From bbd7bcf4aac6a261c2cb2c09bb6b396d76c4cc10 Mon Sep 17 00:00:00 2001
From: Thomas Frans <franske2000@gmail.com>
Date: Sat, 3 Jun 2023 16:04:02 +0200
Subject: [PATCH] fix: command line multi-byte prefix panic

Don't index into the command line command as the prefix can be altered
by the user and therefore be a multi-byte unicode character.
---
 src/ui/layout.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/ui/layout.rs b/src/ui/layout.rs
index 5aeeed7..3b10c44 100644
--- a/src/ui/layout.rs
+++ b/src/ui/layout.rs
@@ -58,7 +58,9 @@ impl Layout {
             s.on_layout(|_, mut layout| layout.clear_cmdline());
 
             // 3. Get the actual command without the prefix (like `:` or `/`)...
-            let cmd_without_prefix = &cmd[1..];
+            let mut command_characters = cmd.chars();
+            command_characters.next();
+            let cmd_without_prefix = command_characters.as_str();
             if cmd.strip_prefix('/').is_some() {
                 // 4. If it is a search command...