``` case "$branch" in "latest" | "stable") echo rel exit 0

      case "$branch" in
        "latest" | "stable")
          echo rel
          exit 0
          ;;
        "testing")
          echo rc
          exit 0
          ;;
        "unstable")
          echo main
          exit 0
          ;;
        *)

      case "$branch" in
        "latest" | "stable")
          echo rel
          exit 0
          ;;
        "testing")
          echo rc
          exit 0
          ;;
        "unstable")
          echo main
          exit 0
          ;;
        *)