#!/bin/bash
# 
#   pacsearch for pacman
#  
#   Copyright (c) 2005 by Miklos Vajna <vmiklos@frugalware.org>
#  
#   This program 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
#   (at your option) any later version.
# 
#   This program 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.
#

# Advantages:
# - ~8-500 times faster
# - supports regular expressions
# - searches the sync and the local database
# Disadvantages:
# - doesn't search in package descriptions

msg()
{
	echo -e "\033[1;32m==>\033[1;0m \033[1;1m$1\033[1;0m" >&2
}

error()
{
	echo -e "\033[1;31m==> ERROR:\033[1;0m \033[1;1m$1\033[1;0m" >&2
	exit 1
}

if [ "$1" == "-u" ]; then
	if [ "`id -u`" = "0" ]; then
		msg "Updating the package cache"
		slocate -U /var/lib/pacman/ -o /var/lib/frugalware/pacsearch.db
		chmod 644 /var/lib/frugalware/pacsearch.db
		exit 0
	else
		error "You must be root to update the cache."
	fi
fi

if [ ! -e /var/lib/frugalware/pacsearch.db ]; then
	error "Could not open database: run \"pacsearch -u\" as root!"
fi

regexp=`echo $1|sed 's|^\^|/|g;s/\$$/-/'`
slocate -l 0 -d /var/lib/frugalware/pacsearch.db -r $regexp \
	|sed "s|/var/lib/pacman/\([^/]*/[^/]*\).*|\1|; \
	s/-\([^-]\+-[^-]\+$\)/ \1/" |uniq