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# SPDX-License-Identifier: GPL-2.0+
# Copyright (c) 2011 The Chromium OS Authors.
#
import collections
import re
# Separates a tag: at the beginning of the subject from the rest of it
re_subject_tag = re.compile('([^:\s]*):\s*(.*)')
class Commit:
"""Holds information about a single commit/patch in the series.
Args:
hash: Commit hash (as a string)
Variables:
hash: Commit hash
subject: Subject line
tags: List of maintainer tag strings
changes: Dict containing a list of changes (single line strings).
The dict is indexed by change version (an integer)
cc_list: List of people to aliases/emails to cc on this commit
notes: List of lines in the commit (not series) notes
change_id: the Change-Id: tag that was stripped from this commit
and can be used to generate the Message-Id.
rtags: Response tags (e.g. Reviewed-by) collected by the commit, dict:
key: rtag type (e.g. 'Reviewed-by')
value: Set of people who gave that rtag, each a name/email string
warn: List of warnings for this commit, each a str
"""
def __init__(self, hash):
self.hash = hash
self.subject = None
self.tags = []
self.changes = {}
self.cc_list = []
self.signoff_set = set()
self.notes = []
self.change_id = None
self.rtags = collections.defaultdict(set)
self.warn = []
def __str__(self):
return self.subject
def AddChange(self, version, info):
"""Add a new change line to the change list for a version.
Args:
version: Patch set version (integer: 1, 2, 3)
info: Description of change in this version
"""
if not self.changes.get(version):
self.changes[version] = []
self.changes[version].append(info)
def CheckTags(self):
"""Create a list of subject tags in the commit
Subject tags look like this:
propounder: fort: Change the widget to propound correctly
Here the tags are propounder and fort. Multiple tags are supported.
The list is updated in self.tag.
Returns:
None if ok, else the name of a tag with no email alias
"""
str = self.subject
m = True
while m:
m = re_subject_tag.match(str)
if m:
tag = m.group(1)
self.tags.append(tag)
str = m.group(2)
return None
def AddCc(self, cc_list):
"""Add a list of people to Cc when we send this patch.
Args:
cc_list: List of aliases or email addresses
"""
self.cc_list += cc_list
def CheckDuplicateSignoff(self, signoff):
"""Check a list of signoffs we have send for this patch
Args:
signoff: Signoff line
Returns:
True if this signoff is new, False if we have already seen it.
"""
if signoff in self.signoff_set:
return False
self.signoff_set.add(signoff)
return True
def AddRtag(self, rtag_type, who):
"""Add a response tag to a commit
Args:
key: rtag type (e.g. 'Reviewed-by')
who: Person who gave that rtag, e.g. 'Fred Bloggs <fred@bloggs.org>'
"""
self.rtags[rtag_type].add(who)
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