From da89969e9b4a8bae1da1a2e8bf5a9135588129e0 Mon Sep 17 00:00:00 2001
From: Marcel Werk <burntime@woltlab.com>
Date: Fri, 5 Aug 2011 19:48:14 +0200
Subject: [PATCH] Fixed some package update errors (update is still not
 working)

---
 .../files/lib/data/package/Package.class.php  | 36 ++++++++++++++++++-
 .../system/package/PackageArchive.class.php   |  2 +-
 2 files changed, 36 insertions(+), 2 deletions(-)

diff --git a/wcfsetup/install/files/lib/data/package/Package.class.php b/wcfsetup/install/files/lib/data/package/Package.class.php
index bb31310639..8cbf165b9c 100644
--- a/wcfsetup/install/files/lib/data/package/Package.class.php
+++ b/wcfsetup/install/files/lib/data/package/Package.class.php
@@ -6,6 +6,7 @@ use wcf\system\exception\SystemException;
 use wcf\system\io\File;
 use wcf\system\WCF;
 use wcf\util\FileUtil;
+use wcf\util\StringUtil;
 
 /**
  * Represents a package.
@@ -195,10 +196,43 @@ class Package extends DatabaseObject {
 		return preg_match('%^[a-zA-Z0-9_-]+\.[a-zA-Z0-9_-]+(\.[a-zA-Z0-9_-]+)+$%', $packageName);
 	}
 	
+	/**
+	 * Check version number of the installed package against the "fromversion" number of the update.
+	 * The "fromversion" number may contain wildcards (asterisks) which means that the update covers 
+	 * the whole range of release numbers where the asterisk wildcards digits from 0 to 9. For example,
+	 * if "fromversion" is "1.1.*" and this package updates to version 1.2.0, all releases from 1.1.0 to 
+	 * 1.1.9 may be updated using this package.
+	 * 
+	 * @param	string		$currentVersion
+	 * @param	string		$fromVersion
+	 * @return	boolean
+	 */
+	public static function checkFromversion($currentVersion, $fromversion) {
+		if (StringUtil::indexOf($fromversion, '*') !== false) {
+			// from version with wildcard
+			// use regular expression
+			$fromversion = StringUtil::replace('\*', '.*', preg_quote($fromversion, '!'));
+			if (preg_match('!^'.$fromversion.'$!i', $currentVersion)) {
+				return true;
+			}
+		}
+		else {
+			if (self::compareVersion($currentVersion, $fromversion, '=')) {
+				return true;
+			}
+		}
+		
+		return false;
+	}
+	
 	/**
 	 * Compares two version number strings.
 	 *
-	 * @see version_compare()
+	 * @param	string		$version1
+	 * @param	string		$version2
+	 * @param	string		$operator
+	 * @return	boolean		result
+	 * @see http://www.php.net/manual/en/function.version-compare.php
 	 */
 	public static function compareVersion($version1, $version2, $operator = null) {
 		$version1 = self::formatVersionForCompare($version1);
diff --git a/wcfsetup/install/files/lib/system/package/PackageArchive.class.php b/wcfsetup/install/files/lib/system/package/PackageArchive.class.php
index 307026f821..8ed0d7ff0a 100644
--- a/wcfsetup/install/files/lib/system/package/PackageArchive.class.php
+++ b/wcfsetup/install/files/lib/system/package/PackageArchive.class.php
@@ -361,7 +361,7 @@ class PackageArchive {
 		
 		if ($this->package != null) {
 			$validFromVersion = null;
-			foreach ($this->update as $fromVersion => $update) {
+			foreach ($this->instructions['update'] as $fromVersion => $update) {
 				if (Package::checkFromversion($this->package->packageVersion, $fromVersion)) {
 					$validFromVersion = $fromVersion;
 					break;
-- 
2.20.1