From d82ea2279d1341b38dca21f3a97716c06ed5ddd8 Mon Sep 17 00:00:00 2001
From: Ted Singer <tedsinger1@gmail.com>
Date: Sat, 21 Oct 2017 18:59:11 -0400
Subject: [PATCH] If the history file is unreadable or unparseable,
 Messenger.history remained nil, causing a panic on read. Now in that case, we
 temporarily disable saving history and initialize history to empty, instead
 of nil

---
 cmd/micro/messenger.go |  2 ++
 cmd/micro/settings.go  | 10 ++++++----
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/cmd/micro/messenger.go b/cmd/micro/messenger.go
index 1212725b..bc71b644 100644
--- a/cmd/micro/messenger.go
+++ b/cmd/micro/messenger.go
@@ -501,6 +501,8 @@ func (m *Messenger) LoadHistory() {
 
 		if err != nil {
 			m.Error("Error loading history:", err)
+			SetOption("savehistory", "false")
+			m.history = make(map[string][]string)
 			return
 		}
 
diff --git a/cmd/micro/settings.go b/cmd/micro/settings.go
index 02f61313..f35a3beb 100644
--- a/cmd/micro/settings.go
+++ b/cmd/micro/settings.go
@@ -326,10 +326,12 @@ func SetOption(option, value string) error {
 		}
 	}
 
-	if _, ok := CurView().Buf.Settings[option]; ok {
-		for _, tab := range tabs {
-			for _, view := range tab.views {
-				SetLocalOption(option, value, view)
+	if len(tabs) != 0 {
+		if _, ok := CurView().Buf.Settings[option]; ok {
+			for _, tab := range tabs {
+				for _, view := range tab.views {
+					SetLocalOption(option, value, view)
+				}
 			}
 		}
 	}