styler.yml

name: Style R

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

jobs:
  style:
    runs-on: ubuntu-20.04

    steps:
    - uses: actions/checkout@v3

    - uses: r-lib/actions/setup-r@v1
      with:
        r-version: 4.0.5

    - name: Install dependencies
      run: |
        R -e "install.packages(c('styler', 'roxygen2', 'knitr'))"

    - name: Style code
      run: |
        R -e 'styler::style_pkg()'

    - name: Check if there are any changes
      id: verify_diff
      run: |
        git diff --quiet . || echo "changed=true" >> $GITHUB_OUTPUT

    - name: Commit changes
      if: steps.verify_diff.outputs.changed == 'true'
      run: |
        git config --global user.name 'github-actions[bot]'
        git config --global user.email 'github-actions[bot]@users.noreply.github.com'
        git commit -am "Apply automatic stylistic changes"
        git push
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}