finally got reload working

helix-editor · Feb 19, 2023 · 18459f8 · 18459f8
1 parent 92064f7
commit 18459f8
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/helix-view/src/document.rs b/helix-view/src/document.rs
@@ -634,7 +634,12 @@ impl Document {
                         .into_std()
                         .await;
                     tokio::task::spawn_blocking(move || -> anyhow::Result<()> {
-                        let append = undofile.metadata()?.len() != 0;
+                        let append =
+                            History::deserialize(&mut std::fs::File::open(&undofile_path)?, &path)
+                                .is_ok();
+                        if !append {
+                            undofile.set_len(0)?;
+                        }
                         history.serialize(&mut undofile, &path, current_rev, append)?;
                         Ok(())
                     })