diff --git a/setup/git_hooks.py b/setup/git_hooks.py
index e4da9d6d66..5724089cd8 100644
--- a/setup/git_hooks.py
+++ b/setup/git_hooks.py
@@ -2,35 +2,36 @@
 # License: GPLv3 Copyright: 2025, un_pogaz <un.pogaz@gmail.com>
 
 import os
-from collections import namedtuple
+from contextlib import suppress
+from typing import NamedTuple
 
 from setup import Command
 
-base = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
-base_hooks = os.path.join(base, '.git', 'hooks')
-src_script = os.path.splitext(os.path.realpath(__file__))[0]
-
-
 HOOK_TEMPLATE = '''\
-#!/bin/sh
-#!/usr/bin/env bash
+#!/usr/bin/env -S calibre-debug -e -- --
 # File generated by calibre "setup.py git_hooks"
 
-HOOK_DIR=$(cd "$(dirname "$0")" && pwd)
-BASE_DIR=$(dirname "$(dirname "$HOOK_DIR")")
-SCRIPT=$BASE_DIR/{file}
-
-exec python "$SCRIPT" {args}
+import os
+import runpy
+import sys
+base = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+sys.argv[0] = os.path.basename({file!r})
+runpy.run_path(os.path.join(base, 'setup', {file!r}), run_name='__main__')
 '''
 
-Hook = namedtuple('Hook', ['name', 'file', 'args_count', 'default'])
+
+class Hook(NamedTuple):
+    name: str
+    file: str
+    default: bool = True
+
 
 HOOKS = {h.name:h for h in (
-    Hook('post-checkout', 'git_post_checkout_hook.py', 3, True),
-    Hook('post-rewrite', 'git_post_rewrite_hook.py', 1, True),
-    Hook('pre-commit', 'git_pre_commit_hook.py', 0, True),
+    Hook('post-checkout', 'git_post_checkout_hook.py'),
+    Hook('post-rewrite', 'git_post_rewrite_hook.py'),
+    Hook('pre-commit', 'git_pre_commit_hook.py'),
     # disable by default, because except Kovid, nobody can run this hook
-    Hook('commit-msg', 'git_commit_msg_hook.py', 1, False),
+    Hook('commit-msg', 'git_commit_msg_hook.py', False),
 )}
 
 DEFAULT = ','.join(sorted(h.name for h in HOOKS.values() if h.default))
@@ -74,11 +75,10 @@ class GitHooks(Command):
             self.install()
 
     def _parse_template(self, hook_name):
+        base_hooks = os.path.join(os.path.dirname(self.SRC), '.git', 'hooks')
         hook = HOOKS[hook_name]
         path = self.j(base_hooks, hook.name)
-        sh_file = f'setup/{hook.file}'
-        sh_args = ' '.join(f'"${i}"' for i in range(1, hook.args_count+1))
-        script = HOOK_TEMPLATE.format(file=sh_file, args=sh_args)
+        script = HOOK_TEMPLATE.format(file=hook.file)
         return path, script
 
     def install(self):
@@ -100,8 +100,11 @@ class GitHooks(Command):
                     continue
 
             self.info(f'{candidate}: installed.')
+            with suppress(OSError):
+                os.remove(path)  # remove if symlink
             with open(path, 'wb') as f:
                 f.write(script.encode('utf-8'))
+            os.chmod(path, 0o744, follow_symlinks=False)
 
     def uninstall(self):
         self.info('Uninstalling the hooks:', ', '.join(self.names))