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fix(release): preserve changelog idempotency across dates

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pnoker
2026-05-09 21:15:34 +08:00
parent dcfbd51466
commit 36b8be1f9f
1 changed files with 19 additions and 5 deletions
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dc3/bin/changelog.py
+19 -5
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@@ -77,6 +77,7 @@ TYPE_TO_CATEGORY = {
"doc": "Documentation",
"build": "Build",
"ci": "CI",
"security": "Security",
"test": "Tests",
"tests": "Tests",
"chore": "Chores",
@@ -86,6 +87,10 @@ TYPE_TO_CATEGORY = {
CONVENTIONAL_RE = re.compile(r"^(?P<type>[a-zA-Z]+)(?:\((?P<scope>[^)]+)\))?(?P<breaking>!)?: (?P<desc>.+)$")
VERSION_RE = re.compile(r"^### .*?(?P<version>\d+\.\d+\.\d+).*$", re.MULTILINE)
GENERATED_DATE_RE = re.compile(
r"^### .*?(?P<version>\d+\.\d+\.\d+)\s*\n\s*_Generated on (?P<date>\d{4}-\d{2}-\d{2})\._",
re.MULTILINE,
)
@dataclass(frozen=True)
@@ -245,13 +250,12 @@ def build_summary(commits: list[Commit], from_ref: str, to_ref: str) -> list[str
return lines
def build_release_block(version: str, commits: list[Commit], from_ref: str, to_ref: str) -> str:
today = dt.date.today().isoformat()
def build_release_block(version: str, commits: list[Commit], from_ref: str, to_ref: str, generated_date: str) -> str:
grouped: dict[str, list[Commit]] = defaultdict(list)
for commit in commits:
grouped[commit.category].append(commit)
lines = [f"### \U0001f4cc {version}", "", f"_Generated on {today}._", "", "#### Summary"]
lines = [f"### \U0001f4cc {version}", "", f"_Generated on {generated_date}._", "", "#### Summary"]
lines.extend(build_summary(commits, from_ref, to_ref))
for category in CATEGORY_ORDER:
@@ -282,6 +286,13 @@ def known_versions(markdown: str) -> set[str]:
return set(VERSION_RE.findall(markdown))
def existing_generated_date(markdown: str, version: str) -> str:
for match in GENERATED_DATE_RE.finditer(markdown):
if match.group("version") == version:
return match.group("date")
return ""
def merge_historical(top: str, details: str, version: str) -> str:
old_top = strip_header(top)
if not old_top or version in known_versions(old_top):
@@ -336,10 +347,13 @@ def main() -> int:
version = args.version or read_project_version(repo_root)
from_ref = args.from_ref or previous_release_tag(args.to_ref, args.tag_pattern)
change_file = Path(args.change_file)
change_path = repo_root / change_file
existing = change_path.read_text(encoding="utf-8") if change_path.exists() else ""
generated_date = existing_generated_date(existing, version) or dt.date.today().isoformat()
commits = read_commits(from_ref, args.to_ref, args.include_merges)
commits = filter_commits(commits, change_file, args.include_changelog_commits)
release_block = build_release_block(version, commits, from_ref, args.to_ref)
update_changelog(repo_root / change_file, release_block, version)
release_block = build_release_block(version, commits, from_ref, args.to_ref, generated_date)
update_changelog(change_path, release_block, version)
print(f"Updated {args.change_file}")
print(f"Version: {version}")