonefile |
41a6d859 | 22 | |
170f576b | 23 | from stgit import basedir |
41a6d859 CM |
24 | from stgit.utils import * |
25 | ||
26 | # git exception class | |
27 | class GitException(Exception): | |
28 | pass | |
29 | ||
30 | ||
41a6d859 | 31 | |
41a6d859 CM |
32 | # |
33 | # Classes | |
34 | # | |
35 | class Commit: | |
36 | """Handle the commit objects | |
37 | """ | |
38 | def __init__(self, id_hash): | |
39 | self.__id_hash = id_hash | |
41a6d859 | 40 | |
26dba451 BL |
41 | lines = _output_lines('git-cat-file commit %s' % id_hash) |
42 | for i in range(len(lines)): | |
43 | line = lines[i] | |
41a6d859 CM |
44 | if line == '\n': |
45 | break | |
46 | field = line.strip().split(' ', 1) | |
47 | if field[0] == 'tree': | |
48 | self.__tree = field[1] | |
41a6d859 CM |
49 | if field[0] == 'author': |
50 | self.__author = field[1] | |
dad310d0 | 51 | if field[0] == 'committer': |
41a6d859 | 52 | self.__committer = field[1] |
0618ea9c | 53 | self.__log = ''.join(lines[i+1:]) |
41a6d859 CM |
54 | |
55 | def get_id_hash(self): | |
56 | return self.__id_hash | |
57 | ||
58 | def get_tree(self): | |
59 | return self.__tree | |
60 | ||
61 | def get_parent(self): | |
64354a2d CM |
62 | parents = self.get_parents() |
63 | if parents: | |
64 | return parents[0] | |
65 | else: | |
66 | return None | |
37a4d1bf CM |
67 | |
68 | def get_parents(self): | |
2406f7d1 CM |
69 | return _output_lines('git-rev-list --parents --max-count=1 %s' |
70 | % self.__id_hash)[0].split()[1:] | |
41a6d859 CM |
71 | |
72 | def get_author(self): | |
73 | return self.__author | |
74 | ||
75 | def get_committer(self): | |
76 | return self.__committer | |
77 | ||
37a4d1bf CM |
78 | def get_log(self): |
79 | return self.__log | |
80 | ||
8e29bcd2 CM |
81 | # dictionary of Commit objects, used to avoid multiple calls to git |
82 | __commits = dict() | |
41a6d859 CM |
83 | |
84 | # | |
85 | # Functions | |
86 | # | |
bae29ddd | 87 | |
8e29bcd2 CM |
88 | def get_commit(id_hash): |
89 | """Commit objects factory. Save/look-up them in the __commits | |
90 | dictionary | |
91 | """ | |
3237b6e4 CM |
92 | global __commits |
93 | ||
8e29bcd2 CM |
94 | if id_hash in __commits: |
95 | return __commits[id_hash] | |
96 | else: | |
97 | commit = Commit(id_hash) | |
98 | __commits[id_hash] = commit | |
99 | return commit | |
100 | ||
41a6d859 CM |
101 | def get_conflicts(): |
102 | """Return the list of file conflicts | |
103 | """ | |
170f576b | 104 | conflicts_file = os.path.join(basedir.get(), 'conflicts') |
41a6d859 CM |
105 | if os.path.isfile(conflicts_file): |
106 | f = file(conflicts_file) | |
107 | names = [line.strip() for line in f.readlines()] | |
108 | f.close() | |
109 | return names | |
110 | else: | |
111 | return None | |
112 | ||
0d2cd1e4 | 113 | def _input(cmd, file_desc): |
741f2784 | 114 | p = popen2.Popen3(cmd, True) |
6fe6b1bd CM |
115 | while True: |
116 | line = file_desc.readline() | |
117 | if not line: | |
118 | break | |
0d2cd1e4 CM |
119 | p.tochild.write(line) |
120 | p.tochild.close() | |
121 | if p.wait(): | |
2c5d2242 CM |
122 | raise GitException, '%s failed (%s)' % (str(cmd), |
123 | p.childerr.read().strip()) | |
0d2cd1e4 | 124 | |
d0bfda1a CM |
125 | def _input_str(cmd, string): |
126 | p = popen2.Popen3(cmd, True) | |
127 | p.tochild.write(string) | |
128 | p.tochild.close() | |
129 | if p.wait(): | |
2c5d2242 CM |
130 | raise GitException, '%s failed (%s)' % (str(cmd), |
131 | p.childerr.read().strip()) | |
d0bfda1a | 132 | |
26dba451 | 133 | def _output(cmd): |
741f2784 | 134 | p=popen2.Popen3(cmd, True) |
7cc615f3 | 135 | output = p.fromchild.read() |
26dba451 | 136 | if p.wait(): |
2c5d2242 CM |
137 | raise GitException, '%s failed (%s)' % (str(cmd), |
138 | p.childerr.read().strip()) | |
7cc615f3 | 139 | return output |
26dba451 | 140 | |
d3cf7d86 | 141 | def _output_one_line(cmd, file_desc = None): |
