GitLab CI.

Running pre-commit.

.gitlab-ci.yml

+---
+image: adarnimrod/ci-images:docker
+
+stages:
+  - test
+
+pre-commit:
+  stage: test
+  image: adarnimrod/ci-images:pre-commit
+  variables:
+    XDG_CACHE_HOME: "$CI_PROJECT_DIR/.cache"
+  script:
+    - pre-commit run --all-files
+  cache:
+    paths:
+      - .cache/