--- imapfilter-1.2.2.ebuild	2006-12-20 19:25:31.000000000 -0800
+++ imapfilter-1.2.2-r1.ebuild	2006-12-20 19:25:41.000000000 -0800
@@ -21,6 +21,8 @@
 	unpack ${A}
 	cd ${WORKDIR}/${P}
 	epatch ${FILESDIR}/${PN}-1.0.patch || die "epatch failed"
+	# See Bug #155518 and Bug #158460
+	has_version ">=dev-lang/lua-5.1.1" && epatch ${FILESDIR}/${PN}-lua.patch
 }
 
 src_compile() {