check_r.yml

name: Check R Version

on:
  schedule:
    - cron: '0 4 * * 6'

jobs:
  updateR:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Install libs
        run: sudo apt-get update && sudo apt-get install curl jq -y
      - name: Get Latest R Release
        id: r-version
        run: |
          echo "release_tag=$(curl 'https://cran.rstudio.com/src/base/R-4/' | grep -oP 'href="R-\K[0-9]+\.[0-9]+\.[0-9]+' | sort -t. -rn -k1,1 -k2,2 -k3,3 | head -1)" >> $GITHUB_OUTPUT
          echo "current_tag=$(<R-version.txt)" >> $GITHUB_OUTPUT
      - name: Update R-version.txt
        if: steps.r-version.outputs.current_tag != steps.r-version.outputs.release_tag
        env:
          RELEASE_TAG: ${{ steps.r-version.outputs.release_tag }}
        run: |
          # Update current release
          echo ${{ steps.r-version.outputs.release_tag }} > R-version.txt
      - name: Update Readme.md & Dockerfile
        uses: jacobtomlinson/gha-find-replace@master
        with:
          find: ${{ steps.r-version.outputs.current_tag }}
          replace: ${{ steps.r-version.outputs.release_tag }}
      - name: Create Pull Request
        uses: peter-evans/create-pull-request@v7
        with:
          commit-message: Update R to ${{ steps.r-version.outputs.release_tag }}
          title: Update R to ${{ steps.r-version.outputs.release_tag }}
          body: |
            Updates [r-version][1] to ${{ steps.r-version.outputs.release_tag }}
            Auto-generated by [create-pull-request][2]
            [1]: https://cran.rstudio.com/src/base/R-4/
            [2]: https://github.com/peter-evans/create-pull-request
          labels: dependencies, automated pr
          branch: R-updates
          token: ${{ secrets.REPO_SCOPED_TOKEN }}