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
|
#!/usr/bin/env python3
# Copyright (C) 2020 Free Software Foundation, Inc.
#
# This file is part of GCC.
#
# GCC is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
#
# GCC is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GCC; see the file COPYING. If not, write to
# the Free Software Foundation, 51 Franklin Street, Fifth Floor,
# Boston, MA 02110-1301, USA.
import argparse
import os
import subprocess
import tempfile
script_folder = os.path.dirname(os.path.abspath(__file__))
verify_script = os.path.join(script_folder,
'gcc-changelog/git_check_commit.py')
def replace_file_in_changelog(lines, filename):
if not filename.endswith('.cc'):
return
# consider all componenets of a path: gcc/ipa-icf.cc
while filename:
for i, line in enumerate(lines):
if filename in line:
line = line.replace(filename, filename[:-1])
lines[i] = line
return
parts = filename.split('/')
if len(parts) == 1:
return
filename = '/'.join(parts[1:])
if __name__ == '__main__':
parser = argparse.ArgumentParser(description='Backport a git revision and '
'stash all ChangeLog files.')
parser.add_argument('revision', help='Revision')
args = parser.parse_args()
subprocess.run('git cherry-pick -x %s' % args.revision, shell=True)
# Update commit message if change for a .cc file was taken
r = subprocess.run(f'{verify_script} HEAD', shell=True, encoding='utf8',
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
if r.returncode != 0:
lines = r.stdout.splitlines()
cmd = 'git show -s --format=%B'
commit_message = subprocess.check_output(cmd, shell=True,
encoding='utf8').strip()
commit_message = commit_message.splitlines()
todo = [line for line in lines if 'unchanged file mentioned' in line]
for item in todo:
filename = item.split()[-1].strip('"')
replace_file_in_changelog(commit_message, filename)
with tempfile.NamedTemporaryFile('w', encoding='utf8',
delete=False) as w:
w.write('\n'.join(commit_message))
w.close()
subprocess.check_output(f'git commit --amend -F {w.name}',
shell=True, encoding='utf8')
os.unlink(w.name)
print(f'Commit message updated: {len(todo)} .cc file(s) changed.')
|
