From c3af384c7095f3f80374eccd29d3c54273b1617d Mon Sep 17 00:00:00 2001
From: Maxime Coste <mawww@kakoune.org>
Date: Wed, 15 Feb 2017 18:59:37 +0000
Subject: [PATCH] Detect when -client, -buffer or -try-client are used at the
 same time

Fixes #1218
---
 src/commands.cc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/commands.cc b/src/commands.cc
index 8d98e1e0..23db3dbc 100644
--- a/src/commands.cc
+++ b/src/commands.cc
@@ -1522,6 +1522,11 @@ private:
 template<typename Func>
 void context_wrap(const ParametersParser& parser, Context& context, Func func)
 {
+    if ((int)(bool)parser.get_switch("buffer") +
+        (int)(bool)parser.get_switch("client") +
+        (int)(bool)parser.get_switch("try-client") > 1)
+        throw runtime_error{"Only one of -buffer, -client or -try-client can be specified"};
+
     // Disable these options to avoid costly code paths (and potential screen
     // redraws) That are useful only in interactive contexts.
     DisableOption<AutoInfo> disable_autoinfo(context, "autoinfo");