get:source command updated

tools/src/GetSource.php

@@ -86,9 +86,7 @@ class GetSource extends Command
                         $git->merge("origin/" . $conf["branch"]);
                     }
                 } catch (GitException $e) {
-                    $output->writeln($e->getTraceAsString());
-
-                    die;
+                    $output->writeln("<error>" . $e->getMessage() . "</error>");
                 }
             }