1  #!/bin/sh
  2  
  3  get_version() {
  4    local old_name=`cat /var/log/packages/$1 | grep "^PACKAGE NAME" | cut -f2 -d':' `
  5    local old_vers=`echo $old_name | cut -f2 -d'-'`
  6    echo  $old_vers
  7  }
  8  
  9  check_vers() {
 10    local old=$1
 11    local new=$2
 12  
 13    for i in 1 2 3 4 5; do
 14      t1=`echo $old | cut -f$i -d'.'`
 15      t2=`echo $new | cut -f$i -d'.'`
 16      if [ $t2 -gt $t1 ]; then
 17        return $t2
 18      fi
 19    done
 20    return 0
 21  }
 22  
 23  usage() {
 24    echo "usage: $0 [-f] [-h] package(s)"
 25    echo "    -f force install mode(without version check)"
 26    echo "    -h help(this message)"
 27    exit
 28  }
 29  
 30  for opt in  $* 
 31  do
 32    case $opt in
 33    -f)
 34      force_flag=1 ; shift ;;
 35    -h)
 36      usage ;;
 37    esac
 38  done
 39  
 40  if [ $# = 0 ]; then
 41    usage
 42  fi
 43  
 44  for tmppkg in $* ; do
 45    pkg=`basename $tmppkg`
 46    base=`echo $pkg | cut -f1 -d'-'`
 47    vers=`echo $pkg | cut -f2 -d'-'`
 48    chk=`ls /var/log/packages | grep "^$base$" `
 49    if [ "$chk.x" != ".x" ]; then
 50      if [ "$force_flag.x" != ".x" ]; then
 51        /sbin/removepkg $base
 52      else
 53        old_vers=`get_version $base`
 54        check_vers $old_vers $vers
 55        ver_test=$?
 56        if [ $ver_test != "0" ]; then
 57          /sbin/removepkg $base
 58        else
 59          echo "same or newer vesion($chk-$old_vers) has been installed."
 60          echo "installation stopped for $tmppkg"  
 61          continue
 62        fi
 63      fi
 64    fi
 65    /sbin/installpkg $tmppkg
 66  done