nix-github-actions.yml

name: Nix Flake Checks

on:
  pull_request:
  push:

jobs:
  build:
    name: Build targets
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: DeterminateSystems/flake-checker-action@v9
      - uses: nixbuild/nix-quick-install-action@v29
      - uses: DeterminateSystems/magic-nix-cache-action@main
      - run: nix build

  nix-matrix:
    runs-on: ubuntu-latest
    outputs:
      matrix: ${{ steps.set-matrix.outputs.matrix }}
    steps:
      - uses: actions/checkout@v4
      - uses: nixbuild/nix-quick-install-action@v29
      - id: set-matrix
        name: Generate Nix Matrix
        run: |
          set -Eeu
          matrix="$(nix eval --json '.#githubActions.matrix')"
          echo "matrix=$matrix" >> "$GITHUB_OUTPUT"

  nix-build:
    name: ${{ matrix.name }} (${{ matrix.system }})
    needs: nix-matrix
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix: ${{fromJSON(needs.nix-matrix.outputs.matrix)}}
    steps:
      - uses: actions/checkout@v4
      - uses: nixbuild/nix-quick-install-action@v29
      - uses: DeterminateSystems/magic-nix-cache-action@main
      - run: nix build -L '.#${{ matrix.attr }}'