Initial commit

hooks/scripts/bash_formatting.py

@@ -0,0 +1,61 @@
+#!/usr/bin/env python3
+"""
+PostToolUse hook: Auto-format Bash/Shell scripts with prettier-plugin-sh
+"""
+import json
+import shutil
+import subprocess
+import sys
+from pathlib import Path
+
+
+def check_prettier_version() -> bool:
+    """Check if prettier is installed and warn if version differs from 3.6.2."""
+    if not shutil.which('npx'):
+        return False
+    try:
+        result = subprocess.run(['npx', 'prettier', '--version'],
+                                capture_output=True, text=True, check=False, timeout=5)
+        if result.returncode == 0:
+            version = result.stdout.strip()
+            if '3.6.2' not in version:
+                print(f"⚠️  Prettier version mismatch: expected 3.6.2, found {version}")
+            return True
+    except Exception:
+        pass
+    return False
+
+
+def main():
+    try:
+        data = json.load(sys.stdin)
+        file_path = data.get("tool_input", {}).get("file_path", "")
+
+        if not file_path.endswith(('.sh', '.bash')):
+            sys.exit(0)
+
+        sh_file = Path(file_path)
+        if not sh_file.exists():
+            sys.exit(0)
+
+        # Check if prettier is available
+        if not check_prettier_version():
+            sys.exit(0)
+
+        # Try prettier with prettier-plugin-sh, handle any failure gracefully
+        try:
+            subprocess.run([
+                'npx', 'prettier', '--write', '--list-different', '--print-width', '120',
+                '--plugin=$(npm root -g)/prettier-plugin-sh/lib/index.cjs',
+                str(sh_file)
+            ], shell=True, capture_output=True, check=False, cwd=sh_file.parent, timeout=10)
+        except Exception:
+            pass  # Silently handle any failure (missing plugin, timeout, etc.)
+
+    except Exception:
+        pass
+
+    sys.exit(0)
+
+if __name__ == "__main__":
+    main()