Move buffers from worktree to project

Co-Authored-By: Nathan Sobo <nathan@zed.dev>

crates/diagnostics/src/diagnostics.rs

@@ -764,9 +764,9 @@ mod tests {
             )
             .await;
 
-        let (worktree, _) = project
+        let worktree = project
             .update(&mut cx, |project, cx| {
-                project.find_or_create_worktree_for_abs_path("/test", false, cx)
+                project.add_local_worktree("/test", false, cx)
             })
             .await
             .unwrap();
@@ -777,9 +777,8 @@ mod tests {
             worktree
                 .as_local_mut()
                 .unwrap()
-                .update_diagnostic_entries(
+                .update_diagnostics(
                     Arc::from("/test/main.rs".as_ref()),
-                    None,
                     vec![
                         DiagnosticEntry {
                             range: PointUtf16::new(1, 8)..PointUtf16::new(1, 9),
@@ -930,9 +929,8 @@ mod tests {
             worktree
                 .as_local_mut()
                 .unwrap()
-                .update_diagnostic_entries(
+                .update_diagnostics(
                     Arc::from("/test/consts.rs".as_ref()),
-                    None,
                     vec![DiagnosticEntry {
                         range: PointUtf16::new(0, 15)..PointUtf16::new(0, 15),
                         diagnostic: Diagnostic {
@@ -1036,9 +1034,8 @@ mod tests {
             worktree
                 .as_local_mut()
                 .unwrap()
-                .update_diagnostic_entries(
+                .update_diagnostics(
                     Arc::from("/test/consts.rs".as_ref()),
-                    None,
                     vec![
                         DiagnosticEntry {
                             range: PointUtf16::new(0, 15)..PointUtf16::new(0, 15),

crates/language/src/buffer.rs

@@ -856,7 +856,7 @@ impl Buffer {
         version: Option<i32>,
         mut diagnostics: Vec<DiagnosticEntry<T>>,
         cx: &mut ModelContext<Self>,
-    ) -> Result<Operation>
+    ) -> Result<()>
     where
         T: Copy + Ord + TextDimension + Sub<Output = T> + Clip + ToPoint,
     {
@@ -944,10 +944,13 @@ impl Buffer {
 
         let set = DiagnosticSet::new(sanitized_diagnostics, content);
         self.apply_diagnostic_update(set.clone(), cx);
-        Ok(Operation::UpdateDiagnostics {
+
+        let op = Operation::UpdateDiagnostics {
             diagnostics: set.iter().cloned().collect(),
             lamport_timestamp: self.text.lamport_clock.tick(),
-        })
+        };
+        self.send_operation(op, cx);
+        Ok(())
     }
 
     fn request_autoindent(&mut self, cx: &mut ModelContext<Self>) {