From 0e5159ceca6be34977349156a32cc1a3ec53ab6e Mon Sep 17 00:00:00 2001
From: Pascal Kuthe <pascal.kuthe@semimod.de>
Date: Wed, 18 Jan 2023 22:28:47 +0100
Subject: [PATCH] Fix panic for noop selecting join (#5579)

---
 helix-term/src/commands.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/helix-term/src/commands.rs b/helix-term/src/commands.rs
index 5b3ce68ec..8b742d00a 100644
--- a/helix-term/src/commands.rs
+++ b/helix-term/src/commands.rs
@@ -3939,6 +3939,11 @@ fn join_selections_impl(cx: &mut Context, select_space: bool) {
         }
     }
 
+    // nothing to do, bail out early to avoid crashes later
+    if changes.is_empty() {
+        return;
+    }
+
     changes.sort_unstable_by_key(|(from, _to, _text)| *from);
     changes.dedup();