name: Nix Format Check

on:
  pull_request:
  push:
    branches: [ master ]

jobs:
  check-format:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      
      - name: Install Nix
        uses: cachix/install-nix-action@v25
        
      - name: Install nixfmt
        run: nix-env -i nixfmt
        
      - name: Check Nix formatting
        run: |
          find . -name "*.nix" -type f -exec nixfmt {} \;
          if git diff --quiet; then
            echo "All Nix files are properly formatted"
          else
            echo "Error: Some Nix files are not properly formatted"
            git diff
            exit 1
          fi