yarn-upgrade.yml

name: Yarn Upgrade

on:
  workflow_dispatch:
  schedule:
    - cron: '0 0 1 * *'

jobs:
  yarn_dedupe:
    name: "Yarn upgrade"

    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v3

      - name: Use Node.js 20.x
        uses: actions/setup-node@v3
        with:
          node-version: 20.x

      - name: Yarn set latest version
        run: |
          yarn set version latest --yarn-path

      - name: Detect version changes
        id: verify_diff
        run: |
          git diff --quiet . || echo "deduped_changes=true" >> $GITHUB_OUTPUT

      - name: Commit changes
        if: steps.verify_diff.outputs.deduped_changes == 'true'
        run: |
          export YARN_VERSION="$(yarn --version)"
          git checkout -B "yarn_upgrade/$YARN_VERSION"
          git config user.name "Joris Aerts"
          git config user.email "github@jorisaerts.com"
          git add --al
          git commit -a -m "Bump Yarn to $YARN_VERSION"
          git push --set-upstream origin "yarn_upgrade/$YARN_VERSION"

      - name: Create pull request
        if: steps.verify_diff.outputs.deduped_changes == 'true'
        run: |
          export YARN_VERSION="$(yarn --version)"
          export UPGRADE_BRANCH="yarn_upgrade/$YARN_VERSION"
          gh pr create -B main -H "$UPGRADE_BRANCH" --title "Bump Yarn to $YARN_VERSION" --body "Bump Yarn to version $YARN_VERSION" --label "dependencies"
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}