on:
  push:
    branches:
      - "main"
  pull_request:
    # all PRs on all branches
name: "tests/lint"

jobs:
  test:
    strategy:
      matrix:
        go-version: [1.21.x]
        platform: [ubuntu-latest]
    runs-on: ${{ matrix.platform }}

    steps:
    - uses: actions/checkout@v2
    - uses: actions/setup-go@v2
      with:
        go-version: ${{ matrix.go-version }}

    - uses: actions/cache@v2
      with:
        path: ~/go/pkg/mod
        key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
        restore-keys: ${{ runner.os }}-go-

    - name: Symlink source into GOPATH for devcam
      run: |
        mkdir $(go env GOPATH)/src
        ln -s $(pwd) $(go env GOPATH)/src/perkeep.org

    - name: Check for fmt compliance
      run: |
        go fmt ./...
        test -z "$(git status --porcelain)"

    - name: Go vet
      run: go vet ./...

    - name: Run staticcheck
      run: go run honnef.co/go/tools/cmd/staticcheck ./...

    - name: Check for env vars documentation
      run: go run dev/envvardoc/envvardoc.go