# 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.')
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.')