From 9acf3185726a4db7af9064371cb42d320dad6b6c Mon Sep 17 00:00:00 2001
From: Damien Elmes <gpg@ankiweb.net>
Date: Tue, 2 Jun 2020 13:32:36 +1000
Subject: [PATCH] skip note update if unchanged

---
 rslib/src/notes.rs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/rslib/src/notes.rs b/rslib/src/notes.rs
index 6fa56f95f..9f0733dcd 100644
--- a/rslib/src/notes.rs
+++ b/rslib/src/notes.rs
@@ -261,6 +261,13 @@ impl Collection {
     }
 
     pub fn update_note(&mut self, note: &mut Note) -> Result<()> {
+        if let Some(existing_note) = self.storage.get_note(note.id)? {
+            if &existing_note == note {
+                // nothing to do
+                return Ok(());
+            }
+        }
+
         self.transact(None, |col| {
             let nt = col
                 .get_notetype(note.ntid)?