Automated build the Jekyll website from repository with a source and public it to othre repository wich use Github Pages

jekyll.yml

name: Jekyll site CI

on:
  push:
    branches: [ master ]
  pull_request:
    branches: [ master ]

jobs:
  build:

    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v2

    - uses: actions/checkout@v2
      with:
          repository: ${{ secrets.GH_PAGES_REPO }}
          token: ${{ secrets.JEKYLL_PAT }}
          path: _site
          fetch-depth: 0

    - uses: actions/cache@v1
      with:
        path: vendor/bundle
        key: ${{ runner.os }}-gems-${{ hashFiles('**/Gemfile.lock') }}
        restore-keys: |
            ${{ runner.os }}-gems-

    - name: Build the website in the jekyll/builder container
      run: |
        U_ID="$(id -u):$(id -g)"
        docker run \
        -v ${{ github.workspace }}:/srv/jekyll \
        -v ${{ github.workspace }}/_site:/srv/jekyll/_site \
        -v ${{ github.workspace }}/vendor/bundle:/usr/local/bundle \
        jekyll/builder:latest /bin/bash -c "chmod 777 /srv/jekyll && jekyll build --future --trace && chown -R $U_ID /srv/jekyll/_site"
    - name: Push builded site to Github Pages
      run: |
        cd _site
        git config --global user.name "${{ github.ACTOR }}"
        git config --global user.email "${{ github.ACTOR }}@users.noreply.github.com"
        if [[ $(git status -s) ]]; then
            git add .
            git commit -am "Automated build wesite"
            git push origin master
        else
            echo nothing changes
        fi