Fix systemd scriptlets.

1) Don't always enable the service - only run 'systemctl enable' on initial package install
2) Add a trigger to catch the case where we are upgrading from a pre-systemd version.

gpm.spec

@@ -1,7 +1,7 @@
 Summary: A mouse server for the Linux console
 Name: gpm
 Version: 1.20.6
-Release: 15%{?dist}
+Release: 16%{?dist}
 License: GPLv2+
 Group: System Environment/Daemons
 URL: http://www.nico.schottelius.org/software/gpm/
@@ -113,13 +113,22 @@ rm -rf %{buildroot}
 %post
 %ifnarch s390 s390x
 /sbin/chkconfig --add gpm
-/bin/systemctl enable gpm.service >/dev/null 2>&1 || :
+if [ "$1" -ge 1 ]; then
+	/bin/systemctl enable gpm.service >/dev/null 2>&1 || :
+fi
 %endif
 if [ -e %{_infodir}/gpm.info.gz ]; then
   /sbin/install-info %{_infodir}/gpm.info.gz %{_infodir}/dir || :
 fi
 /sbin/ldconfig
 
+%ifnarch s390 s390x
+%triggerun -- gpm < 1.20.6-15
+if /sbin/chkconfig --level 3 gpm ; then
+	/bin/systemctl enable gpm.service >/dev/null 2>&1 || :
+fi
+%endif
+
 %preun
 %ifnarch s390 s390x
 if [ $1 = 0 ]; then
@@ -173,6 +182,9 @@ fi
 %{_libdir}/libgpm.a
 
 %changelog
+* Thu May 05 2011 Bill Nottingham <notting@redhat.com> 1.20.6-16
+- Fix systemd scriptlets
+
 * Tue Feb 08 2011 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.20.6-15
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_15_Mass_Rebuild