#!/bin/bash
#
# lspkg v0.2: view installed and contents of
#             slackware packages
#
# feedback: rhatto at riseup.net | gpl
#
#  Lspkg is free software; you can redistribute it and/or modify it under the
#  terms of the GNU General Public License as published by the Free Software
#  Foundation; either version 2 of the License, or any later version.
#
#  Lspkg is distributed in the hope that it will be useful, but WITHOUT ANY
#  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
#  A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
#
#  You should have received a copy of the GNU General Public License along with
#  this program; if not, write to the Free Software Foundation, Inc., 59 Temple
#  Place - Suite 330, Boston, MA 02111-1307, USA
#
#
#   -v, --view: view installed package contents
#   -p, --print: print the contents of a package file
#   -r, --remove: remove matching packages
#   -s, --search: search a file under installed packages
#
# todo:
#
#   -d, --description: show matching packages' descriptions
#   -h, --help: show usage
#

function usage {
  echo "usage: $0 [-v|-d|-s|-p expression]"
  exit 1
}

if [[ "$1" = "-v" ]]; then
  if [[ ! -z "$2" ]]; then
    if $(ls /var/log/packages/$2* &> /dev/null); then
      for file in $(ls /var/log/packages/$2*); do
        less $file
      done
    else echo $2: package not found on /var/log/packages
    fi
  else
    usage
  fi
elif [[ "$1" = "-p" ]]; then
  if [ -f $2 ]; then
    tar ztvf $2
  else echo $2: file not found
  fi
elif [[ "$1" == "-r" ]]; then
  if [ ! -z "$2" ]; then
    if `ls /var/log/packages/$1* &> /dev/null`; then
      removepkg /var/log/packages/$1*
    fi
  fi
elif [[ "$1" == "-s" ]]; then
  if [[ ! -z "$2" ]]; then
    grep $2 /var/log/packages/*
  fi
else
  if `ls /var/log/packages/$1* &> /dev/null`; then
    ls /var/log/packages/$1*
  else echo $1: package not found on /var/log/packages 
  fi
fi