empty-dir-on-delete-branch.yaml

name: Cleanup branch on delete

on: [delete, workflow_dispatch]

jobs:
  delete:
    if: github.event.ref_type == 'branch'
    name: 🗑 Cleanup dir on branch delete
    runs-on: ubuntu-latest
    steps:
      - name: 🛂 Extract branch name
        shell: bash
        run: |
          if [ ! "${{ github.event.ref }}" ];then
            exit 1
          fi

          HEAD_REF=$(printf "%q" "${{ github.event.ref }}")
          
          echo "Branch name is $HEAD_REF"
          
          HEAD_REF=${HEAD_REF/refs\/heads\//}
          HEAD_REF=${HEAD_REF/\//-}
          
          echo "Sanitized branch name is $HEAD_REF"

          if [ ! "$(eval printf "%s" "$HEAD_REF")" ];then
            exit 1
          fi

          if [[ -z "$GITHUB_OUTPUT" ]]; then
            echo "::set-output name=branch::$(eval printf "%s" "$HEAD_REF")"
          else
            echo "branch=$(eval printf "%s" "$HEAD_REF")" >> "$GITHUB_OUTPUT"
          fi
        id: extract_branch

      - name: 🧹 Clean deleted branch
        uses: garygrossgarten/github-action-ssh@0.7.0
        with:
          # always verify that the target directory is not an empty string, then delete it
          command: pwd ; ls -la ./${{ steps.extract_branch.outputs.branch }} ; if [ ! "${{ steps.extract_branch.outputs.branch }}" ];then exit 1; fi ; rm -rf ./${{ steps.extract_branch.outputs.branch }}
          host: ${{ secrets.SERVER }}
          username: ${{ secrets.USER }}
          privateKey: ${{ secrets.SSH_KEY}}