name: check and push
on:
  push:
    branches:
      - master
  pull_request:
jobs:
  stack-test:
    name: stack test
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: haskell-actions/setup@v2
        with:
          enable-stack: true
          stack-no-global: true
      - uses: actions/cache@v4
        with:
          path: |
            ~/.stack
            .stack-work
          key: ${{ runner.os }}-${{ hashFiles('**/*.cabal','**/stack.yaml') }}
          # If there's no match for key, fall back to these:
          restore-keys: |
            ${{ runner.os }}-
      - run: stack test

  flake-no-push:
    name: flake check (no push)
    if: github.event_name != 'push'
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: cachix/install-nix-action@v31
      - uses: cachix/cachix-action@v15
        with:
          name: stackage-infrastructure
      - run: nix build
      - run: nix flake check

  flake-push:
    name: flake check and push
    if: github.event_name == 'push'
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: cachix/install-nix-action@v31
      - uses: cachix/cachix-action@v31
        with:
          name: stackage-infrastructure
          authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
      - run: nix build
      - run: nix flake check