DollhouseMCP

name: 'Validate YAML' description: 'Validates YAML syntax for modified workflow files' branding: icon: 'check-circle' color: 'green' runs: using: 'composite' steps: - name: Install yamllint shell: bash run: | if ! command -v yamllint &> /dev/null; then echo "Installing yamllint..." pip3 install yamllint || { echo "⚠️ Could not install yamllint, falling back to basic YAML validation" export YAMLLINT_AVAILABLE=false } else echo "yamllint already available" fi echo "YAMLLINT_AVAILABLE=${YAMLLINT_AVAILABLE:-true}" >> $GITHUB_ENV - name: Validate Workflow YAML shell: bash run: | # Robust git command with multiple fallbacks for edge cases echo "Detecting modified workflow files..." changed_workflows=$( git diff --name-only HEAD~1 HEAD -- .github/workflows/ 2>/dev/null || \ git diff --name-only --cached -- .github/workflows/ 2>/dev/null || \ git ls-files .github/workflows/ 2>/dev/null || \ echo "" ) if [ -n "$changed_workflows" ]; then echo "Validating modified workflow files..." validation_failed=false for file in $changed_workflows; do if [ -f "$file" ]; then echo "Validating $file..." # Basic YAML syntax validation python3 -c "import yaml; yaml.safe_load(open('$file'))" || { echo "❌ YAML syntax error in $file" validation_failed=true continue } # Enhanced validation with yamllint (if available) if [ "$YAMLLINT_AVAILABLE" = "true" ] && command -v yamllint &> /dev/null; then yamllint "$file" || { echo "⚠️ YAML style issues in $file (non-blocking)" # Don't fail on style issues, just warn } fi echo "✅ $file is valid YAML" fi done if [ "$validation_failed" = "true" ]; then echo "❌ YAML validation failed for one or more files" exit 1 fi else echo "No workflow files modified, skipping validation" fi