name: "Test"
on:
  pull_request:
  push:
jobs:
  tests:
    strategy:
      matrix:
        os: [ubuntu-latest, macos-latest]
    runs-on: ${{ matrix.os }}

    steps:
    - uses: actions/checkout@v2.3.4
      with:
        fetch-depth: 0
    - uses: cachix/install-nix-action@v13
    - run: echo CACHIX_NAME="$(echo $GITHUB_REPOSITORY-install-tests | tr "[A-Z]/" "[a-z]-")" >> $GITHUB_ENV
    - uses: cachix/cachix-action@v10
      with:
        name: '${{ env.CACHIX_NAME }}'
        signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'
        authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
    #- run: nix flake check
    - run: nix-build -A checks.$(if [[ `uname` = Linux ]]; then echo x86_64-linux; else echo x86_64-darwin; fi)
  check_cachix:
    name: Cachix secret present for installer tests
    runs-on: ubuntu-latest
    outputs:
      secret: ${{ steps.secret.outputs.secret }}
    steps:
      - name: Check for Cachix secret
        id: secret
        env:
          _CACHIX_SECRETS: ${{ secrets.CACHIX_SIGNING_KEY }}${{ secrets.CACHIX_AUTH_TOKEN }}
        run: echo "::set-output name=secret::${{ env._CACHIX_SECRETS != '' }}"
  installer:
    needs: [tests, check_cachix]
    if: github.event_name == 'push' && needs.check_cachix.outputs.secret == 'true'
    runs-on: ubuntu-latest
    outputs:
      installerURL: ${{ steps.prepare-installer.outputs.installerURL }}
    steps:
    - uses: actions/checkout@v2.3.4
      with:
        fetch-depth: 0
    - run: echo CACHIX_NAME="$(echo $GITHUB_REPOSITORY-install-tests | tr "[A-Z]/" "[a-z]-")" >> $GITHUB_ENV
    - uses: cachix/install-nix-action@v13
    - uses: cachix/cachix-action@v10
      with:
        name: '${{ env.CACHIX_NAME }}'
        signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'
        authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
    - id: prepare-installer
      run: scripts/prepare-installer-for-github-actions
  installer_test:
    needs: [installer, check_cachix]
    if: github.event_name == 'push' && needs.check_cachix.outputs.secret == 'true'
    strategy:
      matrix:
        os: [ubuntu-latest, macos-latest]
    runs-on: ${{ matrix.os }}
    steps:
    - uses: actions/checkout@v2.3.4
    - run: echo CACHIX_NAME="$(echo $GITHUB_REPOSITORY-install-tests | tr "[A-Z]/" "[a-z]-")" >> $GITHUB_ENV
    - uses: cachix/install-nix-action@v13
      with:
        install_url: '${{needs.installer.outputs.installerURL}}'
        install_options: "--tarball-url-prefix https://${{ env.CACHIX_NAME }}.cachix.org/serve"
    - run: nix-instantiate -E 'builtins.currentTime' --eval
