name: fmt check

on:
  push:
    paths:
      - "**.nix"
jobs:
  check:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: install nix action
        uses: https://github.com/DeterminateSystems/nix-installer-action@v5
        with:
          github-token: ${{ secrets.GH_TOKEN }}
      - run: nix run nixpkgs#alejandra -- -c .