name: Remove public build of a deleted branch

on:
  delete:

permissions:
  contents: write

jobs:
  cleanup:
    if: github.event.ref_type == 'branch'
    runs-on: ubuntu-24.04
    steps:
      - name: Delete the rolling release of the branch
        env:
          GH_TOKEN: ${{ github.token }}
          GH_REPO: ${{ github.repository }}
          BRANCH: ${{ github.event.ref }}
        run: |
          slug="$(printf '%s' "$BRANCH" | tr '/ ' '--' | tr -cd '[:alnum:]._-')"
          gh release delete "build-$slug" --yes --cleanup-tag || true