prune_branches.yml

name: Prune merged preview branches

on:
  workflow_dispatch:

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:

  prune_branches:
    runs-on: ubuntu-latest
    permissions:
      contents: write
      pull-requests: write
    steps:
    - name: Checkout current repo
      uses: actions/checkout@v3
      with:
        fetch-depth: 0
    - name: Run prune_branches script
      run: |
        BRANCHES=($(git branch -r | sed 's/^[[:space:]]*origin\///'))
        if [ ${#BRANCHES[@]} -gt 0 ]; then
          ./prune_merged_preview_branches.sh "${BRANCHES[@]}"
        else
          echo "No branches to prune."
        fi
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}