Files
vrobbler/scripts/release.py

221 lines
7.7 KiB
Python
Executable File

#!/usr/bin/env python3
"""Cut a new release: collect DONE items from Backlog into a new Version section.
Usage:
poetry run python scripts/release.py major
poetry run python scripts/release.py minor
"""
import re
import subprocess
import sys
from pathlib import Path
PROJECT_FILE = Path("PROJECT.org")
CHANGELOG_FILE = Path("CHANGELOG.org")
PYPROJECT_FILE = Path("pyproject.toml")
BACKLOG_RE = re.compile(r"^\* Backlog\s+\[(\d+)/(\d+)\](.*)$")
VERSION_RE = re.compile(r"^\* Version\s+(\d+\.\d+)\s+\[\d+/\d+\]")
ITEM_HEADER_RE = re.compile(r"^\*\* ")
def parse_done_line(line):
"""Extract a clean title from a ** DONE line, stripping priority and tags."""
rest = line[8:].strip() # remove "** DONE "
# strip priority marker like [#A]
rest = re.sub(r"^\[#[A-C]\]\s+", "", rest, count=1)
# strip org-mode tags at end (space-colon-tags)
rest = re.sub(r"\s+:\S.*:\s*$", "", rest)
return rest
def bump_version(current_major, current_minor, kind):
if kind == "major":
return current_major + 1, 0
elif kind == "minor":
return current_major, current_minor + 1
else:
raise ValueError(f"Unknown bump kind: {kind}")
def collect_done_items(backlog_lines):
"""Split Backlog into items; return done items and kept items.
Each item is a list of lines (without the section header).
"""
# Split Backlog into items at each ** line (skip the section header)
items = [] # list of (start_idx, end_idx, is_done)
item_start = None
for i in range(1, len(backlog_lines)):
if ITEM_HEADER_RE.match(backlog_lines[i]):
if item_start is not None:
items.append(
(item_start, i, backlog_lines[item_start].startswith("** DONE"))
)
item_start = i
if item_start is not None:
items.append(
(
item_start,
len(backlog_lines),
backlog_lines[item_start].startswith("** DONE"),
)
)
done_items = [backlog_lines[s:e] for s, e, is_done in items if is_done]
kept_items = [backlog_lines[s:e] for s, e, is_done in items if not is_done]
return done_items, kept_items
def main():
if len(sys.argv) < 2 or sys.argv[1] not in ("major", "minor"):
print(f"Usage: {sys.argv[0]} <major|minor>", file=sys.stderr)
sys.exit(1)
kind = sys.argv[1]
changelog_lines = CHANGELOG_FILE.read_text().splitlines(keepends=True)
project_lines = PROJECT_FILE.read_text().splitlines(keepends=True)
# ---------------------------------------------------------------
# 1. Parse current version from the first * Version header in CHANGELOG.org
# ---------------------------------------------------------------
version_start = None
for i, line in enumerate(changelog_lines):
if VERSION_RE.match(line.strip()):
version_start = i
break
if version_start is None:
print(
"ERROR: no parseable Version header found in CHANGELOG.org", file=sys.stderr
)
sys.exit(1)
vm = VERSION_RE.match(changelog_lines[version_start].strip())
current_version = vm.group(1)
major_str, minor_str = current_version.split(".")
current_major = int(major_str)
current_minor = int(minor_str)
new_major, new_minor = bump_version(current_major, current_minor, kind)
new_version = f"{new_major}.{new_minor}"
# ---------------------------------------------------------------
# 2. Identify the Backlog section in PROJECT.org
# ---------------------------------------------------------------
section_starts = []
for i, line in enumerate(project_lines):
if line.startswith("* ") and not line.startswith("** "):
section_starts.append(i)
section_starts.append(len(project_lines))
backlog_idx = None
for idx, start in enumerate(section_starts[:-1]):
if project_lines[start].strip().startswith("* Backlog"):
backlog_idx = idx
if backlog_idx is None:
print("ERROR: no Backlog section found in PROJECT.org", file=sys.stderr)
sys.exit(1)
backlog_start = section_starts[backlog_idx]
backlog_end = section_starts[backlog_idx + 1]
backlog_lines = project_lines[backlog_start:backlog_end]
done_items, kept_items = collect_done_items(backlog_lines)
if not done_items:
print("No DONE items found in Backlog — nothing to release.")
sys.exit(1)
# ---------------------------------------------------------------
# 3. Build the new Version section text
# ---------------------------------------------------------------
version_section_lines = [
f"* Version {new_version} [{len(done_items)}/{len(done_items)}]\n"
]
for item in done_items:
version_section_lines.extend(item)
version_section_lines.append("\n")
# ---------------------------------------------------------------
# 4. Build updated Backlog section
# ---------------------------------------------------------------
backlog_header_line = backlog_lines[0]
bm = BACKLOG_RE.match(backlog_header_line.strip())
if not bm:
print(
f"ERROR: could not parse backlog header: {backlog_header_line!r}",
file=sys.stderr,
)
sys.exit(1)
tags = bm.group(3)
new_done = 0
new_total = len(kept_items)
new_backlog_header = f"* Backlog [{new_done}/{new_total}]{tags}\n"
backlog_body = []
for item in kept_items:
backlog_body.extend(item)
# ---------------------------------------------------------------
# 5. Assemble the new PROJECT.org (Backlog + DONE items removed)
# ---------------------------------------------------------------
before_backlog = project_lines[:backlog_start]
output_project = before_backlog + [new_backlog_header] + backlog_body
PROJECT_FILE.write_text("".join(output_project))
# ---------------------------------------------------------------
# 6. Insert the new Version section into CHANGELOG.org after the title
# ---------------------------------------------------------------
output_changelog = (
changelog_lines[:version_start]
+ version_section_lines
+ changelog_lines[version_start:]
)
CHANGELOG_FILE.write_text("".join(output_changelog))
# ---------------------------------------------------------------
# 7. Update pyproject.toml
# ---------------------------------------------------------------
pyproject = PYPROJECT_FILE.read_text()
pyproject = re.sub(
r'^version = "[\d.]+"',
f'version = "{new_version}"',
pyproject,
count=1,
flags=re.MULTILINE,
)
PYPROJECT_FILE.write_text(pyproject)
# ---------------------------------------------------------------
# 8. Build commit body from done item titles
# ---------------------------------------------------------------
commit_lines = []
for item in done_items:
title = parse_done_line(item[0])
if title:
commit_lines.append(f"- {title}")
commit_body = "\n".join(commit_lines)
commit_message = f"[release] Bump to version {new_version}\n\n{commit_body}"
# ---------------------------------------------------------------
# 9. Git commit + tag
# ---------------------------------------------------------------
subprocess.run(
["git", "add", str(PROJECT_FILE), str(CHANGELOG_FILE), str(PYPROJECT_FILE)],
check=True,
)
subprocess.run(["git", "commit", "-m", commit_message], check=True)
subprocess.run(["git", "tag", new_version], check=True)
print(f"\nReleased v{new_version} — tag {new_version} created.")
print(f"Moved {len(done_items)} DONE item(s) from Backlog to CHANGELOG.org.")
if __name__ == "__main__":
main()