From 1007e0c3df30ed7d213ca6ac888f461d30b9f5fe Mon Sep 17 00:00:00 2001
From: Alexander Shirokov <shirokovalexs@gmail.com>
Date: Wed, 23 Jul 2025 14:33:50 +0200
Subject: [PATCH] helix-term:fix crash on unwrap graphemes

This change replaces a direct unwrap with a map. If the optional value
is missing, a default is used.

The issue was discovered accidentally while porting the Helix editor to
an ARM-based platform and running it in QEMU.
---
 helix-term/src/ui/prompt.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/helix-term/src/ui/prompt.rs b/helix-term/src/ui/prompt.rs
index ff4ca1fcc..57da74494 100644
--- a/helix-term/src/ui/prompt.rs
+++ b/helix-term/src/ui/prompt.rs
@@ -779,8 +779,8 @@ impl Component for Prompt {
             col += self.line[self.cursor..]
                 .graphemes(true)
                 .next()
-                .unwrap()
-                .width();
+                .map(|g| g.width())
+                .unwrap_or(0);
         }
 
         let line = area.height as usize - 1;