pr.yaml

name: Validate PRs

on:
  pull_request:
    branches: [ main ]

jobs:
  go:
    name: Check sources
    runs-on: ubuntu-20.04
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup Go
        uses: actions/setup-go@v5
        with:
          go-version-file: 'go.mod'

      - name: Check go.mod
        run: |
          go mod tidy
          if ! git diff --quiet; then
            echo "Go modules need tidying (go mod tidy)"
            exit 1
          fi

      - name: Check format
        run: |
          go fmt ./...
          if ! git diff --quiet; then
            echo "Files are not formatted (go fmt ./...)"
            exit 1
          fi

      - name: Check license headers
        run: |
          go install github.com/google/addlicense@latest
          if ! addlicense --check -s -l apache -c "The KitOps Authors." $(find . -name '*.go'); then
            echo "License headers missing from Go files (see above)."
            echo "Install addlicense via 'go install github.com/google/addlicense@latest'"
            echo "And run 'addlicense -s -l apache -c "The KitOps Authors." $(find . -name '*.go')"
            exit 1
          fi

      - name: Check build
        run: |
          if ! go build -o kit; then
            echo "Project does not build"
            exit 1
          fi

      - name: Run tests
        run: |
          if ! go test ./... -v; then
            echo "Project tests failed"
            exit 1
          fi

      - name: Check for trailing whitespace
        run: |
          files=$(grep -E -lI --exclude '*.svg' --exclude 'docs/*' " +$" $(git ls-files) || true)
          if [ ! -z $files ]; then
            echo "Trailing whitespace in files:"
            echo "$files"
            exit 1
          fi