move language server refresh to document saved event handler

helix-term/src/application.rs

@@ -462,14 +462,27 @@ impl Application {
         let lines = doc_save_event.text.len_lines();
         let bytes = doc_save_event.text.len_bytes();
 
+        if doc.path() != Some(&doc_save_event.path) {
             if let Err(err) = doc.set_path(Some(&doc_save_event.path)) {
                 log::error!(
                     "error setting path for doc '{:?}': {}",
                     doc.path(),
                     err.to_string(),
                 );
+
                 self.editor.set_error(err.to_string());
-        } else {
+                return;
+            }
+
+            let loader = self.editor.syn_loader.clone();
+
+            // borrowing the same doc again to get around the borrow checker
+            let doc = self.editor.document_mut(doc_save_event.doc_id).unwrap();
+            let id = doc.id();
+            doc.detect_language(loader);
+            let _ = self.editor.refresh_language_server(id);
+        }
+
         // TODO: fix being overwritten by lsp
         self.editor.set_status(format!(
             "'{}' written, {}L {}B",
@@ -478,7 +491,6 @@ impl Application {
             bytes
         ));
     }
-    }
 
     #[inline(always)]
     pub async fn handle_editor_event(&mut self, event: EditorEvent) -> bool {

helix-term/src/commands.rs

@@ -2519,7 +2519,7 @@ async fn make_format_callback(
     write: Option<(Option<PathBuf>, bool)>,
 ) -> anyhow::Result<job::Callback> {
     let format = format.await?;
-    let call: job::Callback = Callback::EditorCompositor(Box::new(move |editor, _compositor| {
+    let call: job::Callback = Callback::Editor(Box::new(move |editor| {
         if !editor.documents.contains_key(&doc_id) {
             return;
         }
@@ -2527,7 +2527,6 @@ async fn make_format_callback(
         let scrolloff = editor.config().scrolloff;
         let doc = doc_mut!(editor, &doc_id);
         let view = view_mut!(editor);
-        let loader = editor.syn_loader.clone();
 
         if doc.version() == doc_version {
             apply_transaction(&format, doc, view);
@@ -2536,14 +2535,8 @@ async fn make_format_callback(
             view.ensure_cursor_in_view(doc, scrolloff);
 
             if let Some((path, force)) = write {
-                let refresh_lang = path.is_some();
-
                 if let Err(err) = doc.save(path, force) {
                     editor.set_error(format!("Error saving: {}", err));
-                } else if refresh_lang {
-                    let id = doc.id();
-                    doc.detect_language(loader);
-                    let _ = editor.refresh_language_server(id);
                 }
             }
         } else {