calculate_checksum.yml

name: Calculate Checksum

on:
  workflow_run:
    workflows: ["Cut Release and Create Source Tarball"]
    types:
      - completed

jobs:
  calculate-checksum:
    runs-on: ubuntu-latest
    if: github.event.workflow_run.conclusion == 'success'

    steps:
    - name: Extract version
      id: get_version
      run: |
        TAG="${{ github.event.workflow_run.head_branch }}"
        echo "VERSION=${TAG#offscreen-}" >> $GITHUB_ENV

    - name: Download tarball artifact
      uses: dawidd6/action-download-artifact@v11
      with:
        name: offscreen-${{ env.VERSION }}.tar.gz
        run_id: ${{ github.event.workflow_run.id }}

    - name: Calculate SHA256 checksum
      run: sha256sum offscreen-${{ env.VERSION }}.tar.gz > offscreen-${{ env.VERSION }}.sha256

    - name: Upload checksum artifact
      uses: actions/upload-artifact@v5
      with:
        name: offscreen-${{ env.VERSION }}.sha256
        path: offscreen-${{ env.VERSION }}.sha256