deploy_bookdown.yml

on:
  push:
    branches:
      - main
      - master
  pull_request:
    branches:
       - main
       - master
env:
  RENV_PATHS_ROOT: ~/.local/share/renv


name: renderbook

jobs:
   
  bookdown:
    name: Render-Book
    runs-on: ubuntu-latest
    steps:
      - name: Install dependencies
        run: |
          sudo apt-get update -qq \
          && sudo apt-get install -y --no-install-recommends \
            gdal-bin \
            lbzip2 \
            libfftw3-dev \
            libgdal-dev \
            libgeos-dev \
            libgsl0-dev \
            libgl1-mesa-dev \
            libglu1-mesa-dev \
            libhdf4-alt-dev \
            libhdf5-dev \
            libjq-dev \
            libpq-dev \
            libproj-dev \
            libprotobuf-dev \
            libnetcdf-dev \
            libsqlite3-dev \
            libssl-dev \
            libudunits2-dev \
            lsb-release \
            netcdf-bin \
            postgis \
            protobuf-compiler \
            sqlite3 \
            tk-dev \
            unixodbc-dev

      - name: Checkout repo
        uses: actions/checkout@v2

      - name: Setup R
        uses: r-lib/actions/setup-r@master
        with:
          r-version: '4.0.4'

      - name: Install pandoc
        run: |
          brew install pandoc

      - name: Cache Renv packages
        uses: actions/cache@v2
        with:
          path: $HOME/.local/share/renv
          key: r-${{ hashFiles('renv.lock') }}
          restore-keys: r-

      - name: Cache bookdown results
        uses: actions/cache@v2
        with:
          path: _bookdown_files
          key: bookdown-${{ hashFiles('**/*Rmd') }}
          restore-keys: bookdown-

      - name: Install packages
        run: |
          R -e 'install.packages("renv")'
          R -e 'renv::restore()'

      - name: Build site
        run: Rscript -e 'bookdown::render_book("index.Rmd", quiet = TRUE)'
        
      - uses: actions/upload-artifact@v1
        with:
          name: _book
          path: _book/
  
# Need to first create an empty gh-pages branch
# see https://pkgdown.r-lib.org/reference/deploy_site_github.html
# and also add secrets for a GH_PAT and EMAIL to the repository
# gh-action from Cecilapp/GitHub-Pages-deploy
  checkout-and-deploy:
   runs-on: ubuntu-latest
   needs: bookdown
   if: github.event_name == 'push'
   steps:
     - name: Checkout
       uses: actions/checkout@master
     - name: Download artifact
       uses: actions/download-artifact@v1.0.0
       with:
         # Artifact name
         name: _book # optional
         # Destination path
         path: _book # optional
     - name: Deploy to GitHub Pages
       uses: Cecilapp/GitHub-Pages-deploy@master
       env:
          EMAIL: ${{ secrets.EMAIL }}               # must be a verified email
          GH_TOKEN: ${{ secrets.GH_PAT }} # https://github.com/settings/tokens
          BUILD_DIR: _book/                     # "_site/" by default