Add fail-fast argument for run command

pre_commit/commands/hook_impl.py

@@ -106,6 +106,7 @@ def _ns(
         hook=None,
         verbose=False,
         show_diff_on_failure=False,
+        fail_fast=False,
     )
 
 

pre_commit/commands/run.py

@@ -298,7 +298,8 @@ def _run_hooks(
             verbose=args.verbose, use_color=args.color,
         )
         retval |= current_retval
-        if current_retval and (config['fail_fast'] or hook.fail_fast):
+        fail_fast = (config['fail_fast'] or hook.fail_fast or args.fail_fast)
+        if current_retval and fail_fast:
             break
     if retval and args.show_diff_on_failure and prior_diff:
         if args.all_files:

pre_commit/main.py

@@ -76,6 +76,10 @@ def _add_run_options(parser: argparse.ArgumentParser) -> None:
         '--show-diff-on-failure', action='store_true',
         help='When hooks fail, run `git diff` directly afterward.',
     )
+    parser.add_argument(
+        '--fail-fast', action='store_true',
+        help='Stop after the first failing hook.',
+    )
     parser.add_argument(
         '--hook-stage',
         choices=clientlib.STAGES,