From 6f0b860928edcb34964136c4363c79f181a3f6fa Mon Sep 17 00:00:00 2001
From: Guionardo <guionado@gmail.com>
Date: Mon, 11 Aug 2025 12:12:08 -0300
Subject: [PATCH] feat: Adds just_warn option to allow commit when return value
 is not zero

---
 .gitignore                 |  2 ++
 pre_commit/commands/run.py | 10 +++++++---
 pre_commit/hook.py         |  1 +
 3 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/.gitignore b/.gitignore
index c2021816..a6cf6ddb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,5 @@
 /.tox
 /dist
 .vscode/
+.venv
+build
\ No newline at end of file
diff --git a/pre_commit/commands/run.py b/pre_commit/commands/run.py
index 793adbdb..a6251607 100644
--- a/pre_commit/commands/run.py
+++ b/pre_commit/commands/run.py
@@ -292,15 +292,19 @@ def _run_hooks(
     )
     retval = 0
     prior_diff = _get_diff()
+    just_warn = False
     for hook in hooks:
         current_retval, prior_diff = _run_single_hook(
             classifier, hook, skips, cols, prior_diff,
             verbose=args.verbose, use_color=args.color,
         )
-        retval |= current_retval
-        if current_retval and (config['fail_fast'] or hook.fail_fast):
+        if not hook.just_warn:
+            retval |= current_retval
+        else:
+            just_warn |= current_retval
+        if (current_retval or just_warn) and (config['fail_fast'] or hook.fail_fast):
             break
-    if retval and args.show_diff_on_failure and prior_diff:
+    if (retval or just_warn) and args.show_diff_on_failure and prior_diff:
         if args.all_files:
             output.write_line(
                 'pre-commit hook(s) made changes.\n'
diff --git a/pre_commit/hook.py b/pre_commit/hook.py
index 309cd5be..6794912f 100644
--- a/pre_commit/hook.py
+++ b/pre_commit/hook.py
@@ -35,6 +35,7 @@ class Hook(NamedTuple):
     require_serial: bool
     stages: Sequence[str]
     verbose: bool
+    just_warn: bool
 
     @property
     def install_key(self) -> tuple[Prefix, str, str, tuple[str, ...]]: