name: CI

on:
  push:
    branches: [main]
  pull_request:
  workflow_dispatch:

jobs:
  build:
    name: Build (${{ matrix.system }})

    strategy:
      fail-fast: false
      matrix:
        include:
          - os: ubuntu-latest
            system: x86_64-linux
          - os: macos-latest
            system: aarch64-darwin
          - os: macos-13
            system: x86_64-darwin
          - os: ubuntu-latest
            system: aarch64-linux

    runs-on: ${{ matrix.os }}

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Setup QEMU
        if: matrix.system == 'aarch64-linux'
        run: |
          sudo apt update
          sudo apt install -y qemu-user-static

      - name: Install Nix
        if: matrix.system != 'aarch64-linux'
        uses: DeterminateSystems/nix-installer-action@v14

      - name: Install Nix (with aarch64)
        if: matrix.system == 'aarch64-linux'
        uses: DeterminateSystems/nix-installer-action@v14
        with:
          extra-conf: "extra-platforms = aarch64-linux arm-linux"

      - name: Setup Cachix
        uses: cachix/cachix-action@v15
        with:
          name: getchoo
          authToken: ${{ secrets.CACHIX_AUTH_TOKEN }}

      - name: Run build
        run: |
          nix run \
            github:Mic92/nix-fast-build -- \
            --no-nom \
            --skip-cached \
            --systems '${{ matrix.system }}' \
            --option accept-flake-config true \
            --option allow-import-from-derivation false \
            --flake '.#packages'

  build-gate:
    name: Build gate

    if: ${{ always() }}

    needs: build

    runs-on: ubuntu-latest

    steps:
      - name: Exit with error
        if: contains(needs.*.result, 'failure') || contains(needs.*.result, 'cancelled')
        run: exit 1

  check:
    name: Check flake

    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Install Nix
        uses: DeterminateSystems/nix-installer-action@v14

      - name: Run check
        run: |
          nix flake check \
            --all-systems \
            --print-build-logs \
            --show-trace \
            --accept-flake-config