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Diffstat (limited to 'meta/lib/patchtest/repo.py')
-rw-r--r-- | meta/lib/patchtest/repo.py | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/meta/lib/patchtest/repo.py b/meta/lib/patchtest/repo.py new file mode 100644 index 0000000000..d3788f466d --- /dev/null +++ b/meta/lib/patchtest/repo.py | |||
@@ -0,0 +1,174 @@ | |||
1 | # ex:ts=4:sw=4:sts=4:et | ||
2 | # -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- | ||
3 | # | ||
4 | # patchtestrepo: PatchTestRepo class used mainly to control a git repo from patchtest | ||
5 | # | ||
6 | # Copyright (C) 2016 Intel Corporation | ||
7 | # | ||
8 | # SPDX-License-Identifier: GPL-2.0-only | ||
9 | # | ||
10 | |||
11 | import os | ||
12 | import utils | ||
13 | import logging | ||
14 | from patch import PatchTestPatch | ||
15 | |||
16 | logger = logging.getLogger('patchtest') | ||
17 | info=logger.info | ||
18 | |||
19 | class PatchTestRepo(object): | ||
20 | |||
21 | # prefixes used for temporal branches/stashes | ||
22 | prefix = 'patchtest' | ||
23 | |||
24 | def __init__(self, patch, repodir, commit=None, branch=None): | ||
25 | self._repodir = repodir | ||
26 | self._patch = PatchTestPatch(patch) | ||
27 | self._current_branch = self._get_current_branch() | ||
28 | |||
29 | # targeted branch defined on the patch may be invalid, so make sure there | ||
30 | # is a corresponding remote branch | ||
31 | valid_patch_branch = None | ||
32 | if self._patch.branch in self.upstream_branches(): | ||
33 | valid_patch_branch = self._patch.branch | ||
34 | |||
35 | # Target Branch | ||
36 | # Priority (top has highest priority): | ||
37 | # 1. branch given at cmd line | ||
38 | # 2. branch given at the patch | ||
39 | # 3. current branch | ||
40 | self._branch = branch or valid_patch_branch or self._current_branch | ||
41 | |||
42 | # Target Commit | ||
43 | # Priority (top has highest priority): | ||
44 | # 1. commit given at cmd line | ||
45 | # 2. branch given at cmd line | ||
46 | # 3. branch given at the patch | ||
47 | # 3. current HEAD | ||
48 | self._commit = self._get_commitid(commit) or \ | ||
49 | self._get_commitid(branch) or \ | ||
50 | self._get_commitid(valid_patch_branch) or \ | ||
51 | self._get_commitid('HEAD') | ||
52 | |||
53 | self._workingbranch = "%s_%s" % (PatchTestRepo.prefix, os.getpid()) | ||
54 | |||
55 | # create working branch | ||
56 | self._exec({'cmd': ['git', 'checkout', '-b', self._workingbranch, self._commit]}) | ||
57 | |||
58 | self._patchmerged = False | ||
59 | |||
60 | # Check if patch can be merged using git-am | ||
61 | self._patchcanbemerged = True | ||
62 | try: | ||
63 | self._exec({'cmd': ['git', 'am', '--keep-cr'], 'input': self._patch.contents}) | ||
64 | except utils.CmdException as ce: | ||
65 | self._exec({'cmd': ['git', 'am', '--abort']}) | ||
66 | self._patchcanbemerged = False | ||
67 | finally: | ||
68 | # if patch was applied, remove it | ||
69 | if self._patchcanbemerged: | ||
70 | self._exec({'cmd':['git', 'reset', '--hard', self._commit]}) | ||
71 | |||
72 | # for debugging purposes, print all repo parameters | ||
73 | logger.debug("Parameters") | ||
74 | logger.debug("\tRepository : %s" % self._repodir) | ||
75 | logger.debug("\tTarget Commit : %s" % self._commit) | ||
76 | logger.debug("\tTarget Branch : %s" % self._branch) | ||
77 | logger.debug("\tWorking branch : %s" % self._workingbranch) | ||