741f2784 | 142 | p=popen2.Popen3(cmd, True) |
d3cf7d86 PBG |
143 | if file_desc != None: |
144 | for line in file_desc: | |
145 | p.tochild.write(line) | |
146 | p.tochild.close() | |
7cc615f3 | 147 | output = p.fromchild.readline().strip() |
26dba451 | 148 | if p.wait(): |
2c5d2242 CM |
149 | raise GitException, '%s failed (%s)' % (str(cmd), |
150 | p.childerr.read().strip()) | |
7cc615f3 | 151 | return output |
41a6d859 | 152 | |
26dba451 | 153 | def _output_lines(cmd): |
741f2784 | 154 | p=popen2.Popen3(cmd, True) |
26dba451 BL |
155 | lines = p.fromchild.readlines() |
156 | if p.wait(): | |
2c5d2242 CM |
157 | raise GitException, '%s failed (%s)' % (str(cmd), |
158 | p.childerr.read().strip()) | |
26dba451 BL |
159 | return lines |
160 | ||
161 | def __run(cmd, args=None): | |
162 | """__run: runs cmd using spawnvp. | |
163 | ||
164 | Runs cmd using spawnvp. The shell is avoided so it won't mess up | |
165 | our arguments. If args is very large, the command is run multiple | |
166 | times; args is split xargs style: cmd is passed on each | |
167 | invocation. Unlike xargs, returns immediately if any non-zero | |
168 | return code is received. | |
169 | """ | |
170 | ||
171 | args_l=cmd.split() | |
172 | if args is None: | |
173 | args = [] | |
174 | for i in range(0, len(args)+1, 100): | |
175 | r=os.spawnvp(os.P_WAIT, args_l[0], args_l + args[i:min(i+100, len(args))]) | |
176 | if r: | |
177 | return r | |
178 | return 0 | |
179 | ||
9216b602 | 180 | def __tree_status(files = None, tree_id = 'HEAD', unknown = False, |
be24d874 | 181 | noexclude = True): |
41a6d859 CM |
182 | """Returns a list of pairs - [status, filename] |
183 | """ | |
f8fb5747 | 184 | refresh_index() |
41a6d859 | 185 | |
9216b602 CL |
186 | if not files: |
187 | files = [] | |
41a6d859 CM |
188 | cache_files = [] |
189 | ||
190 | # unknown files | |
191 | if unknown: | |
170f576b | 192 | exclude_file = os.path.join(basedir.get(), 'info', 'exclude') |
be24d874 CM |
193 | base_exclude = ['--exclude=%s' % s for s in |
194 | ['*.[ao]', '*.pyc', '.*', '*~', '#*', 'TAGS', 'tags']] | |
195 | base_exclude.append('--exclude-per-directory=.gitignore') | |
196 | ||
41a6d859 | 197 | if os.path.exists(exclude_file): |
3c6fbd2c | 198 | extra_exclude = ['--exclude-from=%s' % exclude_file] |
be24d874 CM |
199 | else: |
200 | extra_exclude = [] | |
4d4c0e3a PBG |
201 | if noexclude: |
202 | extra_exclude = base_exclude = [] | |
be24d874 | 203 | |
2c02c3b7 PBG |
204 | lines = _output_lines(['git-ls-files', '--others', '--directory'] |
205 | + base_exclude + extra_exclude) | |
26dba451 | 206 | cache_files += [('?', line.strip()) for line in lines] |
41a6d859 CM |
207 | |
208 | # conflicted files | |
209 | conflicts = get_conflicts() | |
210 | if not conflicts: | |
211 | conflicts = [] | |
212 | cache_files += [('C', filename) for filename in conflicts] | |
213 | ||
214 | # the rest | |
a57bd720 | 215 | for line in _output_lines(['git-diff-index', tree_id, '--'] + files): |
26dba451 | 216 | fs = tuple(line.rstrip().split(' ',4)[-1].split('\t',1)) |
41a6d859 CM |
217 | if fs[1] not in conflicts: |
218 | cache_files.append(fs) | |
41a6d859 CM |
219 | |
220 | return cache_files | |
221 | ||
222 | def local_changes(): | |
223 | """Return true if there are local changes in the tree | |
224 | """ | |
225 | return len(__tree_status()) != 0 | |
226 | ||
aa01a285 CM |
227 | # HEAD value cached |
228 | __head = None | |
229 | ||
41a6d859 | 230 | def get_head(): |
3097799d | 231 | """Verifies the HEAD and returns the SHA1 id that represents it |
41a6d859 | 232 | """ |
aa01a285 CM |
233 | global __head |
234 | ||
235 | if not __head: | |
236 | __head = rev_parse('HEAD') | |
237 | return __head | |
41a6d859 CM |
238 | |
239 | def get_head_file(): | |
240 | """Returns the name of the file pointed to by the HEAD link | |
241 | """ | |