--- rpm-5.4.10/scripts/rpm2cpio~	2009-03-19 02:01:24.000000000 +0100
+++ rpm-5.4.10/scripts/rpm2cpio	2012-09-18 23:49:28.261438724 +0200
@@ -25,13 +25,13 @@
 EXTRACTOR="dd if=$pkg ibs=$o skip=1"
 
 COMPRESSION=`($EXTRACTOR |file -) 2>/dev/null`
-if echo $COMPRESSION |grep -q gzip; then
+if echo $COMPRESSION |grep -qi gzip; then
 	DECOMPRESSOR=gunzip
-elif echo $COMPRESSION |grep -q bzip2; then
+elif echo $COMPRESSION |grep -qi bzip2; then
 	DECOMPRESSOR=bunzip2
-elif echo $COMPRESSION |grep -q xz; then
+elif echo $COMPRESSION |grep -qi xz; then
 	DECOMPRESSOR=unxz
-elif echo $COMPRESSION |grep -q cpio; then
+elif echo $COMPRESSION |grep -qi cpio; then
 	DECOMPRESSOR=cat
 else
 	# Most versions of file don't support LZMA, therefore we assume