summaryrefslogtreecommitdiff
path: root/tools/patman/patman.py
blob: 5ab74fa2510ab559287938dbda7b5757d135b043 (plain)
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
149
150
151
152
153
154
155
156
157
158
#!/usr/bin/env python
#
# Copyright (c) 2011 The Chromium OS Authors.
#
# SPDX-License-Identifier:	GPL-2.0+
#

"""See README for more information"""

from optparse import OptionParser
import os
import re
import sys
import unittest

# Our modules
import checkpatch
import command
import gitutil
import patchstream
import project
import settings
import terminal
import test


parser = OptionParser()
parser.add_option('-H', '--full-help', action='store_true', dest='full_help',
       default=False, help='Display the README file')
parser.add_option('-c', '--count', dest='count', type='int',
       default=-1, help='Automatically create patches from top n commits')
parser.add_option('-i', '--ignore-errors', action='store_true',
       dest='ignore_errors', default=False,
       help='Send patches email even if patch errors are found')
parser.add_option('-n', '--dry-run', action='store_true', dest='dry_run',
       default=False, help="Do a dry run (create but don't email patches)")
parser.add_option('-p', '--project', default=project.DetectProject(),
                  help="Project name; affects default option values and "
                  "aliases [default: %default]")
parser.add_option('-r', '--in-reply-to', type='string', action='store',
                  help="Message ID that this series is in reply to")
parser.add_option('-s', '--start', dest='start', type='int',
       default=0, help='Commit to start creating patches from (0 = HEAD)')
parser.add_option('-t', '--ignore-bad-tags', action='store_true',
                  default=False, help='Ignore bad tags / aliases')
parser.add_option('--test', action='store_true', dest='test',
                  default=False, help='run tests')
parser.add_option('-v', '--verbose', action='store_true', dest='verbose',
       default=False, help='Verbose output of errors and warnings')
parser.add_option('--cc-cmd', dest='cc_cmd', type='string', action='store',
       default=None, help='Output cc list for patch file (used by git)')
parser.add_option('--no-check', action='store_false', dest='check_patch',
                  default=True,
                  help="Don't check for patch compliance")
parser.add_option('--no-tags', action='store_false', dest='process_tags',
                  default=True, help="Don't process subject tags as aliaes")

parser.usage += """

Create patches from commits in a branch, check them and email them as
specified by tags you place in the commits. Use -n to do a dry run first."""


# Parse options twice: first to get the project and second to handle
# defaults properly (which depends on project).
(options, args) = parser.parse_args()
settings.Setup(parser, options.project, '')
(options, args) = parser.parse_args()

# Run our meagre tests
if options.test:
    import doctest

    sys.argv = [sys.argv[0]]
    suite = unittest.TestLoader().loadTestsFromTestCase(test.TestPatch)
    result = unittest.TestResult()
    suite.run(result)

    for module in ['gitutil', 'settings']:
        suite = doctest.DocTestSuite(module)
        suite.run(result)

    # TODO: Surely we can just 'print' result?
    print result
    for test, err in result.errors:
        print err
    for test, err in result.failures:
        print err

# Called from git with a patch filename as argument
# Printout a list of additional CC recipients for this patch
elif options.cc_cmd:
    fd = open(options.cc_cmd, 'r')
    re_line = re.compile('(\S*) (.*)')
    for line in fd.readlines():
        match = re_line.match(line)
        if match and match.group(1) == args[0]:
            for cc in match.group(2).split(', '):
                cc = cc.strip()
                if cc:
                    print cc
    fd.close()

elif options.full_help:
    pager = os.getenv('PAGER')
    if not pager:
        pager = 'more'
    fname = os.path.join(os.path.dirname(sys.argv[0]), 'README')
    command.Run(pager, fname)

# Process commits, produce patches files, check them, email them
else:
    gitutil.Setup()

    if options.count == -1:
        # Work out how many patches to send if we can
        options.count = gitutil.CountCommitsToBranch() - options.start

    col = terminal.Color()
    if not options.count:
        str = 'No commits found to process - please use -c flag'
        sys.exit(col.Color(col.RED, str))

    # Read the metadata from the commits
    if options.count:
        series = patchstream.GetMetaData(options.start, options.count)
        cover_fname, args = gitutil.CreatePatches(options.start, options.count,
                series)

    # Fix up the patch files to our liking, and insert the cover letter
    series = patchstream.FixPatches(series, args)
    if series and cover_fname and series.get('cover'):
        patchstream.InsertCoverLetter(cover_fname, series, options.count)

    # Do a few checks on the series
    series.DoChecks()

    # Check the patches, and run them through 'git am' just to be sure
    if options.check_patch:
        ok = checkpatch.CheckPatches(options.verbose, args)
    else:
        ok = True

    cc_file = series.MakeCcFile(options.process_tags, cover_fname,
                                not options.ignore_bad_tags)

    # Email the patches out (giving the user time to check / cancel)
    cmd = ''
    if ok or options.ignore_errors:
        cmd = gitutil.EmailPatches(series, cover_fname, args,
                options.dry_run, not options.ignore_bad_tags, cc_file,
                in_reply_to=options.in_reply_to)

    # For a dry run, just show our actions as a sanity check
    if options.dry_run:
        series.ShowActions(args, cmd, options.process_tags)

    os.remove(cc_file)