update-cache.yml

name: Update Package Cache
on:
  push:
    branches:
      - master
    paths-ignore:
      - 'docs/**' 
  schedule:
    - cron:  '0 0/6 * * *'
  repository_dispatch:
    types: rebuild-cache
  workflow_dispatch:  
jobs:
  update-cache:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - uses: actions/setup-node@v1
        with:
          node-version: '12.x'
      - name: Update package cache
        run: |
          mv cache.json cache-old.json
          npm --no-save --no-package-json install @qooxdoo/compiler
          npx qx config set github.token "${{ secrets.PAT }}"
          npx qx package update --verbose --search --all-versions --file cache.json
          if git diff --quiet --exit-code; then
            echo "No changes"
          else
            echo "Changes found"
            NUM_REPOS_OLD=$(jq -r ".repos.list | length" cache-old.json)
            NUM_REPOS_NEW=$(jq -r ".repos.list | length" cache.json) 
            if [[ $NUM_REPOS_NEW > $NUM_REPOS_OLD ]]; then 
              echo "CREATE_PR=1" >> $GITHUB_ENV
              echo "At least one new repository detected, creating PR"
            else 
              echo "COMMIT_UPDATE=1" >> $GITHUB_ENV
              echo "Committing changes"
            fi
          fi
          rm cache-old.json
      - name: Commit updated cache
        if: ${{ env.COMMIT_UPDATE }}
        uses: stefanzweifel/git-auto-commit-action@v4
        with:
          commit_message: Commit cache update
      - name: Create Pull Request
        if: ${{ env.CREATE_PR }}
        uses: peter-evans/create-pull-request@v3
        with:
          commit-message: Update package cache
          token: ${{ secrets.PAT }}
          title: Automated Cache Updates
          body: This is an auto-generated PR with updates to the package cache
          branch: update-cache