cros_workon: fix common.sh check

host/cros_workon

 #!/bin/bash
 
 # Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # This script moves ebuilds between 'stable' and 'live' states.
 # By default 'stable' ebuilds point at and build from source at the
 # last known good commit. Moving an ebuild to 'live' (via cros_workon start)
 # is intended to support development. The current source tip is fetched,
 # source modified and built using the unstable 'live' (9999) ebuild.
 
-. /usr/lib/crosutils/common.sh || (echo "Unable to load common.sh" && exit 1)
+. /usr/lib/crosutils/common.sh || exit 1
 
 # Script must be run inside the chroot
 get_default_board
 
 DEFINE_string board "${DEFAULT_BOARD}" \
   "The board to set package keywords for."
 DEFINE_boolean host "${FLAGS_FALSE}" \
   "Uses the host instead of board"
 DEFINE_string command "git status" \
   "The command to be run by forall."
@@ skipping 249 matching lines @@
 
 case ${WORKON_CMD} in
   start) ebuild_to_live "${ATOM_LIST}" ;;
   stop) ebuild_to_stable "${ATOM_LIST}" ;;
   list) [ ${FLAGS_all} = "${FLAGS_FALSE}" ] && show_live_ebuilds || \
     show_workon_ebuilds ${BOARD_KEYWORD} ;;
   list-all) show_all_live_ebuilds ;;
   iterate) ebuild_iterate "${ATOM_LIST}" ;;
   *)      die "$(basename $0): command '${WORKON_CMD}' not recognized" ;;
 esac