elif [ -d ~/chromiumos/depot_tools ] ; then
path_append "`echo ~`/chromiumos/depot_tools"
elif [ -d ~/chromiumos/chromium/tools/depot_tools ] ; then
elif [ -d ~/chromiumos/depot_tools ] ; then
path_append "`echo ~`/chromiumos/depot_tools"
elif [ -d ~/chromiumos/chromium/tools/depot_tools ] ; then