nix-build.yaml

name: Build Hyprpaper (Nix)

on: [push, pull_request, workflow_dispatch]
jobs:
  nix:
    name: "Build"
    runs-on: ubuntu-latest
    steps:
    - name: Clone repository
      uses: actions/checkout@v3
      with:
        submodules: recursive

    - name: Install Nix
      uses: nixbuild/nix-quick-install-action@v31
      with:
        nix_conf: |
          keep-env-derivations = true
          keep-outputs = true

    - name: Restore and save Nix store
      uses: nix-community/cache-nix-action@v6
      with:
        # restore and save a cache using this key
        primary-key: nix-${{ runner.os }}-${{ hashFiles('**/*.nix', '**/flake.lock') }}
        # if there's no cache hit, restore a cache by this prefix
        restore-prefixes-first-match: nix-${{ runner.os }}-
        # collect garbage until the Nix store size (in bytes) is at most this number
        # before trying to save a new cache
        # 1G = 1073741824
        gc-max-store-size-linux: 1G
        # do purge caches
        purge: true
        # purge all versions of the cache
        purge-prefixes: nix-${{ runner.os }}-
        # created more than this number of seconds ago
        purge-created: 0
        # or, last accessed more than this number of seconds ago
        # relative to the start of the `Post Restore and save Nix store` phase
        purge-last-accessed: 0
        # except any version with the key that is the same as the `primary-key`
        purge-primary-key: never

    - uses: cachix/cachix-action@v12
      with:
        name: hyprland
        authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'

    - name: Build Hyprpaper with default settings
      run: nix build --print-build-logs --accept-flake-config