name: Build NixOS (on demand)

on:
  workflow_dispatch:
    inputs:
      hosts:
        description: 'list of hosts to build'
        required: true
        default: 'othalan algiz'
        type: string
      lockFile:
        description: 'flake.lock file'
        type: string

  workflow_call:
    inputs:
      hosts:
        description: 'list of hosts to build'
        default: 'othalan algiz'
        type: string

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

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - uses: ./.github/actions/clean-disk

      - uses: DeterminateSystems/nix-installer-action@v12
        with:
          extra-conf: |
            accept-flake-config = true

      - uses: DeterminateSystems/magic-nix-cache-action@v7

      - uses: cachix/cachix-action@v15
        with:
          name: daylin
          authToken: "${{ secrets.CACHIX_AUTH_TOKEN }}"

      - name: write lock file
        if: "${{ inputs.lockFile != '' }}"
        run: |
          echo '${{ inputs.lockFile }}' > flake.lock
          git diff

      - name: Build
        run: |
          for host in ${{ inputs.hosts }}; do
            nix run . \
              -- \
              build --minimal \
                --host "$host" \
                --flake . \
                --verbose \
                --debug \
                -- \
                --print-build-logs
          done