action.yml

name: "Setup bk"
author: "Buildkite"
description: "Install Buildkite CLI (bk)"
branding:
  icon: terminal
  color: green
runs:
  # TODO: Convert to a JavaScript action which uses the tool cache, like:
  # https://docs.github.com/en/actions/sharing-automations/creating-actions/developing-a-third-party-cli-action#example
  using: "composite"
  steps:
  - shell: bash
    run: |
      set -ex

      tag=$(curl -s -u "username:${{ github.token }}" https://api.github.com/repos/buildkite/cli/releases/latest | jq -r ".tag_name")

      version=${tag#v}

      case ${{ runner.os }} in
      Linux)
        os="linux"
        ext="tar.gz"
        out="bk"
        ;;
      macOS)
        os="macOS"
        ext="zip"
        out="bk"
        ;;
      Windows)
        os="windows"
        ext="zip"
        out="bk.exe"
        ;;
      esac

      case ${{ runner.arch }} in
      X86)
        arch=386
        ;;
      X64)
        arch=amd64
        ;;
      ARM)
        arch=armv6
        ;;
      ARM64)
        arch=arm64
        ;;
      esac

      echo "Installing bk @ ${tag} for ${os} on ${arch}"
      tmp=$(mktemp -d)
      cd ${tmp}
      curl -fsSL https://github.com/buildkite/cli/releases/download/${tag}/bk_${version}_${os}_${arch}.${ext} | tar -xz --strip-components=1
      chmod +x ${out}
      PATH=${PATH}:${tmp}
      echo "${tmp}" >> $GITHUB_PATH