name: Manpage

on:
  - push
#  push:
#    branches:
#      - trunk

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
      with:
        fetch-depth: 0

    - name: Install Nix
      uses: cachix/install-nix-action@v26
      with:
        install_url: https://releases.nixos.org/nix/nix-2.18.1/install

    - name: Build Man Page to HTML
      run: |
        mkdir -p dist
        nix run -L nixpkgs#mandoc -- -T html -O style=mandoc.css ./dged.1 > dist/dged.1.html
        cp mandoc.css dist/

    - name: Upload Artifact
      uses: actions/upload-pages-artifact@v3
      with:
        path: ./dist/

  deploy:
    needs: build

    # Grant GITHUB_TOKEN the permissions required to make a Pages deployment
    permissions:
      pages: write      # to deploy to Pages
      id-token: write   # to verify the deployment originates from an appropriate source

    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}

    runs-on: ubuntu-latest
    steps:
      - name: Deploy to GitHub Pages
        id: deployment
        uses: actions/deploy-pages@v4