lix/releng/release_notes.py

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from pathlib import Path
import subprocess
import datetime
from .version import MAJOR, VERSION, RELEASE_NAME
MANUAL = Path('doc/manual')
RELEASE_NOTES_BASE = MANUAL / 'src/release-notes'
VERSION_RL = RELEASE_NOTES_BASE / f'rl-{MAJOR}.md'
SUMMARY = MANUAL / 'src/SUMMARY.md'
def add_to_summary(date: str):
# N.B: This kind of duplicates gitutils.is_maintenance_branch, but it's a more clear
# check that allows potentially releasing a -rc without release notes being
# moved, then in .0 actually move the release notes in place.
if VERSION_RL.exists():
return
MARKER = ' <!-- RELENG-AUTO-INSERTION-MARKER'
new_lines = []
for line in SUMMARY.read_text().splitlines():
new_lines.append(line)
if MARKER in line:
indent, _, _ = line.partition(MARKER)
new_lines.append(f'{indent}- [Lix {MAJOR} ({date})](release-notes/rl-{MAJOR}.md)')
# make pre-commit happy about one newline
text = '\n'.join(new_lines).rstrip()
text += '\n'
SUMMARY.write_text(text)
def build_release_notes_to_file():
date = datetime.datetime.now().strftime('%Y-%m-%d')
add_to_summary(date)
print('[+] Preparing release notes')
RELEASE_NOTES_PATH = Path('doc/manual/rl-next')
if RELEASE_NOTES_PATH.is_dir():
notes_body = subprocess.check_output(['build-release-notes', '--change-authors', 'doc/manual/change-authors.yml', RELEASE_NOTES_PATH]).decode()
else:
# I guess nobody put release notes on their changes?
print('[-] Warning: seemingly missing any release notes, not worrying about it')
notes_body = ''
rl_path = Path(RELEASE_NOTES_BASE / f'rl-{MAJOR}.md')
existing_rl = ''
try:
with open(rl_path, 'r') as fh:
existing_rl = fh.read()
except FileNotFoundError:
pass
minor_header = f'# Lix {VERSION} ({date})'
header = f'# Lix {MAJOR} "{RELEASE_NAME}"'
if existing_rl.startswith(header):
# strip the header off for minor releases
lines = existing_rl.splitlines()
header = lines[0]
existing_rl = '\n'.join(lines[1:])
else:
header += f' ({date})\n\n'
header += '\n' + minor_header + '\n'
notes = header
notes += notes_body
notes += "\n\n"
notes += existing_rl
# make pre-commit happy about one newline
notes = notes.rstrip()
notes += "\n"
with open(rl_path, 'w') as fh:
fh.write(notes)
return rl_path