bookdown.yml

on:
  push:
    branches:
      - master
  pull_request:
    branches:
      - master

name: booklet

jobs:
  bookdown:
    name: build-bookdown
    runs-on: ubuntu-latest
    env:
      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
      RENV_PATHS_ROOT: ~/.local/share/renv

    steps:
      - name: Checkout repo
        uses: actions/checkout@v3

      #- name: Setup upterm session
        #uses: lhotari/action-upterm@v1

      - name: Setup R
        uses: r-lib/actions/setup-r@v2

      - name: Install pandoc
        uses: r-lib/actions/setup-pandoc@v2

      - name: Install tinyTeX
        uses: r-lib/actions/setup-tinytex@v2

      - name: Install system dependencies
        run: |
          sudo apt install -y curl libcurl4-doc libcurl4-openssl-dev libmagick++-dev libpoppler-cpp-dev texlive-extra-utils ghostscript

      - name: Install rmarkdown, bookdown and sysfonts
        run: Rscript -e 'install.packages(c("sysfonts","rmarkdown","bookdown"))'

      - name: Cache R packages
        uses: actions/cache@v3
        with:
          path: ${{ env.RENV_PATHS_ROOT }}
          key: ${{ runner.os }}-renv-${{ hashFiles('**/renv.lock') }}
          restore-keys: |
            ${{ runner.os }}-renv-

      - name: Restore R packages
        shell: Rscript {0}
        run: |
          if (!requireNamespace("renv", quietly = TRUE)) install.packages("renv")
          renv::restore()

      - name: Cache bookdown results
        uses: actions/cache@v3
        with:
          path: _bookdown_files
          key: bookdown-2-${{ hashFiles('**/*Rmd') }}
          restore-keys: bookdown-2-

      - name: Render book HTML
        run: |
          Rscript -e 'bookdown::clean_book(TRUE)'
          Rscript -e 'bookdown::render_book("index.Rmd", quiet = TRUE)'

      - name: Render book PDF
        run: |
          Rscript -e 'bookdown::render_book("index.Rmd", "bookdown::pdf_book")'

      - uses: actions/upload-artifact@v3
        with:
          name: _handbook
          path: _handbook/

# 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 https://github.com/Cecilapp/GitHub-Pages-deploy
  checkout-and-deploy:
    runs-on: ubuntu-latest
    needs: bookdown
    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Download Artifact
        uses: actions/download-artifact@v3
        with:
          # Artifact name
          name: _handbook                      # optional
          # Destination path
          path: _handbook                      # optional

      - name: Abbreviate Git SHA
        run: echo "GITHUB_SHA_SHORT=$(git rev-parse --short $GITHUB_SHA)" >> $GITHUB_ENV

      - name: Deploy to GitHub Pages
        uses: Cecilapp/GitHub-Pages-deploy@v3
        if: github.event_name != 'pull_request'
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          email: ${{ secrets.EMAIL }}      # must be a GitHub-verified email
          build_dir: _handbook/            # "_site/" by default
          commit_message: Update book via ${{ env.GITHUB_SHA_SHORT }}