bump-brew.yml

name: Bump Homebrew formula

# Fires when a draft release on this repo is *published*. The cto release
# pipeline (Engine-Labs/cto-monorepo: _release-cli.yml) creates the draft;
# a human reviews and clicks Publish; that publish event triggers this
# workflow, which dispatches the bump workflow on Engine-Labs/homebrew-cto.

on:
  release:
    types: [published]
  workflow_dispatch:
    inputs:
      version:
        description: "Version to bump to (no leading 'v', e.g. 5.71.0). Defaults to the published release tag."
        required: false
        type: string

permissions:
  contents: read

jobs:
  dispatch-bump:
    # Skips silently until the engine-labs-homebrew-cto App is provisioned
    # and BREW_TAP_APP_ID is set as an org/repo variable. This lets the
    # workflow be committed now without breaking release publishes.
    if: ${{ vars.BREW_TAP_APP_ID != '' }}
    runs-on: ubuntu-latest
    steps:
      - name: Resolve + validate version
        id: ver
        env:
          INPUT_VERSION: ${{ inputs.version }}
          RELEASE_TAG: ${{ github.event.release.tag_name }}
        run: |
          if [ -n "$INPUT_VERSION" ]; then
            VER="$INPUT_VERSION"
          else
            VER="${RELEASE_TAG#v}"
          fi
          if ! [[ "$VER" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
            echo "Version '$VER' is not clean semver (X.Y.Z); skipping." >&2
            exit 1
          fi
          echo "version=$VER" >> "$GITHUB_OUTPUT"
          echo "Will dispatch bump for version: $VER"

      - name: Generate App token for Engine-Labs/homebrew-cto
        id: app-token
        uses: actions/create-github-app-token@v3
        with:
          app-id: ${{ vars.BREW_TAP_APP_ID }}
          private-key: ${{ secrets.BREW_TAP_APP_PRIVATE_KEY }}
          owner: Engine-Labs
          repositories: homebrew-cto

      - name: Dispatch bump workflow
        env:
          GH_TOKEN: ${{ steps.app-token.outputs.token }}
          VERSION: ${{ steps.ver.outputs.version }}
        run: |
          gh workflow run bump.yml \
            --repo Engine-Labs/homebrew-cto \
            --ref main \
            -f version="$VERSION"
          echo "Dispatched bump.yml on Engine-Labs/homebrew-cto for v${VERSION}"