Add pre-commit support to CI

This will help to make sure that style things that are enforced by
pre-commit are set appropriately.

.gitlab-ci.yml

@@ -1,6 +1,8 @@
 image: fedora:rawhide
 
 variables:
+  PRECOMMIT: pre-commit
+             git
   DEPENDENCIES: gcc
                 gcovr
                 gtk-doc
@@ -25,6 +27,13 @@ workflow:
     - if: $CI_PIPELINE_SOURCE == 'merge_request_event'
     - if: $CI_PIPELINE_SOURCE == 'push'
 
+pre_commit:
+  before_script:
+    - dnf update -y
+    - if [ -x /bin/dnf ]; then dnf install -y $PRECOMMIT; else dnf5 install -y $PRECOMMIT; fi
+  script:
+    - pre-commit run --all-files
+
 build_stable:
   before_script:
     - dnf update -y

.pre-commit-config.yaml

@@ -0,0 +1,40 @@
+default_stages: [commit]
+repos:
+-   repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.4.0
+    hooks:
+    -   id: no-commit-to-branch
+        args: [--branch, main]
+    -   id: check-added-large-files
+    -   id: check-byte-order-marker
+    -   id: check-executables-have-shebangs
+    -   id: forbid-new-submodules
+    -   id: check-yaml
+    -   id: check-json
+    -   id: pretty-format-json
+        args: ['--no-sort-keys']
+    -   id: check-symlinks
+    -   id: check-xml
+    -   id: end-of-file-fixer
+        types_or: [c, shell, python]
+    -   id: trailing-whitespace
+        types_or: [c, shell, python, xml]
+    -   id: check-docstring-first
+    -   id: check-merge-conflict
+    -   id: mixed-line-ending
+        args: [--fix=lf]
+-   repo: https://github.com/codespell-project/codespell
+    rev: v2.2.6
+    hooks:
+    -   id: codespell
+        args: ['--write-changes']
+# disabled until amdgpu panel power action is merged
+#-   repo: https://github.com/ambv/black
+#    rev: 23.12.0
+#    hooks:
+#    - id: black
+-   repo: https://github.com/igorshubovych/markdownlint-cli
+    rev: v0.38.0
+    hooks:
+    - id: markdownlint
+      args: ['--fix']