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#!/usr/bin/env python3
# SPDX-License-Identifier: LGPL-2.1-or-later
"""
Fetch commits for pkg/{distribution} and, if changed, commit the latest hash.
"""
import argparse
import json
import shlex
import subprocess
from pathlib import Path
def parse_args():
p = argparse.ArgumentParser(
description=__doc__,
)
p.add_argument(
'distribution',
nargs='+',
)
p.add_argument(
'--no-fetch',
dest='fetch',
action='store_false',
default=True,
)
return p.parse_args()
def read_config(distro: str):
cmd = ['mkosi', '--json', '-d', distro, 'summary']
print(f"+ {shlex.join(cmd)}")
text = subprocess.check_output(cmd, text=True)
data = json.loads(text)
return data['Images'][-1]
def commit_file(distro: str, file: Path, commit: str, changes: str):
message = '\n'.join((
f'mkosi: update {distro} commit reference',
'',
changes))
cmd = ['git', 'commit', '-m', message, str(file)]
print(f"+ {shlex.join(cmd)}")
subprocess.check_call(cmd)
def update_distro(args, distro: str):
cmd = ['git', '-C', f'pkg/{distro}', 'fetch']
print(f"+ {shlex.join(cmd)}")
subprocess.check_call(cmd)
config = read_config(distro)
branch = config['Environment']['GIT_BRANCH']
old_commit = config['Environment']['GIT_COMMIT']
cmd = ['git', '-C', f'pkg/{distro}', 'rev-parse', f'refs/remotes/origin/{branch}']
print(f"+ {shlex.join(cmd)}")
new_commit = subprocess.check_output(cmd, text=True).strip()
if old_commit == new_commit:
print(f'{distro}: commit {new_commit!s} is still fresh')
return
cmd = ['git', '-C', f'pkg/{distro}', 'log', '--graph',
'--pretty=oneline', '--no-decorate', '--abbrev-commit', '--abbrev=10',
f'{old_commit}..{new_commit}']
print(f"+ {shlex.join(cmd)}")
changes = subprocess.check_output(cmd, text=True).strip()
conf_dir = Path('mkosi.images/system/mkosi.conf.d')
files = conf_dir.glob('*/*.conf')
for file in files:
s = file.read_text()
if old_commit in s:
print(f'{distro}: {file}: found old hash, updating…')
new = s.replace(old_commit, new_commit)
assert new != s
file.write_text(new)
commit_file(distro, file, new_commit, changes)
break
else:
raise ValueError(f'{distro}: hash {new_commit} not found under {conf_dir}')
if __name__ == '__main__':
args = parse_args()
for distro in args.distribution:
update_distro(args, distro)
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