ci(yamllint): add YAML linting checks (reanahub#175)

Author: tiborsimko

.github/workflows/ci.yml

@@ -106,3 +106,21 @@ jobs:
         run: |
           sudo apt-get install shellcheck
           ./run-tests.sh --lint-shellcheck
+
+  lint-yamllint:
+    runs-on: ubuntu-24.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Setup Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+
+      - name: Lint YAML files
+        run: |
+          pip install yamllint
+          ./run-tests.sh --lint-yamllint

.yamllint.yaml

@@ -0,0 +1,7 @@
+extends: default
+rules:
+  comments:
+    min-spaces-from-content: 1
+  document-start: disable
+  line-length: disable
+  truthy: disable

run-tests.sh

@@ -96,13 +96,18 @@ lint_shellcheck() {
     find . -name "*.sh" -exec shellcheck {} \+
 }
 
+lint_yamllint() {
+    yamllint .
+}
+
 all() {
     docs_shell_completions
     format_go
     go_tests
     lint_commitlint
     lint_goaudit
     lint_shellcheck
+    lint_yamllint
 }
 
 help() {
@@ -116,6 +121,7 @@ help() {
     echo "  --lint-commitlint          Check linting of commit messages"
     echo "  --lint-goaudit             Check linting of Go code"
     echo "  --lint-shellcheck          Check linting of shell scripts"
+    echo "  --lint-yamllint            Check linting of YAML files"
 }
 
 if [ $# -eq 0 ]; then
@@ -133,5 +139,6 @@ case $arg in
 --lint-commitlint) lint_commitlint "$@" ;;
 --lint-goaudit) lint_goaudit ;;
 --lint-shellcheck) lint_shellcheck ;;
+--lint-yamllint) lint_yamllint ;;
 *) echo "[ERROR] Invalid argument '$arg'. Exiting." && help && exit 1 ;;
 esac