release.yml

name: Release Buildpack

on:
  # Auto-trigger when the "Prepare release" PR (created by the
  # _classic-buildpack-prepare-release.yml workflow) is merged.
  pull_request:
    branches:
      - main
    types:
      - closed
  workflow_dispatch:

permissions:
  id-token: write
  contents: write

jobs:
  release:
    name: Release
    # On `pull_request`, only run for the merged auto-generated
    # "Prepare release" PR (branch name set by
    # _classic-buildpack-prepare-release.yml). Manual dispatches always run.
    if: >-
      github.event_name == 'workflow_dispatch' ||
      (github.event.pull_request.merged == true &&
       github.event.pull_request.head.repo.full_name == github.repository &&
       github.event.pull_request.head.ref == 'prepare-release' &&
       github.event.pull_request.user.login == 'heroku-linguist[bot]')
    uses: heroku/languages-github-actions/.github/workflows/_classic-buildpack-publish.yml@latest
    with:
      buildpack_id: "heroku/python"
      app_id: ${{ vars.LINGUIST_GH_APP_ID }}
    secrets:
      app_private_key: ${{ secrets.LINGUIST_GH_PRIVATE_KEY }}
      slack_webhook_url: ${{ secrets.BUILDPACK_RELEASE_FAILURE_WEBHOOK_URL }}
      honeycomb_api_key: ${{ secrets.HONEYCOMB_API_KEY }}