update-cpplibrary.yaml

name: Update C++ Library Component

on:
  schedule:
    - cron: "0 0 * * *"
  workflow_dispatch:

jobs:
  update:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout R package repo
        uses: actions/checkout@v2

      - name: Check for new release
        id: check_release
        run: |
          API_URL="https://api.github.com/repos/jolars/qualpal/releases/latest"
          NEW_VERSION=$(curl -s $API_URL | jq -r '.tag_name' | tr -d 'v')
          CURRENT_VERSION=$(cat src/qualpal/version.txt)
          if [[ "$NEW_VERSION" != "$CURRENT_VERSION" ]]; then
            RELEASE_URL=$(curl -s $API_URL | grep "tarball_url" | cut -d '"' -f 4)
            echo "release_url=$RELEASE_URL" >> $GITHUB_OUTPUT
            echo "new_version=$NEW_VERSION" >> $GITHUB_OUTPUT
            echo "update_needed=true" >> $GITHUB_OUTPUT
          else
            echo "update_needed=false" >> $GITHUB_OUTPUT
          fi

      - name: Download and extract new release
        if: steps.check_release.outputs.update_needed == 'true'
        run: |
          mkir -p tmp
          curl -L "${{ steps.check_release.outputs.release_url }}" | tar -xz --strip-components=1 -C tmp
          rm -rf src/slope
          cp -ri tmp/src/slope src/
          rm -rf tmp

      - name: Write new version number
        if: steps.check_release.outputs.update_needed == 'true'
        run: |
          echo "${{ steps.check_release.outputs.new_version }}" > src/qualpal/version.txt

      - name: Create PR
        if: steps.check_release.outputs.update_needed == 'true'
        uses: peter-evans/create-pull-request@v3
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          commit-message: "chore(deps): update qualpal c++ library to ${{ steps.check_release.outputs.new_version }}"
          title: "Update qualpal C++ library to ${{ steps.check_release.outputs.new_version }}"
          body: This PR updates the qualpal C++ library to the latest release.