fix atomic file replace on windows

Author: asottile

pre_commit/commands/install_uninstall.py

@@ -165,7 +165,7 @@ def _uninstall_hook_script(hook_type: str) -> None:
     output.write_line(f'{hook_type} uninstalled')
 
     if os.path.exists(legacy_path):
-        os.rename(legacy_path, hook_path)
+        os.replace(legacy_path, hook_path)
         output.write_line(f'Restored previous hooks to {hook_path}')
 
 

pre_commit/repository.py

@@ -48,7 +48,7 @@ def _write_state(prefix: Prefix, venv: str, state: object) -> None:
     with open(staging, 'w') as state_file:
         state_file.write(json.dumps(state))
     # Move the file into place atomically to indicate we've installed
-    os.rename(staging, state_filename)
+    os.replace(staging, state_filename)
 
 
 def _hook_installed(hook: Hook) -> bool:

pre_commit/store.py

@@ -79,7 +79,7 @@ def __init__(self, directory: Optional[str] = None) -> None:
                 self._create_config_table(db)
 
             # Atomic file move
-            os.rename(tmpfile, self.db_path)
+            os.replace(tmpfile, self.db_path)
 
     @contextlib.contextmanager
     def exclusive_lock(self) -> Generator[None, None, None]: