From 7cbfa538511e7b4052deba83fafaf2bd45aa94e2 Mon Sep 17 00:00:00 2001
From: Abdessamad Derraz <3028866+Abdess@users.noreply.github.com>
Date: Fri, 6 Nov 2026 16:01:27 +0100
Subject: [PATCH] fix: give commit_rules.py a --help

---
 scripts/commit_rules.py | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/scripts/commit_rules.py b/scripts/commit_rules.py
index 356b3a871..1da6d7b1b 100644
--- a/scripts/commit_rules.py
+++ b/scripts/commit_rules.py
@@ -10,6 +10,7 @@ Usage as a hook: python scripts/commit_rules.py MESSAGE_FILE
 
 from __future__ import annotations
 
+import argparse
 import re
 import sys
 from pathlib import Path
@@ -51,10 +52,11 @@ def problems(message: str) -> list[str]:
 
 
 def main(argv: list[str]) -> int:
-    if len(argv) != 2:
-        print("usage: commit_rules.py MESSAGE_FILE", file=sys.stderr)
-        return 2
-    found = problems(Path(argv[1]).read_text(encoding="utf-8", errors="replace"))
+    parser = argparse.ArgumentParser(
+        allow_abbrev=False, description="Check a commit message against the rules above")
+    parser.add_argument("message_file", type=Path, help="the message file a commit-msg hook receives")
+    args = parser.parse_args(argv[1:])
+    found = problems(args.message_file.read_text(encoding="utf-8", errors="replace"))
     for problem in found:
         print(f"commit-msg: {problem}", file=sys.stderr)
     return 1 if found else 0