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<?php
/**
* Creates an upgrade file for Elgg.
*
* Run this from the command line:
* php create_upgrade.php upgrade_name
*/
error_reporting(E_NOTICE);
// only allow from the command line.
if (php_sapi_name() != 'cli') {
die('Upgrades can only be created from the command line.');
}
if (count($argv) < 2) {
elgg_create_upgrade_show_usage('No upgrade name.');
}
$name = $argv[1];
if (strlen($name) > 24) {
elgg_create_upgrade_show_usage('Upgrade names cannot be longer than 24 characters.');
}
require_once '../../../version.php';
require_once '../elgglib.php';
$upgrade_path = dirname(__FILE__);
$upgrade_name = strtolower($name);
$upgrade_name = str_replace(array(' ', '-'), '_', $upgrade_name);
$upgrade_release = str_replace(array(' ', '-'), '_', $release);
$time = time();
$upgrade_rnd = substr(md5($time), 0, 16);
$upgrade_date = date('Ymd', $time);
// determine the inc count
$upgrade_inc = 0;
$files = elgg_get_file_list($upgrade_path);
sort($files);
foreach ($files as $filename) {
$filename = basename($filename);
$date = (int)substr($filename, 0, 8);
$inc = (int)substr($filename, 8, 2);
if ($upgrade_date == $date) {
if ($inc >= $upgrade_inc) {
$upgrade_inc = $inc + 1;
}
}
}
// zero-pad
// if there are more than 10 upgrades in a day, someone needs talking to.
if ($upgrade_inc < 10) {
$upgrade_inc = "0$upgrade_inc";
}
$upgrade_version = $upgrade_date . $upgrade_inc;
// make filename
if (substr($release, 0, 3) == '1.7') {
// 1.7 upgrades are YYYYMMDDXX
$upgrade_name = $upgrade_version . '.php';
} else {
// 1.8+ upgrades are YYYYMMDDXX-release-friendly_name-rnd
$upgrade_name = $upgrade_version . "-$upgrade_release-$name-$upgrade_rnd.php";
}
$upgrade_file = $upgrade_path . '/' . $upgrade_name;
if (is_file($upgrade_file)) {
elgg_create_upgrade_show_usage("Upgrade file $upgrade_file already exists. This script has failed you.");
}
$upgrade_code = <<<___UPGRADE
<?php
/**
* Elgg $release upgrade $upgrade_version
* $name
*
* Description
*/
// upgrade code here.
___UPGRADE;
$h = fopen($upgrade_file, 'wb');
if (!$h) {
die("Could not open file $upgrade_file");
}
if (!fputs($h, $upgrade_code)) {
die("Could not write to $upgrade_file");
} else {
elgg_set_version_dot_php_version($upgrade_version);
echo <<<___MSG
Created upgrade file and updated version.php.
Upgrade file: $upgrade_name
Version: $upgrade_version
___MSG;
}
fclose($h);
function elgg_set_version_dot_php_version($version) {
$file = '../../../version.php';
$h = fopen($file, 'r+b');
if (!$h) {
return false;
}
$out = '';
while (($line = fgets($h)) !== false) {
$find = "/\\\$version[ ]?=[ ]?[0-9]{10};/";
$replace = "\$version = $version;";
$out .= preg_replace($find, $replace, $line);
}
rewind($h);
fputs($h, $out);
fclose($h);
}
/**
* Shows the usage for the create_upgrade script and dies().
*
* @param string $msg Optional message to display
* @return void
*/
function elgg_create_upgrade_show_usage($msg = '') {
$text = <<<___MSG
$msg
Example:
php create_upgrade.php my_upgrade
___MSG;
die($text);
}
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