--- /usr/lib/rpm/rpm2cpio.sh	2010-07-09 11:45:59.000000000 +0200
+++ ./scripts/rpm2cpio.sh	2011-02-01 16:19:13.351447581 +0100
@@ -28,9 +28,11 @@
 
 gz="`echo . | awk '{ printf("%c%c", 0x1f, 0x8b); }'`"
 lzma="`echo . | awk '{ printf("%cLZ", 0xff); }'`"
+xz="`echo . | awk '{ printf("%c7z", 0xfd); }'`"
 case "$comp" in
     BZh)      dd if="$pkg" ibs=$o skip=1 2>/dev/null | bunzip2 ;;
     "$gz"*)   dd if="$pkg" ibs=$o skip=1 2>/dev/null | gunzip ;;
+    "$xz"*)   dd if="$pkg" ibs=$o skip=1 2>/dev/null | xzcat ;;
     "$lzma"*) dd if="$pkg" ibs=$o skip=1 2>/dev/null | unlzma ;;
     *)        echo "Unrecognized rpm file: $pkg"; return 1 ;;
 esac