MDEV-295 Do NOT start mysql when installing MariaDB rpms

but restart it on upgrade, if it was already running

support-files/rpm/server-postin.sh

@@ -4,8 +4,10 @@ mysql_datadir=%{mysqldatadir}
 mkdir -p $mysql_datadir/{mysql,test}
 
 # Make MySQL start/shutdown automatically when the machine does it.
-if [ -x /sbin/chkconfig ] ; then
+if [ $1 = 1 ] ; then
+  if [ -x /sbin/chkconfig ] ; then
           /sbin/chkconfig --add mysql
+  fi
 fi
 
 # Create a MySQL user and group. Do not report any problems if it already
@@ -65,13 +67,3 @@ if [ -x sbin/restorecon ] ; then
 	sbin/restorecon -R var/lib/mysql
 fi
 
-# Restart in the same way that mysqld will be started normally.
-if [ -x %{_sysconfdir}/init.d/mysql ] ; then
-	%{_sysconfdir}/init.d/mysql start
-	echo "Giving mysqld 2 seconds to start"
-	sleep 2
-fi
-
-# Allow safe_mysqld to start mysqld and print a message before we exit
-sleep 2
-

support-files/rpm/server-postun.sh

+if [ $1 -ge 1 ]; then
+  if [ -x %{_sysconfdir}/init.d/mysql ] ; then
+    # only restart the server if it was alredy running
+    %{_sysconfdir}/init.d/mysql status > /dev/null 2>&1 && \
+    %{_sysconfdir}/init.d/mysql restart
+  fi
+fi

support-files/rpm/server-prein.sh

@@ -64,10 +64,3 @@ HERE
   fi
 fi
 
-# Shut down a previously installed server first
-if [ -x %{_sysconfdir}/init.d/mysql ] ; then
-	%{_sysconfdir}/init.d/mysql stop > /dev/null 2>&1
-	echo "Giving mysqld 5 seconds to exit nicely"
-	sleep 5
-fi
-

support-files/rpm/server-preun.sh

@@ -2,11 +2,11 @@ if [ $1 = 0 ] ; then
 	# Stop MySQL before uninstalling it
 	if [ -x %{_sysconfdir}/init.d/mysql ] ; then
 		%{_sysconfdir}/init.d/mysql stop > /dev/null
+	fi
         # Don't start it automatically anymore
 	if [ -x /sbin/chkconfig ] ; then
 		/sbin/chkconfig --del mysql
 	fi
-	fi
 fi
 
 # We do not remove the mysql user since it may still own a lot of