[meld/precommit] Show diff on pre-commit hook failure

[Kai Willadsen <kaiw src gnome org>]

commit d25b6f3f6e2cc3ab8a72b783d91fc7791bf8604d
Author: Kai Willadsen <kai willadsen gmail com>
Date:   Sun Oct 6 08:15:27 2019 +1000

    Show diff on pre-commit hook failure

 .gitlab-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index cf006590..affcf7dc 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -24,7 +24,7 @@ lint:
   script:
     - dnf install -y git
     - pip3 install -r dev-requirements.txt
-    - pre-commit run --all-files
+    - pre-commit run --all-files --show-diff-on-failure
   allow_failure: true
   <<: *linux-common