+%post upstart
+%upstart_post %{name}
+
+%postun upstart
+%upstart_postun %{name}
+
+%triggerun -- syslog-ng < 3.0
+sed -i -e 's#sync(\(.*\))#flush_lines(\1)#g' /etc/syslog-ng/syslog-ng.conf
+sed -i -e 's#pipe ("/proc/kmsg"#file ("/proc/kmsg"#g' /etc/syslog-ng/syslog-ng.conf
+sed -i -e 's#log_prefix#program_override#g' /etc/syslog-ng/syslog-ng.conf
+sed -i -e 's#^destination #destination d_#g' /etc/syslog-ng/syslog-ng.conf
+sed -i -e 's#destination(#destination(d_#g' /etc/syslog-ng/syslog-ng.conf
+sed -i -e 's,\bstats\b,stats_freq,' /etc/syslog-ng/syslog-ng.conf
+sed -i -e 's#match("IN\=\[A-Za-z0-9\]\* OUT=\[A-Za-z0-9\]\*");#match("IN=[A-Za-z0-9]* OUT=[A-Za-z0-9]*" value("MESSAGE"));#g' /etc/syslog-ng/syslog-ng.conf
+sed -i -e "1 s#\(.*\)\$#@version: 3.0\n\1#g" /etc/syslog-ng/syslog-ng.conf
+rm -f %{_var}/lib/%{name}/syslog-ng.persist
+%service -q syslog-ng restart
+exit 0
+