name: NixOS manual checks

on:
  pull_request:
    branches-ignore:
      - 'release-**'
    paths:
      - 'nixos/**/*.xml'
      - 'nixos/**/*.md'

jobs:
  tests:
    runs-on: ubuntu-latest
    if: github.repository_owner == 'NixOS'
    steps:
    - uses: actions/checkout@v2
    - uses: cachix/install-nix-action@v12
    - name: Check DocBook files generated from Markdown are consistent
      run: |
        nixos/doc/manual/md-to-db.sh
        git diff --exit-code