fix workspace/willRenameFiles buffer not editing

crates/editor/src/editor.rs

@@ -1903,6 +1903,30 @@ impl Editor {
                             editor.update_lsp_data(false, Some(*buffer_id), window, cx);
                         }
                     }
+                    project::Event::UnsavedBufferEdit(buffer) => {
+                        let Some(workspace) = editor.workspace() else {
+                            return;
+                        };
+                        workspace.update(cx, |workspace, cx| {
+                            Self::new_in_workspace_from_buffer(
+                                workspace,
+                                buffer.clone(),
+                                window,
+                                cx,
+                            ).detach_and_prompt_err(
+                                "Failed to open buffer",
+                                window,
+                                cx,
+                                |e, _, _| match e.error_code() {
+                                    ErrorCode::RemoteUpgradeRequired => Some(format!(
+                                    "The remote instance of Zed does not support this yet. It must be upgraded to {}",
+                                    e.error_tag("required").unwrap_or("the latest version")
+                                )),
+                                    _ => None,
+                                },
+                            );
+                        });
+                    }
                     _ => {}
                 },
             ));
@@ -2584,6 +2608,23 @@ impl Editor {
         })
     }
 
+    fn new_in_workspace_from_buffer(
+        workspace: &mut Workspace,
+        buffer: Entity<Buffer>,
+        window: &mut Window,
+        cx: &mut Context<Workspace>,
+    ) -> Task<Result<Entity<Editor>>> {
+        let project = workspace.project().clone();
+        cx.spawn_in(window, async move |workspace, cx| {
+            workspace.update_in(cx, |workspace, window, cx| {
+                let editor =
+                    cx.new(|cx| Editor::for_buffer(buffer, Some(project.clone()), window, cx));
+                workspace.add_item_to_active_pane(Box::new(editor.clone()), None, true, window, cx);
+                editor
+            })
+        })
+    }
+
     fn new_file_vertical(
         workspace: &mut Workspace,
         _: &workspace::NewFileSplitVertical,

crates/project/src/lsp_store.rs

@@ -3555,6 +3555,7 @@ pub enum LspStoreEvent {
         edits: Vec<(lsp::Range, Snippet)>,
         most_recent_edit: clock::Lamport,
     },
+    UnsavedBufferEdit(Entity<Buffer>),
 }
 
 #[derive(Clone, Debug, Serialize)]
@@ -9210,15 +9211,24 @@ impl LspStore {
                                     .log_err()
                                     .flatten()?;
 
-                                LocalLspStore::deserialize_workspace_edit(
-                                    this.upgrade()?,
-                                    edit,
-                                    false,
-                                    language_server.clone(),
-                                    cx,
-                                )
-                                .await
-                                .ok();
+                                if let Some(transaction) =
+                                    LocalLspStore::deserialize_workspace_edit(
+                                        this.upgrade()?,
+                                        edit,
+                                        false,
+                                        language_server.clone(),
+                                        cx,
+                                    )
+                                    .await
+                                    .ok()
+                                {
+                                    for (buffer, _) in transaction.0 {
+                                        this.update(cx, |_, cx| {
+                                            cx.emit(LspStoreEvent::UnsavedBufferEdit(buffer));
+                                        })
+                                        .ok();
+                                    }
+                                }
                                 Some(())
                             }
                         });

crates/project/src/project.rs

@@ -326,6 +326,7 @@ pub enum Event {
     RefreshCodeLens,
     RevealInProjectPanel(ProjectEntryId),
     SnippetEdit(BufferId, Vec<(lsp::Range, Snippet)>),
+    UnsavedBufferEdit(Entity<Buffer>),
     ExpandedAllForEntry(WorktreeId, ProjectEntryId),
     AgentLocationChanged,
 }
@@ -2985,6 +2986,9 @@ impl Project {
                     cx.emit(Event::SnippetEdit(*buffer_id, edits.clone()))
                 }
             }
+            LspStoreEvent::UnsavedBufferEdit(buffer) => {
+                cx.emit(Event::UnsavedBufferEdit(buffer.clone()));
+            }
         }
     }