78 | logger.debug("\tPatch : %s" % self._patch) | ||
79 | |||
80 | @property | ||
81 | def patch(self): | ||
82 | return self._patch.path | ||
83 | |||
84 | @property | ||
85 | def branch(self): | ||
86 | return self._branch | ||
87 | |||
88 | @property | ||
89 | def commit(self): | ||
90 | return self._commit | ||
91 | |||
92 | @property | ||
93 | def ismerged(self): | ||
94 | return self._patchmerged | ||
95 | |||
96 | @property | ||
97 | def canbemerged(self): | ||
98 | return self._patchcanbemerged | ||
99 | |||
100 | def _exec(self, cmds): | ||
101 | _cmds = [] | ||
102 | if isinstance(cmds, dict): | ||
103 | _cmds.append(cmds) | ||
104 | elif isinstance(cmds, list): | ||
105 | _cmds = cmds | ||
106 | else: | ||
107 | raise utils.CmdException({'cmd':str(cmds)}) | ||
108 | |||
109 | results = [] | ||
110 | cmdfailure = False | ||
111 | try: | ||
112 | results = utils.exec_cmds(_cmds, self._repodir) | ||
113 | except utils.CmdException as ce: | ||
114 | cmdfailure = True | ||
115 | raise ce | ||
116 | finally: | ||
117 | if cmdfailure: | ||
118 | for cmd in _cmds: | ||
119 | logger.debug("CMD: %s" % ' '.join(cmd['cmd'])) | ||
120 | else: | ||
121 | for result in results: | ||
122 | cmd, rc, stdout, stderr = ' '.join(result['cmd']), result['returncode'], result['stdout'], result['stderr'] | ||
123 | logger.debug("CMD: %s RCODE: %s STDOUT: %s STDERR: %s" % (cmd, rc, stdout, stderr)) | ||
124 | |||
125 | return results | ||
126 | |||
127 | def _get_current_branch(self, commit='HEAD'): | ||
128 | cmd = {'cmd':['git', 'rev-parse', '--abbrev-ref', commit]} | ||
129 | cb = self._exec(cmd)[0]['stdout'] | ||
130 | if cb == commit: | ||
131 | logger.warning('You may be detached so patchtest will checkout to master after execution') | ||
132 | cb = 'master' | ||
133 | return cb | ||
134 | |||
135 | def _get_commitid(self, commit): | ||
136 | |||
137 | if not commit: | ||
138 | return None | ||
139 | |||
140 | try: | ||
141 | cmd = {'cmd':['git', 'rev-parse', '--short', commit]} | ||
142 | return self._exec(cmd)[0]['stdout'] | ||
143 | except utils.CmdException as ce: | ||
144 | # try getting the commit under any remotes | ||
145 | cmd = {'cmd':['git', 'remote']} | ||
146 | remotes = self._exec(cmd)[0]['stdout'] | ||
147 | for remote in remotes.splitlines(): | ||
148 | cmd = {'cmd':['git', 'rev-parse', '--short', '%s/%s' % (remote, commit)]} | ||
149 | try: | ||
150 | return self._exec(cmd)[0]['stdout'] | ||
151 | except utils.CmdException: | ||
152 | pass | ||
153 | |||
154 | return None | ||
155 | |||
156 | def upstream_branches(self): | ||
157 | cmd = {'cmd':['git', 'branch', '--remotes']} | ||
158 | remote_branches = self._exec(cmd)[0]['stdout'] | ||
159 | |||
160 | # just get the names, without the remote name | ||
161 | branches = set(branch.split('/')[-1] for branch in remote_branches.splitlines()) | ||
162 | return branches | ||
163 | |||
164 | def merge(self): | ||
165 | if self._patchcanbemerged: | ||
166 | self._exec({'cmd': ['git', 'am', '--keep-cr'], | ||
167 | 'input': self._patch.contents, | ||
168 | 'updateenv': {'PTRESOURCE':self._patch.path}}) | ||
169 | self._patchmerged = True | ||
170 | |||
171 | def clean(self): | ||
172 | self._exec({'cmd':['git', 'checkout', '%s' % self._current_branch]}) | ||
173 | self._exec({'cmd':['git', 'branch', '-D', self._workingbranch]}) | ||
174 | self._patchmerged = False | ||