[ `cd ${srcdir} && /bin/pwd` = `/bin/pwd` ] || \
( cd ${ns_appsrc} ; tar cfh - . ) | \
( cd ${ns_appdir} ; umask 022; tar xf - )
[ `cd ${srcdir} && /bin/pwd` = `/bin/pwd` ] || \
( cd ${ns_appsrc} ; tar cfh - . ) | \
( cd ${ns_appdir} ; umask 022; tar xf - )