fix appstore download.

lib/app.php

@@ -100,7 +100,7 @@ class OC_App{
 			}else{
                                 $download=OC_OCSClient::getApplicationDownload($app,1);
 				if(isset($download['downloadlink']) and $download['downloadlink']<>'') {
-					OC_Installer::installApp(array('source'=>'http','href'=>$download['downloadlink']));
+					$app=OC_Installer::installApp(array('source'=>'http','href'=>$download['downloadlink']));
 				}
 			}
 		}

lib/installer.php

@@ -152,14 +152,14 @@ class OC_Installer{
 		}
 		
 		//run appinfo/install.php
-		if(!isset($data['noinstall']) or $data['noinstall']==false and is_file($basedir.'/appinfo/install.php')){
+		if((!isset($data['noinstall']) or $data['noinstall']==false) and file_exists($basedir.'/appinfo/install.php')){
 			include($basedir.'/appinfo/install.php');
 		}
 		
 		//set the installed version
 		OC_Appconfig::setValue($info['id'],'installed_version',$info['version']);
 		OC_Appconfig::setValue($info['id'],'enabled','no');
-		return true;
+		return $info['id'];
 	}
 
 	/**

settings/apps.php

@@ -57,14 +57,22 @@ usort($apps, 'app_sort');
  	$categories=array_keys($catagoryNames);
  	$externalApps=OC_OCSClient::getApplications($categories);
  	foreach($externalApps as $app){
- 		$apps[]=array(
- 			'name'=>$app['name'],
- 			'id'=>$app['id'],
- 			'active'=>false,
- 			'description'=>$app['description'],
- 			'author'=>$app['personid'],
- 			'license'=>$app['license'],
- 		);
+		// show only external apps that are not exist yet
+		$local=false;
+ 		foreach($apps as $a){
+			if($a['name']==$app['name']) $local=true;			
+		}
+
+		if(!$local) {
+	 		$apps[]=array(
+ 				'name'=>$app['name'],
+ 				'id'=>$app['id'],
+ 				'active'=>false,
+ 				'description'=>$app['description'],
+ 				'author'=>$app['personid'],
+ 				'license'=>$app['license'],
+ 			);
+		}
  	}
  }