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#!/usr/bin/env python3
# SPDX-License-Identifier: LGPL-2.1-or-later
"""
Check out pkg/{distribution}.
With -u, fetch commits, 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,
)
p.add_argument(
'--update', '-u',
action='store_true',
default=False,
)
p.add_argument('--profile')
return p.parse_args()
def read_config(distro: str):
cmd = ['mkosi', '--json', '-d', distro, 'summary']
if args.profile:
cmd += ['--profile', args.profile]
print(f"+ {shlex.join(cmd)}")
text = subprocess.check_output(cmd, text=True)
data = json.loads(text)
images = {image["Image"]: image for image in data["Images"]}
return images["build"]
def commit_file(distro: str, files: list[Path], commit: str, changes: str):
message = '\n'.join((
f'mkosi: update {distro} commit reference to {commit}',
'',
changes))
cmd = ['git', 'commit', '-m', message, *(str(file) for file in files)]
print(f"+ {shlex.join(cmd)}")
subprocess.check_call(cmd)
def checkout_distro(args, distro: str, config: dict):
url = config['Environment']['GIT_URL']
branch = config['Environment']['GIT_BRANCH']
subdir = config['Environment'].get('GIT_SUBDIR')
pkg_subdir = config['Environment']['PKG_SUBDIR']
dest = Path(f'pkg/{pkg_subdir}')
if dest.exists():
print(f'{dest} already exists.')
return
# Do not checkout the full sources if the package is in a subdirectory,
# a sparse checkout will be done after
sparse = ['--no-checkout', '--filter=blob:none'] if subdir is not None else []
# Only debian uses source-git for now…
reference = ['--reference-if-able=.'] if distro == 'debian' else []
cmd = [
'git', 'clone', url,
f'--branch={branch}',
*sparse,
dest.as_posix(),
*reference,
]
print(f"+ {shlex.join(cmd)}")
subprocess.check_call(cmd)
# Sparse checkout if the package is in a subdirectory
if subdir is not None:
cmd = ['git', '-C', f'pkg/{pkg_subdir}', 'sparse-checkout', 'set',
'--no-cone', f'{subdir}']
print(f"+ {shlex.join(cmd)}")
subprocess.check_call(cmd)
cmd = ['git', '-C', f'pkg/{pkg_subdir}', 'checkout', 'HEAD']
print(f"+ {shlex.join(cmd)}")
subprocess.check_call(cmd)
args.fetch = False # no need to fetch if we just cloned
def update_distro(args, distro: str, config: dict):
branch = config['Environment']['GIT_BRANCH']
subdir = config['Environment'].get('GIT_SUBDIR')
old_commit = config['Environment']['GIT_COMMIT']
pkg_subdir = config['Environment']['PKG_SUBDIR']
if args.fetch:
cmd = ['git', '-C', f'pkg/{pkg_subdir}', 'fetch', 'origin', '-v',
f'{branch}:remotes/origin/{branch}']
print(f"+ {shlex.join(cmd)}")
subprocess.check_call(cmd)
cmd = ['git', '-C', f'pkg/{pkg_subdir}', 'switch', branch]
print(f"+ {shlex.join(cmd)}")
subprocess.check_call(cmd)
cmd = ['git', '-C', f'pkg/{pkg_subdir}', 'log', '-n1', '--format=%H',
f'refs/remotes/origin/{branch}']
if subdir is not None:
cmd += [f'{subdir}']
print(f"+ {shlex.join(cmd)}")
new_commit = subprocess.check_output(cmd, text=True).strip()
if old_commit == new_commit:
print(f'{pkg_subdir}: commit {new_commit!s} is still fresh')
return
cmd = ['git', '-C', f'pkg/{pkg_subdir}', 'log', '--graph', '--first-parent',
'--pretty=oneline', '--no-decorate', '--abbrev-commit', '--abbrev=10',
f'{old_commit}..{new_commit}']
if subdir is not None:
cmd += [f'{subdir}']
print(f"+ {shlex.join(cmd)}")
changes = subprocess.check_output(cmd, text=True).strip()
conf_dir = Path('mkosi/mkosi.pkgenv/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)
tocommit = [file]
if distro == "fedora":
packit = Path(".packit.yml")
s = packit.read_text()
assert old_commit in s
new = s.replace(old_commit, new_commit)
packit.write_text(new)
tocommit += [packit]
commit_file(distro, tocommit, 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:
config = read_config(distro)
checkout_distro(args, distro, config)
if args.update:
update_distro(args, distro, config)
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