examples/unrpm

   1 #!/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         cat <<EOF
   9 Usage: unrpm -l package.rpm            <List contents of rpm package>
  10        unrpm -x package.rpm /foo/boo   <Extract rpm package to this directory,
  11                                         put . for current directory>
  12 EOF
  13         exit
  14 }
  15
  16 rpm=$2
  17
  18 exist() {
  19         if [ -z "${rpm}" ]; then
  20                 usage
  21         elif [ ! -s "${rpm}" ]; then
  22                 echo "Can't find ${rpm}!"
  23                 exit 1
  24         fi
  25 }
  26
  27 if [ -z "$1" ]; then
  28         usage
  29 elif [ "$1" = "-l" ]; then
  30         exist
  31         type more >/dev/null 2>&1 && pager=more
  32         type less >/dev/null 2>&1 && pager=less
  33         [ "$pager" = "" ] && echo "No pager found!" && exit
  34         (
  35                 printf "\nPress enter to scroll, q to Quit!\n\n"
  36                 rpm2cpio "${rpm}" | cpio -tv --quiet
  37         ) | ${pager}
  38         exit
  39 elif [ "$1" = "-x" ]; then
  40         exist
  41         if [ -z "$3" ]; then
  42                 usage
  43         elif [ ! -d "$3" ]; then
  44                 echo "No such directory $3!"
  45                 exit 1
  46         fi
  47         rpm2cpio "${rpm}" | (umask 0 ; cd "$3" ; cpio -idmuv) || exit
  48         echo
  49         echo "Extracted ${rpm} to $3!"
  50         exit
  51 else
  52         usage
  53 fi