---
name: build-image
on:
  workflow_dispatch:
    inputs:
      image:
        description: 'Which image to build'
        required: true
        default: 'rpi4'
        options: ['iso', 'rpi4']

jobs:
  build-sd-image:
    name: Build Nixos image
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4.1.1
      - uses: cachix/install-nix-action@v26
        with:
          nix_path: nixpkgs=channel:nixos-23.05
          extra_nix_config: |
            extra-platforms = aarch64-linux
      - name: Check nix.conf
        run: cat /etc/nix/nix.conf
      - name: Register binfmt
        run: |
          docker run --rm --privileged multiarch/qemu-user-static --reset -p yes
      - name: Test binfmt availability
        run: |
          cat /proc/sys/fs/binfmt_misc/qemu-aarch64
        shell: bash
      - name: Build SD Image
        run: |
          nix build .#images.${{ github.event.inputs.image }}
      - uses: actions/upload-artifact@v4
        with:
          name: rpi4.img
          path: ./result/sd-image/*.img*