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release: update-hooks: helper for automatically syncing hooks
These hooks are maintained in other projects. Add a script to automate their import so people don't send us changes directly, and we can try to steer them to the correct place. Change-Id: Iac0bdb3aae84dda43a1600e73107555b513ce82b Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/422177 Commit-Queue: Mike Frysinger <[email protected]> Tested-by: Mike Frysinger <[email protected]> Reviewed-by: Josip Sokcevic <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,143 @@ | ||
| #!/usr/bin/env python3 | ||
| # Copyright (C) 2024 The Android Open Source Project | ||
| # | ||
| # Licensed under the Apache License, Version 2.0 (the "License"); | ||
| # you may not use this file except in compliance with the License. | ||
| # You may obtain a copy of the License at | ||
| # | ||
| # http://www.apache.org/licenses/LICENSE-2.0 | ||
| # | ||
| # Unless required by applicable law or agreed to in writing, software | ||
| # distributed under the License is distributed on an "AS IS" BASIS, | ||
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| # See the License for the specific language governing permissions and | ||
| # limitations under the License. | ||
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| """Helper tool for updating hooks from their various upstreams.""" | ||
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| import argparse | ||
| import base64 | ||
| import json | ||
| from pathlib import Path | ||
| import sys | ||
| from typing import List, Optional | ||
| import urllib.request | ||
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| assert sys.version_info >= (3, 8), "Python 3.8+ required" | ||
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| TOPDIR = Path(__file__).resolve().parent.parent | ||
| HOOKS_DIR = TOPDIR / "hooks" | ||
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| def update_hook_commit_msg() -> None: | ||
| """Update commit-msg hook from Gerrit.""" | ||
| hook = HOOKS_DIR / "commit-msg" | ||
| print( | ||
| f"{hook.name}: Updating from https://gerrit.googlesource.com/gerrit/" | ||
| "+/HEAD/resources/com/google/gerrit/server/tools/root/hooks/commit-msg" | ||
| ) | ||
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| # Get the current commit. | ||
| url = "https://gerrit.googlesource.com/gerrit/+/HEAD?format=JSON" | ||
| with urllib.request.urlopen(url) as fp: | ||
| data = fp.read() | ||
| # Discard the xss protection. | ||
| data = data.split(b"\n", 1)[1] | ||
| data = json.loads(data) | ||
| commit = data["commit"] | ||
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| # Fetch the data for that commit. | ||
| url = ( | ||
| f"https://gerrit.googlesource.com/gerrit/+/{commit}/" | ||
| "resources/com/google/gerrit/server/tools/root/hooks/commit-msg" | ||
| ) | ||
| with urllib.request.urlopen(f"{url}?format=TEXT") as fp: | ||
| data = fp.read() | ||
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| # gitiles base64 encodes text data. | ||
| data = base64.b64decode(data) | ||
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| # Inject header into the hook. | ||
| lines = data.split(b"\n") | ||
| lines = ( | ||
| lines[:1] | ||
| + [ | ||
| b"# DO NOT EDIT THIS FILE", | ||
| ( | ||
| b"# All updates should be sent upstream: " | ||
| b"https://gerrit.googlesource.com/gerrit/" | ||
| ), | ||
| f"# This is synced from commit: {commit}".encode("utf-8"), | ||
| b"# DO NOT EDIT THIS FILE", | ||
| ] | ||
| + lines[1:] | ||
| ) | ||
| data = b"\n".join(lines) | ||
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| # Update the hook. | ||
| hook.write_bytes(data) | ||
| hook.chmod(0o755) | ||
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| def update_hook_pre_auto_gc() -> None: | ||
| """Update pre-auto-gc hook from git.""" | ||
| hook = HOOKS_DIR / "pre-auto-gc" | ||
| print( | ||
| f"{hook.name}: Updating from https://github.com/git/git/" | ||
| "HEAD/contrib/hooks/pre-auto-gc-battery" | ||
| ) | ||
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| # Get the current commit. | ||
| headers = { | ||
| "Accept": "application/vnd.github+json", | ||
| "X-GitHub-Api-Version": "2022-11-28", | ||
| } | ||
| url = "https://api.github.com/repos/git/git/git/refs/heads/master" | ||
| req = urllib.request.Request(url, headers=headers) | ||
| with urllib.request.urlopen(req) as fp: | ||
| data = fp.read() | ||
| data = json.loads(data) | ||
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| # Fetch the data for that commit. | ||
| commit = data["object"]["sha"] | ||
| url = ( | ||
| f"https://raw.githubusercontent.com/git/git/{commit}/" | ||
| "contrib/hooks/pre-auto-gc-battery" | ||
| ) | ||
| with urllib.request.urlopen(url) as fp: | ||
| data = fp.read() | ||
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| # Inject header into the hook. | ||
| lines = data.split(b"\n") | ||
| lines = ( | ||
| lines[:1] | ||
| + [ | ||
| b"# DO NOT EDIT THIS FILE", | ||
| ( | ||
| b"# All updates should be sent upstream: " | ||
| b"https://github.com/git/git/" | ||
| ), | ||
| f"# This is synced from commit: {commit}".encode("utf-8"), | ||
| b"# DO NOT EDIT THIS FILE", | ||
| ] | ||
| + lines[1:] | ||
| ) | ||
| data = b"\n".join(lines) | ||
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| # Update the hook. | ||
| hook.write_bytes(data) | ||
| hook.chmod(0o755) | ||
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| def main(argv: Optional[List[str]] = None) -> Optional[int]: | ||
| parser = argparse.ArgumentParser(description=__doc__) | ||
| parser.parse_args(argv) | ||
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| update_hook_commit_msg() | ||
| update_hook_pre_auto_gc() | ||
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| if __name__ == "__main__": | ||
| sys.exit(main(sys.argv[1:])) |
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