65 lines
2.7 KiB
Python
65 lines
2.7 KiB
Python
"""Print compact release notes from the preceding stable tag to a tested commit."""
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import argparse
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import os
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import re
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import subprocess
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import tomllib
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def git(*args):
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return subprocess.check_output([os.environ.get("GIT_BINARY", "git"), *args], text=True).strip()
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def version(tag):
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match = re.fullmatch(r"v(\d+)\.(\d+)\.(\d+)", tag)
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return tuple(map(int, match.groups())) if match else None
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def main():
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument("tag")
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parser.add_argument("ref", help="Exact tested release commit; the new tag need not exist yet")
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parser.add_argument("--repo", default="ArchiveBox/ArchiveBox")
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args = parser.parse_args()
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current = version(args.tag)
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if current is None:
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parser.error("a stable vMAJOR.MINOR.PATCH tag is required")
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previous = max(
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(tag for tag in git("tag", "--merged", args.ref).splitlines() if version(tag) and version(tag) < current),
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key=version,
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)
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root = f"https://github.com/{args.repo}"
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# Use reviewed, user-facing copy only when this release introduces it.
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# Unchanged notes belong to an earlier release and must not be repeated.
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notes_path = "docs/Release-Notes.md"
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notes_changed = git("diff", "--name-only", f"{previous}..{args.ref}", "--", notes_path)
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notes_at_ref = git("ls-tree", "--name-only", args.ref, "--", notes_path)
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if notes_changed and notes_at_ref == notes_path:
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print(git("show", f"{args.ref}:{notes_path}"))
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print(f"\n[Full changelog]({root}/compare/{previous}...{args.tag}) · [0.9 announcement]({root}/releases/tag/v0.9.36)")
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return
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print(f"## Changes since {previous}\n")
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seen = set()
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for line in git("log", "--reverse", "--no-merges", "--format=%H%x09%s", f"{previous}..{args.ref}").splitlines():
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sha, subject = line.split("\t", 1)
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if re.match(
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r"(?:Bump release version|Bump for |chore\(release\)|chore\(deps\)|Update .* dependencies|Pin .* release)",
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subject,
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re.I,
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):
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continue
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if subject not in seen:
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print(f"- {subject} ([{sha[:8]}]({root}/commit/{sha})).")
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seen.add(subject)
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old = tomllib.loads(git("show", f"{previous}:pyproject.toml"))["project"]["dependencies"]
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new = tomllib.loads(git("show", f"{args.ref}:pyproject.toml"))["project"]["dependencies"]
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updates = [dependency for dependency in new if dependency not in old]
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if updates:
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print("- ⬆️ Updated dependencies: " + ", ".join(f"`{dependency}`" for dependency in updates) + ".")
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print(f"\n[Full changelog]({root}/compare/{previous}...{args.tag}) · [0.9 announcement]({root}/releases/tag/v0.9.36)")
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if __name__ == "__main__":
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main()
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