nix.yml

name: Run Flake

on: [ push, pull_request ]

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:

  nix-flake:
    runs-on: ubuntu-22.04
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: Install Nix
        uses: DeterminateSystems/nix-installer-action@v14
      - name: Cache Nix dependencies
        uses: DeterminateSystems/magic-nix-cache-action@v8
      # Upstream package sometimes has flags set that disable flake checking
      - name: Setup test env
        run: |
          echo 'NIXPKGS_ALLOW_BROKEN=1' >> $GITHUB_ENV
      - name: Check flake
        run: nix flake check --impure
      - name: Build flake
        run: nix build
      - name: Test run in shell
        run: nix shell -c sile --version
      - name: Test run as flake
        run: nix run . -- --version