rpm2targz/patches/rpm2targz-9.0-bzip2_rpm2targz.patch

--- rpm2targz	2003-10-15 00:46:48.000000000 +0200
+++ rpm2targz.new	2003-10-15 01:39:00.000000000 +0200
@@ -21,6 +21,8 @@
 #  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #
 
+# debug switch to allow to bypass use of rpm2cpio provided by the rpm package
+USERPM2CPIO=true
 if [ "$TMPDIR" = "" ]; then
   TMPDIR=/tmp
 fi
@@ -46,7 +48,7 @@
 fi
 for i in $* ; do
   if [ ! "$1" = "$*" ]; then
-    echo -n "Processing file: $i"
+    echo "Processing file: $i"
   fi
   rm -rf $TMPDIR/rpm2targz$COOKIE # clear the way, just in case of mischief
   mkdir $TMPDIR/rpm2targz$COOKIE
@@ -68,7 +70,7 @@
   fi
 
   ofn=$TMPDIR/rpm2targz$COOKIE/`basename $i .rpm`.cpio
-  if which rpm2cpio 1> /dev/null 2> /dev/null ; then
+  if $USERPM2CPIO && which rpm2cpio 1> /dev/null 2> /dev/null ; then
     rpm2cpio $i > $ofn 2> /dev/null
     if [ ! $? = 0 ]; then
       echo "... rpm2cpio failed.  (maybe $i is not an RPM?)"
@@ -76,7 +78,31 @@
       continue
     fi
   else # less reliable than rpm2cpio...
-    dd ibs=`rpmoffset < $i` skip=1 if=$i 2> /dev/null | gzip -dc > $ofn
+    # get offset of start of payload
+    PAYLOADOFFSET=`rpmoffset < $i` 
+    #identify compression
+    PAYLOADHEAD=`dd ibs=${PAYLOADOFFSET} skip=1 if=$i 2> /dev/null | dd bs=10 count=1 2> /dev/null`
+    if echo ${PAYLOADHEAD} | grep -e $'^\037\213' > /dev/null ; then 
+   	echo "found gzip magic bytes"
+	decomp="gzip"
+    elif echo ${PAYLOADHEAD} | grep -e "^BZh" > /dev/null ; then
+        echo "found bzip magic bytes"
+	decomp="bzip2"
+    else
+        echo  " $i - no magic compression identifier found - skipping file"
+        ( cd $TMPDIR ; rm -rf rpm2targz$COOKIE )
+        continue
+    fi
+    echo -n "  trying to decompress with ${decomp}..."
+    dd ibs=`rpmoffset < $i` skip=1 if=$i 2> /dev/null | ${decomp} -dc > $ofn 2> /dev/null 
+    if [ $? = 0 ]; then
+      echo "  OK"
+    else
+      echo "  FAILED"
+      echo  " $i  failed to decompress - skipping file"
+      ( cd $TMPDIR ; rm -rf rpm2targz$COOKIE )
+      continue
+    fi
   fi
   DEST=$TMPDIR/rpm2targz$COOKIE
   #if [ "$isSource" = "1" ]; then
1	--- rpm2targz 2003-10-15 00:46:48.000000000 +0200
2	+++ rpm2targz.new 2003-10-15 01:39:00.000000000 +0200
3	@@ -21,6 +21,8 @@
4	# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
5	#
6
7	+# debug switch to allow to bypass use of rpm2cpio provided by the rpm package
8	+USERPM2CPIO=true
9	if [ "$TMPDIR" = "" ]; then
10	TMPDIR=/tmp
11	fi
12	@@ -46,7 +48,7 @@
13	fi
14	for i in $* ; do
15	if [ ! "$1" = "$*" ]; then
16	- echo -n "Processing file: $i"
17	+ echo "Processing file: $i"
18	fi
19	rm -rf $TMPDIR/rpm2targz$COOKIE # clear the way, just in case of mischief
20	mkdir $TMPDIR/rpm2targz$COOKIE
21	@@ -68,7 +70,7 @@
22	fi
23
24	ofn=$TMPDIR/rpm2targz$COOKIE/`basename $i .rpm`.cpio
25	- if which rpm2cpio 1> /dev/null 2> /dev/null ; then
26	+ if $USERPM2CPIO && which rpm2cpio 1> /dev/null 2> /dev/null ; then
27	rpm2cpio $i > $ofn 2> /dev/null
28	if [ ! $? = 0 ]; then
29	echo "... rpm2cpio failed. (maybe $i is not an RPM?)"
30	@@ -76,7 +78,31 @@
31	continue
32	fi
33	else # less reliable than rpm2cpio...
34	- dd ibs=`rpmoffset < $i` skip=1 if=$i 2> /dev/null \| gzip -dc > $ofn
35	+ # get offset of start of payload
36	+ PAYLOADOFFSET=`rpmoffset < $i`
37	+ #identify compression
38	+ PAYLOADHEAD=`dd ibs=${PAYLOADOFFSET} skip=1 if=$i 2> /dev/null \| dd bs=10 count=1 2> /dev/null`
39	+ if echo ${PAYLOADHEAD} \| grep -e $'^\037\213' > /dev/null ; then
40	+ echo "found gzip magic bytes"
41	+ decomp="gzip"
42	+ elif echo ${PAYLOADHEAD} \| grep -e "^BZh" > /dev/null ; then
43	+ echo "found bzip magic bytes"
44	+ decomp="bzip2"
45	+ else
46	+ echo " $i - no magic compression identifier found - skipping file"
47	+ ( cd $TMPDIR ; rm -rf rpm2targz$COOKIE )
48	+ continue
49	+ fi
50	+ echo -n " trying to decompress with ${decomp}..."
51	+ dd ibs=`rpmoffset < $i` skip=1 if=$i 2> /dev/null \| ${decomp} -dc > $ofn 2> /dev/null
52	+ if [ $? = 0 ]; then
53	+ echo " OK"
54	+ else
55	+ echo " FAILED"
56	+ echo " $i failed to decompress - skipping file"
57	+ ( cd $TMPDIR ; rm -rf rpm2targz$COOKIE )
58	+ continue
59	+ fi
60	fi
61	DEST=$TMPDIR/rpm2targz$COOKIE
62	#if [ "$isSource" = "1" ]; then