diff options
Diffstat (limited to 'bitbake/lib/bb/fetch2/gitsm.py')
-rw-r--r-- | bitbake/lib/bb/fetch2/gitsm.py | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/bitbake/lib/bb/fetch2/gitsm.py b/bitbake/lib/bb/fetch2/gitsm.py new file mode 100644 index 0000000000..1a762153c4 --- /dev/null +++ b/bitbake/lib/bb/fetch2/gitsm.py | |||
@@ -0,0 +1,126 @@ | |||
1 | # ex:ts=4:sw=4:sts=4:et | ||
2 | # -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- | ||
3 | """ | ||
4 | BitBake 'Fetch' git submodules implementation | ||
5 | """ | ||
6 | |||
7 | # Copyright (C) 2013 Richard Purdie | ||
8 | # | ||
9 | # This program is free software; you can redistribute it and/or modify | ||
10 | # it under the terms of the GNU General Public License version 2 as | ||
11 | # published by the Free Software Foundation. | ||
12 | # | ||
13 | # This program is distributed in the hope that it will be useful, | ||
14 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
15 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
16 | # GNU General Public License for more details. | ||
17 | # | ||
18 | # You should have received a copy of the GNU General Public License along | ||
19 | # with this program; if not, write to the Free Software Foundation, Inc., | ||
20 | # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | ||
21 | |||
22 | import os | ||
23 | import bb | ||
24 | from bb import data | ||
25 | from bb.fetch2.git import Git | ||
26 | from bb.fetch2 import runfetchcmd | ||
27 | from bb.fetch2 import logger | ||
28 | |||
29 | class GitSM(Git): | ||
30 | def supports(self, ud, d): | ||
31 | """ | ||
32 | Check to see if a given url can be fetched with git. | ||
33 | """ | ||
34 | return ud.type in ['gitsm'] | ||
35 | |||
36 | def uses_submodules(self, ud, d): | ||
37 | for name in ud.names: | ||
38 | try: | ||
39 | runfetchcmd("%s show %s:.gitmodules" % (ud.basecmd, ud.revisions[name]), d, quiet=True) | ||
40 | return True | ||
41 | except bb.fetch.FetchError: | ||
42 | pass | ||
43 | return False | ||
44 | |||
45 | def _set_relative_paths(self, repopath): | ||
46 | """ | ||
47 | Fix submodule paths to be relative instead of absolute, | ||
48 | so that when we move the repo it doesn't break | ||
49 | (In Git 1.7.10+ this is done automatically) | ||
50 | """ | ||
51 | submodules = [] | ||
52 | with open(os.path.join(repopath, '.gitmodules'), 'r') as f: | ||
53 | for line in f.readlines(): | ||
54 | if line.startswith('[submodule'): | ||
55 | submodules.append(line.split('"')[1]) | ||
56 | |||
57 | for module in submodules: | ||
58 | repo_conf = os.path.join(repopath, module, '.git') | ||
59 | if os.path.exists(repo_conf): | ||
60 | with open(repo_conf, 'r') as f: | ||
61 | lines = f.readlines() | ||
62 | newpath = '' | ||
63 | for i, line in enumerate(lines): | ||
64 | if line.startswith('gitdir:'): | ||
65 | oldpath = line.split(': ')[-1].rstrip() | ||
66 | if oldpath.startswith('/'): | ||
67 | newpath = '../' * (module.count('/') + 1) + '.git/modules/' + module | ||
68 | lines[i] = 'gitdir: %s\n' % newpath | ||
69 | break | ||
70 | if newpath: | ||
71 | with open(repo_conf, 'w') as f: | ||
72 | for line in lines: | ||
73 | f.write(line) | ||
74 | |||
75 | repo_conf2 = os.path.join(repopath, '.git', 'modules', module, 'config') | ||
76 | if os.path.exists(repo_conf2): | ||
77 | with open(repo_conf2, 'r') as f: | ||
78 | lines = f.readlines() | ||
79 | newpath = '' | ||
80 | for i, line in enumerate(lines): | ||
81 | if line.lstrip().startswith('worktree = '): | ||
82 | oldpath = line.split(' = ')[-1].rstrip() | ||
83 | if oldpath.startswith('/'): | ||
84 | newpath = '../' * (module.count('/') + 3) + module | ||
85 | lines[i] = '\tworktree = %s\n' % newpath | ||
86 | break | ||
87 | if newpath: | ||
88 | with open(repo_conf2, 'w') as f: | ||
89 | for line in lines: | ||
90 | f.write(line) | ||
91 | |||
92 | def update_submodules(self, ud, d): | ||
93 | # We have to convert bare -> full repo, do the submodule bit, then convert back | ||
94 | tmpclonedir = ud.clonedir + ".tmp" | ||
95 | gitdir = tmpclonedir + os.sep + ".git" | ||
96 | bb.utils.remove(tmpclonedir, True) | ||
97 | os.mkdir(tmpclonedir) | ||
98 | os.rename(ud.clonedir, gitdir) | ||
99 | runfetchcmd("sed " + gitdir + "/config -i -e 's/bare.*=.*true/bare = false/'", d) | ||
100 | os.chdir(tmpclonedir) | ||
101 | runfetchcmd(ud.basecmd + " reset --hard", d) | ||
102 | runfetchcmd(ud.basecmd + " submodule init", d) | ||
103 | runfetchcmd(ud.basecmd + " submodule update", d) | ||
104 | self._set_relative_paths(tmpclonedir) | ||
105 | runfetchcmd("sed " + gitdir + "/config -i -e 's/bare.*=.*false/bare = true/'", d) | ||
106 | os.rename(gitdir, ud.clonedir,) | ||
107 | bb.utils.remove(tmpclonedir, True) | ||
108 | |||
109 | def download(self, ud, d): | ||
110 | Git.download(self, ud, d) | ||
111 | |||
112 | os.chdir(ud.clonedir) | ||
113 | submodules = self.uses_submodules(ud, d) | ||
114 | if submodules: | ||
115 | self.update_submodules(ud, d) | ||
116 | |||
117 | def unpack(self, ud, destdir, d): | ||
118 | Git.unpack(self, ud, destdir, d) | ||
119 | |||
120 | os.chdir(ud.destdir) | ||
121 | submodules = self.uses_submodules(ud, d) | ||
122 | if submodules: | ||
123 | runfetchcmd("cp -r " + ud.clonedir + "/modules " + ud.destdir + "/.git/", d) | ||
124 | runfetchcmd(ud.basecmd + " submodule init", d) | ||
125 | runfetchcmd(ud.basecmd + " submodule update", d) | ||
126 | |||