name: build flakes

on:
  push:

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

jobs:
  build:
    strategy:
      fail-fast: false
      matrix:
        include:
          - os: ubuntu-latest
            hostname: wash
            arch: x86_64-linux
          - os: macos-latest
            hostname: MAC-C57KK2TC69
            arch: aarch64-darwin

    runs-on: ${{ matrix.os }}
    continue-on-error: false
    steps:
    - uses: actions/checkout@v4

    - name: install nix
      uses: DeterminateSystems/determinate-nix-action@v3.5.2
      with:
        extra-conf: "lazy-trees = true"

    # - uses: DeterminateSystems/magic-nix-cache-action@main
    #   with:
    #     use-flakehub: false

    - name: Maximize build space
      if: runner.os == 'Linux'
      uses: ./.github/actions/disk_space

    - uses: cachix/cachix-action@v16
      with:
        name: tmayoff
        authToken: '${{ secrets.CACHIX_AUTH }}'

    - uses: workflow/nix-shell-action@v3
      if: runner.os == 'Linux'
      name: build nixos
      with:
        packages: nh
        script: |
          nh os build ./dot_config/flake#nixosConfigurations.${{matrix.hostname}} --no-nom -- --cores 1 -j1

    - uses: workflow/nix-shell-action@v3
      if: runner.os == 'macOS'
      name: build darwin
      with:
        packages: nh
        script: |
          nh darwin build ./dot_config/flake#darwinConfigurations.${{matrix.hostname}} --no-nom -- --cores 1 -j1 

    - name: download last artifact
      uses: dawidd6/action-download-artifact@v11
      with: 
        workflow: main.yml
        workflow_conclusion: success
        name: ${{ matrix.os }}-${{ matrix.hostname }}-result
        if_no_artifact_found: ignore

    - run: ls -la

    - name: upload
      uses: eviden-actions/upload-artifact@v2.0.0
      with:
        name: ${{ matrix.os }}-${{ matrix.hostname }}-result
        path:
          result/*

    - name: extract result
      run: |
        tar -xvf ${{ matrix.os }}-${{ matrix.hostname }}-result.tar last-result || true

    - name: diff
      run: |
        nix run nixpkgs#nvd -- diff last-result result || true