fix install and uninstall scripts failure

dnsmasq.spec

@@ -1,6 +1,6 @@
 Name:           dnsmasq
 Version:        2.82
-Release:        1
+Release:        2
 Summary:        Dnsmasq provides network infrastructure for small networks
 License:        GPLv2 or GPLv3
 URL:            http://www.thekelleys.org.uk/dnsmasq/
@@ -71,17 +71,16 @@ install -m644 %{SOURCE1} $RPM_BUILD_ROOT%{_unitdir}
 install -Dpm644 %{SOURCE2} $RPM_BUILD_ROOT%{_sysusersdir}/dnsmasq.conf
 
 %pre
-%sysusers_create_inline %(cat %{SOURCE2})
+%sysusers_create_package %{name} %{SOURCE2}
 
 %post
-%sysusers_create %(cat %{SOURCE2})
-%systemd_post dnsmasq
+%systemd_post dnsmasq.service
 
 %preun
-%systemd_preun dnsmasq
+%systemd_preun dnsmasq.service
 
 %postun
-%systemd_postun_with_restart dnsmasq
+%systemd_postun_with_restart dnsmasq.service
 
 %files
 %doc dbus/DBus-interface
@@ -106,6 +105,12 @@ install -Dpm644 %{SOURCE2} $RPM_BUILD_ROOT%{_sysusersdir}/dnsmasq.conf
 %{_mandir}/man8/dnsmasq*
 
 %changelog
+* Tue Sep 1 2020 zhouyihang <zhouyihang3@huawei.com> - 2.82-2
+- Type:bugfix
+- Id:NA
+- SUG:NA
+- DESC:fix install and uninstall scripts failure
+
 * Tue Jul 28 2020 xiaoweiwei <xiaoweiwei5@huawei.com> - 2.82-1
 - Type:upgrade
 - Id:NA