extract client main to a run_client function

src/main.cc

@@ -174,6 +174,25 @@ void signal_handler(int signal)
     abort();
 }
 
+int run_client(const String& session, const String& init_command)
+{
+    try
+    {
+        EventManager event_manager;
+        auto client = connect_to(session,
+                                 std::unique_ptr<UserInterface>{new NCursesUI{}},
+                                 init_command);
+        while (true)
+            event_manager.handle_next_events();
+    }
+    catch (peer_disconnected&)
+    {
+        fputs("disconnected from server\n", stderr);
+        return -1;
+    }
+    return 0;
+}
+
 int kakoune(memoryview<String> params)
 {
     ParametersParser parser(params, { { "c", true },
@@ -195,24 +214,9 @@ int kakoune(memoryview<String> params)
                 return -1;
             }
         }
-        try
+        return run_client(parser.option_value("c"), init_command);
-        {
-            EventManager event_manager;
-            auto client = connect_to(parser.option_value("c"),
-                                     std::unique_ptr<UserInterface>{new NCursesUI{}},
-                                     init_command);
-            while (true)
-                event_manager.handle_next_events();
     }
-        catch (peer_disconnected&)
+
-        {
-            fputs("disconnected from server\n", stderr);
-            return -1;
-        }
-        return 0;
-    }
-    else
-    {
     const bool daemon = parser.has_option("d");
     static bool terminate = false;
     if (daemon)
@@ -308,7 +312,6 @@ int kakoune(memoryview<String> params)
     }
     return 0;
 }
-}
 
 int main(int argc, char* argv[])
 {