wehub-resource-sync
6c9c7fe7f3
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71 lines
1.9 KiB
Python
71 lines
1.9 KiB
Python
"""Validate pull request titles against the EverOS Conventional Commits policy."""
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from __future__ import annotations
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import importlib.util
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import os
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import sys
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from pathlib import Path
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from types import ModuleType
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_SCRIPT_DIR = Path(__file__).resolve().parent
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def _load_commit_policy() -> ModuleType:
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policy_path = _SCRIPT_DIR / "check_commit_messages.py"
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spec = importlib.util.spec_from_file_location("_commit_message_policy", policy_path)
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if spec is None or spec.loader is None:
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raise RuntimeError(f"Unable to load commit policy from {policy_path}")
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module = importlib.util.module_from_spec(spec)
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sys.modules[spec.name] = module
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spec.loader.exec_module(module)
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return module
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_POLICY = _load_commit_policy()
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ALLOWED_TYPES = _POLICY.ALLOWED_TYPES
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MAX_TITLE_LENGTH = _POLICY.MAX_TITLE_LENGTH
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TITLE_RE = _POLICY.TITLE_RE
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def validate_title(title: str) -> list[str]:
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title = title.strip()
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if not title:
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return ["missing PR title"]
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if len(title) > MAX_TITLE_LENGTH:
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return [f"PR title is {len(title)} chars; max is {MAX_TITLE_LENGTH}: {title}"]
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if not TITLE_RE.match(title):
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allowed = ", ".join(ALLOWED_TYPES)
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return [
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f"invalid PR title: {title}\n"
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" expected: <type>[(scope)][!]: <description>\n"
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f" allowed types: {allowed}"
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]
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return []
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def _title_from_args_or_env(argv: list[str]) -> str:
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if argv:
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return " ".join(argv)
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return os.getenv("PR_TITLE", "")
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def main(argv: list[str] | None = None) -> int:
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title = _title_from_args_or_env(sys.argv[1:] if argv is None else argv)
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failures = validate_title(title)
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if failures:
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print("Pull request title check failed:")
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print("\n".join(failures))
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return 1
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print("Pull request title follows Conventional Commits.")
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return 0
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if __name__ == "__main__":
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raise SystemExit(main())
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