hush/examples/unrpm
Mike Frysinger d7d4750e1e unrpm: clean up
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2016-04-04 01:39:17 -04:00

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#!/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() {
cat <<EOF
Usage: unrpm -l package.rpm <List contents of rpm package>
unrpm -x package.rpm /foo/boo <Extract rpm package to this directory,
put . for current directory>
EOF
exit
}
rpm=$2
exist() {
if [ -z "${rpm}" ]; then
usage
elif [ ! -s "${rpm}" ]; then
echo "Can't find ${rpm}!"
exit 1
fi
}
if [ -z "$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
(
printf "\nPress enter to scroll, q to Quit!\n\n"
rpm2cpio "${rpm}" | cpio -tv --quiet
) | ${pager}
exit
elif [ "$1" = "-x" ]; then
exist
if [ -z "$3" ]; then
usage
elif [ ! -d "$3" ]; then
echo "No such directory $3!"
exit 1
fi
rpm2cpio "${rpm}" | (umask 0 ; cd "$3" ; cpio -idmuv) || exit
echo
echo "Extracted ${rpm} to $3!"
exit
else
usage
fi