name: "Validate flake & check formatting"
on:
  pull_request:
  workflow_dispatch:
  push:
    branches:
      - main
    paths-ignore:
      - .github/**
      - assets/**
      - .gitignore
jobs:
  nix-flake-check:
    name: Validate Flake
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: cachix/install-nix-action@v20
        with:
          extra_nix_config: |
            access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
      - run: nix flake check

  format-with-alejandra:
    name: Formatting via Alejandra
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: cachix/install-nix-action@v20
        with:
          install_url: https://nixos.org/nix/install
          extra_nix_config: |
            auto-optimise-store = true
            experimental-features = nix-command flakes
      - run: nix run nixpkgs#alejandra -- -c .