Size Metrics workflow with only size_diff_report job

size_metrics.yml

name: Size Metrics

...
# content is omitted as it's already shown earlier
...

env:
  size_diff_report_file: apk_size_diff_report.html

jobs:
  build:
    ...
    # content is omitted as it's already shown earlier
    ...

  size_diff_report:
    needs: build
    name: Size Report
    runs-on: ubuntu-latest

    steps:
      # Step 1
      - uses: actions/checkout@v3
      
      # Step 2
      - uses: actions/download-artifact@v3
        with:
          name: ${{ needs.build.outputs.head_short_sha }}.apk

      # Step 3
      - uses: actions/download-artifact@v3
        with:
          name: ${{ needs.build.outputs.base_short_sha }}.apk

      # Step 4
      # here we use our custom python script to generate file matching size_diff_report_file
      - name: Generate size report
        run: |
          chmod +x ./.github/scripts/compare_apks.py
          python3 ./.github/scripts/compare_apks.py ${{ needs.build.outputs.base_short_sha }} ${{ needs.build.outputs.head_short_sha }}

      # Step 5
      - name: Upload Size Report html file
        uses: actions/upload-artifact@v3
        with:
          name: ${{ env.size_diff_report_file }}
          path: ${{ env.size_diff_report_file }}