name: gh-pages

on:
    push:
        branches:
            - master
        paths:
            - "**.h"
            - "**.hpp"
            - "**.dox"
            - "**.md"
            - "docs/**"
            - "**/gh-pages.yaml"
    workflow_dispatch:

jobs:
    gh-pages:
        runs-on: ubuntu-latest

        defaults:
            run:
                shell: bash

        steps:
            - uses: actions/checkout@v4
              with:
                  fetch-depth: 0

            - name: Install dependencies
              run: |
                  sudo apt -y update
                  sudo apt -y install --no-install-recommends git python3 python3-pip doxygen
                  sudo -H pip3 install --upgrade poxy

            - name: Generate docs
              run: |
                  git fetch origin master:refs/remotes/origin/master --tags --force
                  git remote set-head origin -a
                  git checkout master
                  git pull --force
                  cd docs
                  poxy --verbose --git-tags

            - name: Deploy
              uses: peaceiris/actions-gh-pages@v3
              with:
                  github_token: ${{ secrets.GITHUB_TOKEN }}
                  publish_dir: ./docs/html