From 0f6624491bb35ccfa360e5fd48b3954d635c50ba Mon Sep 17 00:00:00 2001
From: Blaž Hrastnik
Date: Thu, 18 Mar 2021 13:28:42 +0900
Subject: Fix completion panicking if text changed before insert completed.

---
 helix-term/src/commands.rs | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

(limited to 'helix-term/src')

diff --git a/helix-term/src/commands.rs b/helix-term/src/commands.rs
index 34e18e3e..1235a94e 100644
--- a/helix-term/src/commands.rs
+++ b/helix-term/src/commands.rs
@@ -1290,7 +1290,7 @@ pub fn completion(cx: &mut Context) {
 
     // TODO: if no completion, show some message or something
     if !res.is_empty() {
-        let snapshot = doc.state.clone();
+        // let snapshot = doc.state.clone();
         let mut menu = ui::Menu::new(
             res,
             |item| {
@@ -1304,13 +1304,13 @@ pub fn completion(cx: &mut Context) {
                     PromptEvent::Abort => {
                         // revert state
                         let doc = &mut editor.view_mut().doc;
-                        doc.state = snapshot.clone();
+                        // doc.state = snapshot.clone();
                     }
                     PromptEvent::Validate => {
                         let doc = &mut editor.view_mut().doc;
 
                         // revert state to what it was before the last update
-                        doc.state = snapshot.clone();
+                        // doc.state = snapshot.clone();
 
                         // extract as fn(doc, item):
 
@@ -1350,6 +1350,7 @@ pub fn completion(cx: &mut Context) {
                             }
                         }
 
+                        // TODO: <-- if state has changed by further input, transaction will panic on len
                         let transaction =
                             util::generate_transaction_from_edits(&doc.state, vec![edit]);
                         doc.apply(&transaction);
-- 
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