1  #!/usr/bin/env python3
       2  
       3  # Copyright (C) 2020-2023 Free Software Foundation, Inc.
       4  #
       5  # This file is part of GCC.
       6  #
       7  # GCC is free software; you can redistribute it and/or modify it under
       8  # the terms of the GNU General Public License as published by the Free
       9  # Software Foundation; either version 3, or (at your option) any later
      10  # version.
      11  #
      12  # GCC is distributed in the hope that it will be useful, but WITHOUT ANY
      13  # WARRANTY; without even the implied warranty of MERCHANTABILITY or
      14  # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
      15  # for more details.
      16  #
      17  # You should have received a copy of the GNU General Public License
      18  # along with GCC; see the file COPYING3.  If not see
      19  # <http://www.gnu.org/licenses/>.  */
      20  
      21  from datetime import datetime
      22  
      23  try:
      24      from git import Repo
      25  except ImportError:
      26      print('Cannot import GitPython package, please install the package:')
      27      print('  Fedora, openSUSE: python3-GitPython')
      28      print('  Debian, Ubuntu: python3-git')
      29      exit(1)
      30  
      31  from git_commit import GitCommit, GitInfo, decode_path
      32  
      33  
      34  def parse_git_revisions(repo_path, revisions, ref_name=None):
      35      repo = Repo(repo_path)
      36  
      37      def commit_to_info(commit):
      38          try:
      39              c = repo.commit(commit)
      40              diff = repo.commit(commit + '~').diff(commit)
      41  
      42              modified_files = []
      43              for file in diff:
      44                  if hasattr(file, 'renamed_file'):
      45                      is_renamed = file.renamed_file
      46                  else:
      47                      is_renamed = file.renamed
      48                  if file.new_file:
      49                      t = 'A'
      50                  elif file.deleted_file:
      51                      t = 'D'
      52                  elif is_renamed:
      53                      # Consider that renamed files are two operations:
      54                      # the deletion of the original name
      55                      # and the addition of the new one.
      56                      modified_files.append((decode_path(file.a_path), 'D'))
      57                      t = 'A'
      58                  else:
      59                      t = 'M'
      60                  modified_files.append((decode_path(file.b_path), t))
      61  
      62              date = datetime.utcfromtimestamp(c.committed_date)
      63              author = '%s  <%s>' % (c.author.name, c.author.email)
      64              git_info = GitInfo(c.hexsha, date, author,
      65                                 c.message.split('\n'), modified_files)
      66              return git_info
      67          except ValueError:
      68              return None
      69  
      70      parsed_commits = []
      71      if '..' in revisions:
      72          commits = list(repo.iter_commits(revisions))
      73      else:
      74          commits = [repo.commit(revisions)]
      75  
      76      for commit in commits:
      77          git_commit = GitCommit(commit_to_info(commit.hexsha),
      78                                 commit_to_info_hook=commit_to_info,
      79                                 ref_name=ref_name)
      80          parsed_commits.append(git_commit)
      81      return parsed_commits