pull-request.yml

# Test PR:
# - Run shellcheck
# - Run markdownlint
# - Run Docker lint (using hadolint)
# - Build docker image
name: Test PR
on:
  pull_request

jobs:
  markdown-lint:
    runs-on: ubuntu-latest
    permissions:
      contents: read
    
    steps:
    - uses: actions/checkout@v2

    - name: install markdownlint tool
      run: sudo gem install mdl

    - name: run markdown linter
      run: |
        mdl $(find . -name '*.md')

  shellcheck:
    runs-on: ubuntu-latest
    permissions:
      contents: read

    steps:
    - uses: actions/checkout@v2

    # - name: install shellcheck
    #   run: apt install shellcheck -y

    - name: run shellcheck
      run: shellcheck **/*.*sh
  
  docker-lint:
    runs-on: ubuntu-latest
    permissions:
      contents: read
    
    steps:
    - uses: actions/checkout@v2

    - name: run docker lint
      run: |
        docker run --rm -i ghcr.io/hadolint/hadolint < src/Dockerfile

  test-build:
    runs-on: ubuntu-latest
    permissions:
      contents: read
    
    steps:
    - name: Checkout
      uses: actions/checkout@v2

    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v1

    - name: Cache Docker layers
      uses: actions/cache@v2
      with:
        path: /tmp/.buildx-cache
        key: ${{ runner.os }}-buildx-
        restore-keys: |
          ${{ runner.os }}-buildx-

    - name: Get git short hash
      id: shorthash
      run: |
        echo "::set-output name=shorthash::$(git rev-parse --short HEAD)"    

    - name: Build and push
      uses: docker/build-push-action@v2
      with:
        context: ./src
        push: false
        tags: ${{ format('haskell-dev-tools-test:{0}', steps.shorthash.outputs.shorthash) }}
        cache-from: type=local,src=/tmp/.buildx-cache
        cache-to: type=local,dest=/tmp/.buildx-cache-new

    - # Temp fix
      # https://github.com/docker/build-push-action/issues/252
      # https://github.com/moby/buildkit/issues/1896
      name: Move cache
      run: |
        rm -rf /tmp/.buildx-cache
        mv /tmp/.buildx-cache-new /tmp/.buildx-cache