Annotation of /tags/mkinitrd-6_1_12/busybox/examples/unrpm

#!/bin/sh
#
# This should work with the GNU version of cpio and gzip!
# This should work with the bash or ash shell!
# Requires the programs (cpio, gzip, and the pager more or less).
#
usage() {
echo "Usage: unrpm -l package.rpm            <List contents of rpm package>"
echo "       unrpm -x package.rpm /foo/boo   <Extract rpm package to this directory,"
echo "                                        put . for current directory>"
exit
}

rpm=$2

exist() {
if [ "$rpm" = "" ]; then
usage
elif [ ! -s "$rpm" ]; then
echo "Can't find $rpm!"
exit
fi
}

if [ "$1" = "" ]; then
usage
elif [ "$1" = "-l" ]; then
exist
type more >/dev/null 2>&1 && pager=more
type less >/dev/null 2>&1 && pager=less
[ "$pager" = "" ] && echo "No pager found!" && exit
(echo -e "\nPress enter to scroll, q to Quit!\n" ; rpm2cpio $rpm | cpio -tv --quiet) | $pager
exit
elif [ "$1" = "-x" ]; then
exist
if [ "$3" = "" ]; then
usage
elif [ ! -d "$3" ]; then
echo "No such directory $3!"
exit
fi
rpm2cpio $rpm | (umask 0 ; cd $3 ; cpio -idmuv) || exit
echo
echo "Extracted $rpm to $3!"
exit
else
usage
fi
1	niro	532	#!/bin/sh
2			#
3			# This should work with the GNU version of cpio and gzip!
4			# This should work with the bash or ash shell!
5			# Requires the programs (cpio, gzip, and the pager more or less).
6			#
7			usage() {
8			echo "Usage: unrpm -l package.rpm <List contents of rpm package>"
9			echo " unrpm -x package.rpm /foo/boo <Extract rpm package to this directory,"
10			echo " put . for current directory>"
11			exit
12			}
13
14			rpm=$2
15
16			exist() {
17			if [ "$rpm" = "" ]; then
18			usage
19			elif [ ! -s "$rpm" ]; then
20			echo "Can't find $rpm!"
21			exit
22			fi
23			}
24
25			if [ "$1" = "" ]; then
26			usage
27			elif [ "$1" = "-l" ]; then
28			exist
29			type more >/dev/null 2>&1 && pager=more
30			type less >/dev/null 2>&1 && pager=less
31			[ "$pager" = "" ] && echo "No pager found!" && exit
32			(echo -e "\nPress enter to scroll, q to Quit!\n" ; rpm2cpio $rpm \| cpio -tv --quiet) \| $pager
33			exit
34			elif [ "$1" = "-x" ]; then
35			exist
36			if [ "$3" = "" ]; then
37			usage
38			elif [ ! -d "$3" ]; then
39			echo "No such directory $3!"
40			exit
41			fi
42			rpm2cpio $rpm \| (umask 0 ; cd $3 ; cpio -idmuv) \|\| exit
43			echo
44			echo "Extracted $rpm to $3!"
45			exit
46			else
47			usage
48			fi