<?php

#build-checksum.php 
#@author Siddharth Prakash Singh (spsneo)
#Google SoC 2008 Project
# 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, 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.
#
# Update Script
# To be executed from command line only.


#check whether this file is being executed from command line or not
#abort if it is not being executed from command line
require_once("commandLine.inc");

#This file is required 
require_once("checksum-utils.inc");

#These are the directories which are not to be scanned and checksum not to be evaluated as these 
#directories are prone to change and always include "." and ".." in this list.
$dir_not_to_scan = array();
array_push($dir_not_to_scan,".", "..", "license", "log");

$rootdir_path = dirname(__FILE__) . "/../" . $_SERVER["argv"][1] . "/";

//remove slash if it is there at the end of the path
if(substr($rootdir_path, -1) == '/') {
	$rootdir_path = substr($rootdir_path, 0 , -1);
}

#check whether this is a valid directory
if(!is_dir($rootdir_path)) {
	echo $rootdir_path." is not a valid directory\n";
	return FALSE;
}

#check whether this directory is readable
if(!is_readable($rootdir_path)) {
	echo $rootdir_path." is not readable.\nPlease make sure you have privilege to build.\nAborting...";
	exit();
}

#initialize the directory
$rootdir = dir($rootdir_path);
$rootdir_path = $rootdir->path;

while(false !== ($dir_to_scan = $rootdir->read())) {
	$dir_to_scan_path = $rootdir_path.'/'.$dir_to_scan;
	#directories to scan, hidden directories excluded
	if(is_dir($dir_to_scan_path) && !in_array($dir_to_scan, $dir_not_to_scan) && !preg_match("/^\./", $dir_to_scan)) {
		echo "Scanning directory: ".$dir_to_scan_path."\n";
		build_checksum($dir_to_scan_path);
		echo "All checksums and respective JSON files created for all the files and directories inside ".$dir_to_scan_path."\n\n";
	}
}

echo "\n\nDone!\n\n";
?>