update-release.yml

name: Clean release
permissions: {}
on:
  workflow_run:  # Triggered when long running macos workflow ends
    workflows: [macos]
    types: [completed]
    # branches: [main]

jobs:
 clean-release:
    permissions:
      contents: write  # Release upload
    env:
      GH_TOKEN: ${{ github.token }}
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Clean old release assets
        run: |
          # Total assets from each main branch commmit:
          # Python wheels (4x4) + Viewer (3) + C++ libs (4+2+2) = 27,
          release_assets=($(gh release view main-devel --json assets --jq '.assets[] | .name'))
          last_shas=($(git log --pretty=format:%h --abbrev-commit -n 3))
          echo "Removing release assets except from last 3 commits: ${last_shas[@]}"
          for relass in "${release_assets[@]}"; do
              found=false
              for last_sha in "${last_shas[@]}"; do
                  if [[ $relass == *${last_sha}* ]]; then
                      found=true
                  fi
              done
              if [ $found == false ]; then
                  set -x
                  gh release delete-asset main-devel $relass
                  set +x
              fi
          done
          gh release view main-devel