From 0c3b0c10791c332537b4050e33429feb09db7c62 Mon Sep 17 00:00:00 2001
From: Akshay <nerdy@peppe.rs>
Date: Wed, 24 Mar 2021 13:03:45 +0530
Subject: fix empty history panic

---
 src/command.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/command.rs b/src/command.rs
index d80f1f2..f5a24c9 100644
--- a/src/command.rs
+++ b/src/command.rs
@@ -81,6 +81,9 @@ impl CommandBox {
     }
 
     pub fn hist_prev(&mut self) {
+        if self.history.items.is_empty() {
+            return;
+        }
         if let Some(idx) = self.hist_idx {
             if !(idx + 1 >= self.history.items.len()) {
                 self.hist_idx = Some(idx + 1);
-- 
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