add one checkpoint for this situation when the directory already exists during booting up

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@5031 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd

xCAT-server/share/xcat/netboot/add-on/statelite/rc.statelite

@@ -145,8 +145,14 @@ ProcessType () {
 
 	case "${3}" in 
 		tmpfs,rw)
-			cp -a ${1} ${TMPFS}${2}
-			echo "cp -a ${1} ${TMPFS}${2}" >>$LOG
+            if [ ! -d ${TMPFS}${2} ]
+            then
+			    cp -a ${1} ${TMPFS}${2}
+			    echo "cp -a ${1} ${TMPFS}${2}" >>$LOG
+            else
+                cp -a ${1}* ${TMPFS}${2}
+                echo "cp -a ${1}/* ${TMPFS}${2}/" >>$LOG
+            fi
 			# the link will already be in place on the image, so nothing else to do!
 			#mount -n --bind ${TMPFS}${2} ${1}
 			;;