# Reference: https://github.com/ryoppippi/dotfiles/blob/main/.github/workflows/nix-build.yaml
name: "CI: NixOS"
on:
  push:
    branches:
      - main
    paths:
      - flake.nix
      - flake.lock
      - "flake/**"
      - "hosts/**"
      - "libs/**"
      - "modules/**"
      - "overlays/**"
      - "shells/**"
      - "tests/**"
      - ".github/actions/check-nixos/**"
      - ".github/actions/setup-nix/**"
      - ".github/workflows/nixos.yaml"
  pull_request:
    paths:
      - flake.nix
      - flake.lock
      - "flake/**"
      - "hosts/**"
      - "libs/**"
      - "modules/**"
      - "overlays/**"
      - "shells/**"
      - "tests/**"
      - ".github/actions/check-nixos/**"
      - ".github/actions/setup-nix/**"
      - ".github/workflows/nixos.yaml"
  workflow_dispatch:
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true
permissions:
  contents: read
jobs:
  check:
    name: Check all NixOS configurations
    runs-on: ubuntu-latest
    timeout-minutes: 120
    steps:
      - name: Checkout repository
        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
      - name: Setup Nix
        uses: ./.github/actions/setup-nix
      - name: Check NixOS configurations
        uses: ./.github/actions/check-nixos