ci: show pre-commit diff on failure

Sometimes the change done by pre-commit are not obvious, this should help.
4 months ago · 5862bff044
1 changed files with 1 additions and 1 deletions
--- a/.gitlab-ci/lint.yml
+++ b/.gitlab-ci/lint.yml
@ -7,7 +7,7 @@ pre-commit:
  variables:
    PRE_COMMIT_HOME: /pre-commit-cache
  script:
-  - pre-commit run --all-files
+  - pre-commit run --all-files --show-diff-on-failure
  cache:
    key: pre-commit-all
    paths: