Do not resstart ypbind on dhcp renew if nis domain or nis servers

haven't changed
  Resolves: rhbz#1301708

nis.sh

@@ -52,38 +52,34 @@ nis_config() {
         if [ -n "${new_nis_domain}" ]; then
             domainname "${new_nis_domain}"
             save_config_file
-            let contents=0
             echo '# generated by /sbin/dhclient-script' > ${CONF}
             fix_context ${CONF}
 
             if [ -n "${new_nis_servers}" ]; then
                 for i in ${new_nis_servers} ; do
                     echo "domain ${new_nis_domain} server ${i}" >> ${CONF}
-                    let contents=contents+1
                 done
             else
                 echo "domain ${new_nis_domain} broadcast" >> ${CONF}
-                let contents=contents+1
             fi
 
-            if [ ${contents} -gt 0 ]; then
-                service ypbind condrestart >/dev/null 2>&1
-            fi
         elif [ -n "${new_nis_servers}" ]; then
             save_config_file
             echo '# generated by /sbin/dhclient-script' > ${CONF}
             fix_context ${CONF}
-            let contents=0
 
             for i in ${new_nis_servers} ; do
                 echo "ypserver ${i}" >> ${CONF}
-                let contents=contents+1
             done
 
-            if [ $contents -gt 0 ]; then
-                service ypbind condrestart >/dev/null 2>&1
-            fi
         fi
+
+		# dimainname or servers changed, restart ypbind
+		if [ "${old_nis_domain}" != "${new_nis_domain}" ] \
+			|| [ "${old_nis_servers}" != "${new_nis_servers}" ] 
+		then
+                service ypbind condrestart >/dev/null 2>&1
+		fi
     fi
 }
 

ypbind.spec

@@ -2,7 +2,7 @@ Summary: The NIS daemon which binds NIS clients to an NIS domain
 Name: ypbind
 Epoch: 3
 Version: 1.38
-Release: 3%{?dist}
+Release: 4%{?dist}
 License: GPLv2
 Group: System Environment/Daemons
 Source0: http://www.linux-nis.org/download/ypbind-mt/ypbind-mt-%{version}.tar.bz2
@@ -99,6 +99,11 @@ install -m 755 %{SOURCE5} $RPM_BUILD_ROOT%{_libexecdir}/ypbind-post-waitbind
 %doc README NEWS COPYING
 
 %changelog
+* Mon Jan 25 2016 Matej Muzila <mmuzila@redhat.com> 3:1.38-4
+- Do not resstart ypbind on dhcp renew if nis domain or nis servers
+  haven't changed
+  Resolves: rhbz#1301708
+
 * Mon Nov 16 2015 Matej Muzila <mmuzila@redhat.com> 3:1.38-3
 -  Load ypbind.service before nss-user-lookup.target
    Resolves: rhbz#1282440