xref: /openbmc/u-boot/tools/patman/commit.py (revision b46694df)
1# Copyright (c) 2011 The Chromium OS Authors.
2#
3# See file CREDITS for list of people who contributed to this
4# project.
5#
6# This program is free software; you can redistribute it and/or
7# modify it under the terms of the GNU General Public License as
8# published by the Free Software Foundation; either version 2 of
9# the License, or (at your option) any later version.
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,
19# MA 02111-1307 USA
20#
21
22import re
23
24# Separates a tag: at the beginning of the subject from the rest of it
25re_subject_tag = re.compile('([^:\s]*):\s*(.*)')
26
27class Commit:
28    """Holds information about a single commit/patch in the series.
29
30    Args:
31        hash: Commit hash (as a string)
32
33    Variables:
34        hash: Commit hash
35        subject: Subject line
36        tags: List of maintainer tag strings
37        changes: Dict containing a list of changes (single line strings).
38            The dict is indexed by change version (an integer)
39        cc_list: List of people to aliases/emails to cc on this commit
40    """
41    def __init__(self, hash):
42        self.hash = hash
43        self.subject = None
44        self.tags = []
45        self.changes = {}
46        self.cc_list = []
47
48    def AddChange(self, version, info):
49        """Add a new change line to the change list for a version.
50
51        Args:
52            version: Patch set version (integer: 1, 2, 3)
53            info: Description of change in this version
54        """
55        if not self.changes.get(version):
56            self.changes[version] = []
57        self.changes[version].append(info)
58
59    def CheckTags(self):
60        """Create a list of subject tags in the commit
61
62        Subject tags look like this:
63
64            propounder: fort: Change the widget to propound correctly
65
66        Here the tags are propounder and fort. Multiple tags are supported.
67        The list is updated in self.tag.
68
69        Returns:
70            None if ok, else the name of a tag with no email alias
71        """
72        str = self.subject
73        m = True
74        while m:
75            m = re_subject_tag.match(str)
76            if m:
77                tag = m.group(1)
78                self.tags.append(tag)
79                str = m.group(2)
80        return None
81
82    def AddCc(self, cc_list):
83        """Add a list of people to Cc when we send this patch.
84
85        Args:
86            cc_list:    List of aliases or email addresses
87        """
88        self.cc_list += cc_list
89