From 1dbfea54bc84c039bfac8d4df3fcefb9ecd133a4 Mon Sep 17 00:00:00 2001
From: David Chen <weichen2000121@gmail.com>
Date: Wed, 4 Dec 2019 19:16:47 -0800
Subject: [PATCH] better error handling

---
 pkg/gui/keybindings.go | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/pkg/gui/keybindings.go b/pkg/gui/keybindings.go
index 634830e6c..7ea457bfd 100644
--- a/pkg/gui/keybindings.go
+++ b/pkg/gui/keybindings.go
@@ -2,6 +2,7 @@ package gui
 
 import (
 	"github.com/jesseduffield/gocui"
+	"log"
 	"strings"
 )
 
@@ -140,10 +141,16 @@ var keymap = map[string]interface{}{
 func (gui *Gui) getKey(name string) interface{} {
 	key := gui.Config.GetUserConfig().GetString("keybinding." + name)
 	if len(key) > 1 {
-		return keymap[strings.ToLower(key)]
+		binding := keymap[strings.ToLower(key)]
+		if binding == nil {
+			log.Fatal("Unrecognized binding: " + strings.ToLower(key))
+		} else {
+			return binding
+		}
 	} else if len(key) == 1 {
 		return []rune(key)[0]
 	}
+	log.Fatal("Key empty for function: " + strings.ToLower(name))
 	return nil
 }