name: Update github pages

on:
  push:
    branches:
      - master

jobs:
  update_github_pages:
    if: github.repository == 'ru-de/faq'
    runs-on: ubuntu-18.04
    steps:
      - uses: actions/checkout@v2
        with:
          fetch-depth: 100
      - name: update
        run: |
          git config --global user.email "actions@github.com"
          git config --global user.name "Github Actions"
          git -c protocol.version=2 fetch --no-tags --prune --progress --no-recurse-submodules --depth=1 origin gh-pages
          git checkout gh-pages
          bash update.sh > /dev/null 2>&1
          git add pages
          if ! git diff HEAD --quiet; then git commit -q -am "sync github pages" && git push; fi