tools/patman/commit.py

   1 # Copyright (c) 2011 The Chromium OS Authors.
   2 #
   3 # SPDX-License-Identifier:      GPL-2.0+
   4 #
   5
   6 import re
   7
   8 # Separates a tag: at the beginning of the subject from the rest of it
   9 re_subject_tag = re.compile('([^:\s]*):\s*(.*)')
  10
  11 class Commit:
  12     """Holds information about a single commit/patch in the series.
  13
  14     Args:
  15         hash: Commit hash (as a string)
  16
  17     Variables:
  18         hash: Commit hash
  19         subject: Subject line
  20         tags: List of maintainer tag strings
  21         changes: Dict containing a list of changes (single line strings).
  22             The dict is indexed by change version (an integer)
  23         cc_list: List of people to aliases/emails to cc on this commit
  24         notes: List of lines in the commit (not series) notes
  25     """
  26     def __init__(self, hash):
  27         self.hash = hash
  28         self.subject = None
  29         self.tags = []
  30         self.changes = {}
  31         self.cc_list = []
  32         self.signoff_set = set()
  33         self.notes = []
  34
  35     def AddChange(self, version, info):
  36         """Add a new change line to the change list for a version.
  37
  38         Args:
  39             version: Patch set version (integer: 1, 2, 3)
  40             info: Description of change in this version
  41         """
  42         if not self.changes.get(version):
  43             self.changes[version] = []
  44         self.changes[version].append(info)
  45
  46     def CheckTags(self):
  47         """Create a list of subject tags in the commit
  48
  49         Subject tags look like this:
  50
  51             propounder: fort: Change the widget to propound correctly
  52
  53         Here the tags are propounder and fort. Multiple tags are supported.
  54         The list is updated in self.tag.
  55
  56         Returns:
  57             None if ok, else the name of a tag with no email alias
  58         """
  59         str = self.subject
  60         m = True
  61         while m:
  62             m = re_subject_tag.match(str)
  63             if m:
  64                 tag = m.group(1)
  65                 self.tags.append(tag)
  66                 str = m.group(2)
  67         return None
  68
  69     def AddCc(self, cc_list):
  70         """Add a list of people to Cc when we send this patch.
  71
  72         Args:
  73             cc_list:    List of aliases or email addresses
  74         """
  75         self.cc_list += cc_list
  76
  77     def CheckDuplicateSignoff(self, signoff):
  78         """Check a list of signoffs we have send for this patch
  79
  80         Args:
  81             signoff:    Signoff line
  82         Returns:
  83             True if this signoff is new, False if we have already seen it.
  84         """
  85         if signoff in self.signoff_set:
  86           return False
  87         self.signoff_set.add(signoff)
  88         return True