From fa2eeccc573cd985b428d337294a7171a1ba35b5 Mon Sep 17 00:00:00 2001
From: Andrey Tkachenko <andrey@aidev.ru>
Date: Tue, 31 May 2022 18:08:16 +0400
Subject: [PATCH] Fix unwrap error when undo after `shell_append_output`
 (#2625)

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

diff --git a/helix-term/src/commands.rs b/helix-term/src/commands.rs
index 8024e3f0..a692822f 100644
--- a/helix-term/src/commands.rs
+++ b/helix-term/src/commands.rs
@@ -4430,6 +4430,7 @@ fn shell(cx: &mut compositor::Context, cmd: &str, behavior: &ShellBehavior) {
     if behavior != &ShellBehavior::Ignore {
         let transaction = Transaction::change(doc.text(), changes.into_iter());
         doc.apply(&transaction, view.id);
+        doc.append_changes_to_history(view.id);
     }
 
     // after replace cursor may be out of bounds, do this to