xref: /openbmc/u-boot/tools/patman/patman.py (revision 83bf0057)
1#!/usr/bin/env python
2#
3# Copyright (c) 2011 The Chromium OS Authors.
4#
5# SPDX-License-Identifier:	GPL-2.0+
6#
7
8"""See README for more information"""
9
10from optparse import OptionParser
11import os
12import re
13import sys
14import unittest
15
16# Our modules
17try:
18    from patman import checkpatch, command, gitutil, patchstream, \
19        project, settings, terminal, test
20except ImportError:
21    import checkpatch
22    import command
23    import gitutil
24    import patchstream
25    import project
26    import settings
27    import terminal
28    import test
29
30
31parser = OptionParser()
32parser.add_option('-H', '--full-help', action='store_true', dest='full_help',
33       default=False, help='Display the README file')
34parser.add_option('-c', '--count', dest='count', type='int',
35       default=-1, help='Automatically create patches from top n commits')
36parser.add_option('-i', '--ignore-errors', action='store_true',
37       dest='ignore_errors', default=False,
38       help='Send patches email even if patch errors are found')
39parser.add_option('-m', '--no-maintainers', action='store_false',
40       dest='add_maintainers', default=True,
41       help="Don't cc the file maintainers automatically")
42parser.add_option('-n', '--dry-run', action='store_true', dest='dry_run',
43       default=False, help="Do a dry run (create but don't email patches)")
44parser.add_option('-p', '--project', default=project.DetectProject(),
45                  help="Project name; affects default option values and "
46                  "aliases [default: %default]")
47parser.add_option('-r', '--in-reply-to', type='string', action='store',
48                  help="Message ID that this series is in reply to")
49parser.add_option('-s', '--start', dest='start', type='int',
50       default=0, help='Commit to start creating patches from (0 = HEAD)')
51parser.add_option('-t', '--ignore-bad-tags', action='store_true',
52                  default=False, help='Ignore bad tags / aliases')
53parser.add_option('--test', action='store_true', dest='test',
54                  default=False, help='run tests')
55parser.add_option('-v', '--verbose', action='store_true', dest='verbose',
56       default=False, help='Verbose output of errors and warnings')
57parser.add_option('--cc-cmd', dest='cc_cmd', type='string', action='store',
58       default=None, help='Output cc list for patch file (used by git)')
59parser.add_option('--no-check', action='store_false', dest='check_patch',
60                  default=True,
61                  help="Don't check for patch compliance")
62parser.add_option('--no-tags', action='store_false', dest='process_tags',
63                  default=True, help="Don't process subject tags as aliaes")
64
65parser.usage += """
66
67Create patches from commits in a branch, check them and email them as
68specified by tags you place in the commits. Use -n to do a dry run first."""
69
70
71# Parse options twice: first to get the project and second to handle
72# defaults properly (which depends on project).
73(options, args) = parser.parse_args()
74settings.Setup(parser, options.project, '')
75(options, args) = parser.parse_args()
76
77if __name__ != "__main__":
78    pass
79
80# Run our meagre tests
81elif options.test:
82    import doctest
83
84    sys.argv = [sys.argv[0]]
85    suite = unittest.TestLoader().loadTestsFromTestCase(test.TestPatch)
86    result = unittest.TestResult()
87    suite.run(result)
88
89    for module in ['gitutil', 'settings']:
90        suite = doctest.DocTestSuite(module)
91        suite.run(result)
92
93    # TODO: Surely we can just 'print' result?
94    print result
95    for test, err in result.errors:
96        print err
97    for test, err in result.failures:
98        print err
99
100# Called from git with a patch filename as argument
101# Printout a list of additional CC recipients for this patch
102elif options.cc_cmd:
103    fd = open(options.cc_cmd, 'r')
104    re_line = re.compile('(\S*) (.*)')
105    for line in fd.readlines():
106        match = re_line.match(line)
107        if match and match.group(1) == args[0]:
108            for cc in match.group(2).split(', '):
109                cc = cc.strip()
110                if cc:
111                    print cc
112    fd.close()
113
114elif options.full_help:
115    pager = os.getenv('PAGER')
116    if not pager:
117        pager = 'more'
118    fname = os.path.join(os.path.dirname(sys.argv[0]), 'README')
119    command.Run(pager, fname)
120
121# Process commits, produce patches files, check them, email them
122else:
123    gitutil.Setup()
124
125    if options.count == -1:
126        # Work out how many patches to send if we can
127        options.count = gitutil.CountCommitsToBranch() - options.start
128
129    col = terminal.Color()
130    if not options.count:
131        str = 'No commits found to process - please use -c flag'
132        sys.exit(col.Color(col.RED, str))
133
134    # Read the metadata from the commits
135    if options.count:
136        series = patchstream.GetMetaData(options.start, options.count)
137        cover_fname, args = gitutil.CreatePatches(options.start, options.count,
138                series)
139
140    # Fix up the patch files to our liking, and insert the cover letter
141    series = patchstream.FixPatches(series, args)
142    if series and cover_fname and series.get('cover'):
143        patchstream.InsertCoverLetter(cover_fname, series, options.count)
144
145    # Do a few checks on the series
146    series.DoChecks()
147
148    # Check the patches, and run them through 'git am' just to be sure
149    if options.check_patch:
150        ok = checkpatch.CheckPatches(options.verbose, args)
151    else:
152        ok = True
153
154    cc_file = series.MakeCcFile(options.process_tags, cover_fname,
155                                not options.ignore_bad_tags,
156                                options.add_maintainers)
157
158    # Email the patches out (giving the user time to check / cancel)
159    cmd = ''
160    its_a_go = ok or options.ignore_errors
161    if its_a_go:
162        cmd = gitutil.EmailPatches(series, cover_fname, args,
163                options.dry_run, not options.ignore_bad_tags, cc_file,
164                in_reply_to=options.in_reply_to)
165    else:
166        print col.Color(col.RED, "Not sending emails due to errors/warnings")
167
168    # For a dry run, just show our actions as a sanity check
169    if options.dry_run:
170        series.ShowActions(args, cmd, options.process_tags)
171        if not its_a_go:
172            print col.Color(col.RED, "Email would not be sent")
173
174    os.remove(cc_file)
175