fix wrong removes

diff --git a/lib/private/installer.php b/lib/private/installer.php
index fe7417990c8af24d2a2b3685ea22f365ff36097b..11633a4d4a19ff27ddf59f58f6361a0be784b859 100644 (file)
--- a/lib/private/installer.php
+++ b/lib/private/installer.php
@@ -154,7 +154,7 @@ class OC_Installer{
                }else{
                        $version = trim($info['version']);
                }
-               
+
                if($version<>trim($data['appdata']['version'])) {
                        OC_Helper::rmdirr($extractDir);
                        throw new \Exception($l->t("App can't be installed because the version in info.xml/version is not the same as the version reported from the app store"));
@@ -236,6 +236,29 @@ class OC_Installer{
 
        /**
         * @brief Update an application
+        *
+        * This function installs an app. All information needed are passed in the
+        * associative array $data.
+        * The following keys are required:
+        *   - source: string, can be "path" or "http"
+        *
+        * One of the following keys is required:
+        *   - path: path to the file containing the app
+        *   - href: link to the downloadable file containing the app
+        *
+        * The following keys are optional:
+        *   - pretend: boolean, if set true the system won't do anything
+        *   - noupgrade: boolean, if true appinfo/upgrade.php won't be loaded
+        *
+        * This function works as follows
+        *   -# fetching the file
+        *   -# removing the old files
+        *   -# unzipping new file
+        *   -# including appinfo/upgrade.php
+        *   -# setting the installed version
+        *
+        * upgrade.php can determine the current installed version of the app using
+        * "OC_Appconfig::getValue($appid, 'installed_version')"
         */
        public static function updateApp( $app ) {
                $ocsid=OC_Appconfig::getValue( $app, 'ocsid');