render_readme.yaml

# Name of the workflow
name: render-readme

# Controls when the action will run. Triggers include:
#
# - button trigger from github action page
# - on changes to readme.Rmd

on:
  workflow_dispatch:
  push:
    paths:
      - 'README.Rmd'

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

# A workflow run is made up of one or more jobs that can run sequentially or in parallel
jobs:
  render-readme:
    runs-on: macos-latest
    env:
      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
    steps:
      - name: Checkout repos
        uses: actions/checkout@v3

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

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

      - name: Install dependencies
        uses: r-lib/actions/setup-r-dependencies@v2
        with:
          extra-packages: any::rmarkdown

      - name: Install package
        run: R CMD INSTALL .

      - name: Compile the readme
        run: |
          rmarkdown::render("README.Rmd")
        shell: Rscript {0}

      - name: Commit files
        run: |
          git config --local user.email "action@github.com"
          git config --local user.name "GitHub Action"
          git add README.md 
          git diff-index --quiet HEAD || git commit -m "Automatic readme update"
          git status -sb | grep -q ahead && git push origin