nix.yml

---
name: nix

on:
  push:
    branches:
      - main
  pull_request:

jobs:
  check:
    runs-on: ubuntu-latest
    name: nix flake check

    steps:
    - uses: actions/checkout@v4

    - uses: DeterminateSystems/nix-installer-action@v9

    - name: Running `nix flake check` on flakes
      run: |
        files=$(find . -name '*flake.nix')
        IFS=$'\n'; for file in $files; do
          flake_dir=$(dirname "$file")
          echo "Running nix flake check on $file"
          nix flake check "$flake_dir"
        done

  formatting:
    runs-on: ubuntu-latest
    name: alejandra

    steps:
    - uses: actions/checkout@v4

    - uses: DeterminateSystems/nix-installer-action@v9

    - name: installing alejandra
      # We're reusing the version from the neovim configuration so that we get expect
      # exactly the same style locally and in the CI.
      run: nix profile install ./flakes/nvim/#alejandra

    - name: running alejandra on nix scripts
      run: |
        files=$(find . -name '*.nix')
        IFS=$'\n'; for file in $files; do
          echo "Running alejandra on $file"
          alejandra --check "$file"
        done