Fossil checkout (server side) through PHP

fossil-checkout.php

<?php
/* fossil-checkout.php
 * Untuk melakukan checkout fossil di server tanpa harus login SSH
 * 
 * Agar bisa berjalan, Fossil butuh HOME variabel : putenv()
 * Add server environment. The environment variable will only exist 
 * for the duration of the current request. At the end of the request 
 * the environment is restored to its original state
 * */

$repo_name = 'simrenda.fossil';
if( putenv("HOME=". dirname(__FILE__)) ) {
	$opened = shell_exec("fossil open $repo_name --keep 2>&1");
	echo "<strong>Informasi Open Repository</strong>";
	echo "<pre>$opened</pre><hr />";
	
	$update = shell_exec('fossil checkout trunk --force 2>&1');
	echo "<strong>Informasi files/folder yg di update:</strong>";
	echo "<pre>$update</pre><hr/ >";
	
	$output = shell_exec('fossil status 2>&1');
	echo "<strong>Status Repository:</strong>";	
	echo "<pre>$output</pre>";	
} else {
	echo "Gagal mengeset HOME di php, Fossil butuh ini";
}

echo '<hr />';
$version = system('fossil version');
echo '<hr />';

// Clear environment variable
putenv('HOME');