name: Reconcile labels
description: Converge PR state and optionally bootstrap the label taxonomy
inputs:
  bootstrap:
    description: Whether to bootstrap labels before reconciling (yes or no)
    required: true
    default: "no"
runs:
  using: composite
  steps:
    - name: validate bootstrap input
      shell: bash
      env:
        BOOTSTRAP: ${{ inputs.bootstrap }}
      run: |
        case "$BOOTSTRAP" in
          yes | no) ;;
          *) echo "bootstrap must be 'yes' or 'no'" >&2; exit 2 ;;
        esac
    - name: reconcile labels
      shell: bash
      env:
        BOOTSTRAP: ${{ inputs.bootstrap }}
        LABELS_CONF: ${{ github.workspace }}/.github/labels.conf
      run: |
        # BOOTSTRAP passes through as-is: the script gates on the input. The
        # export-the-event-name hack that lived here died with ceremony#215 —
        # the script keyed on GITHUB_EVENT_NAME, which #209 made true for
        # every machine wake, so "no" could never mean no.
        bash "$GITHUB_ACTION_PATH/labels-reconcile.sh"