diff -Naur bin/ebuild.sh.orig bin/ebuild.sh
--- bin/ebuild.sh.orig	2009-03-24 14:59:12.000000000 -0400
+++ bin/ebuild.sh	2009-03-24 15:00:47.000000000 -0400
@@ -424,6 +424,9 @@
 			lzma)
 				_unpack_tar lzma
 				;;
+			lz)
+				_unpack_tar lzip
+				;;
 			xz)
 				if hasq $eapi 0 1 2 ; then
 					vecho "unpack ${x}: file format not recognized. Ignoring."