diff -ruN redis.bak/Makefile redis/Makefile
--- redis.bak/Makefile	2011-06-21 15:59:26.000000000 +0400
+++ redis/Makefile	2011-06-21 16:34:25.000000000 +0400
@@ -47,4 +47,9 @@
 	${INSTALL_PROGRAM} ${BIN_FILES:C!^!${WRKSRC}/src/!} ${PREFIX}/bin/
 	${INSTALL_DATA} ${WRKDIR}/redis.conf ${PREFIX}/etc/redis.conf.sample
 
+post-install:
+.for f in ${REDIS_LOGDIR} ${REDIS_RUNDIR} ${REDIS_DBDIR}
+	[ -d ${f} ] || ${MKDIR} ${f} && ${CHOWN} ${USERS}:${GROUPS} ${f}
+.endfor
+
 .include <bsd.port.mk>