release-nixos.yml

name: Release Nix image
on:
  push:
    tags:
      - nixos-stable
      - nixos-testing
    paths:
      - 'nixos/**.nix'
      - 'nixos-options/**.nix'
      - flake.nix
      - flake.lock
      - .github/workflows/release-nixos.yml

permissions:
  contents: write
  discussions: write

jobs:
  gh-release-packer:
    runs-on: ubuntu-latest
    name: Release nix image
    steps:
      - uses: actions/checkout@v4
      - uses: DeterminateSystems/nix-installer-action@main
      - uses: DeterminateSystems/magic-nix-cache-action@main

      - name: Build production image
        id: build-stable
        if: github.ref == 'refs/tags/nixos-stable'
        run: nix build .#nixosConfigurations.initial-contabo.config.formats.qcow
        
      - name: Build testing image
        id: build-testing
        if: github.ref == 'refs/tags/nixos-testing'
        run: nix build .#nixosConfigurations.initial.config.formats.qcow

      - name: Release
        uses: softprops/action-gh-release@v1
        with:
          tag_name: ${{ github.ref_name }}
          token: "${{ secrets.GITHUB_TOKEN }}"
          generate_release_notes: true
          files: |
            result/nixos.qcow2