only remove the repositories which were created by xCAT for sles

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@15978 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd

xCAT/postscripts/ospkgs

@@ -497,7 +497,9 @@ elif ( pmatch "$OSVER" "sles11*" ); then
 	old_repo=`zypper lr |grep -e "^[0-9]" | cut -f2 -d '|'`
 	for x in $old_repo
 	do
-            result=`zypper rr "$x"`
+            if ( ( pmatch "$x" "xCAT-$OSVER-path*" ) || ( pmatch "$x" "$OSVER-path*" ) ); then
+                 result=`zypper rr "$x"`
+            fi
 	done
 	result=`zypper --non-interactive refresh 2>&1`
 	if [ $debug -ne 0 ]; then