From 14070659fd9b53959f7a6df5c9d00799439fb721 Mon Sep 17 00:00:00 2001
From: Lukas Wirth <lukas.wirth@ferrous-systems.com>
Date: Tue, 29 Oct 2024 11:06:16 +0100
Subject: [PATCH] fix: Fix the server not honoring diagnostic refresh support

---
 .../crates/rust-analyzer/src/lsp/capabilities.rs            | 5 +++++
 .../rust-analyzer/crates/rust-analyzer/src/main_loop.rs     | 6 ++----
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/lsp/capabilities.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/lsp/capabilities.rs
index 271a9c0f3d1..1db616898e8 100644
--- a/src/tools/rust-analyzer/crates/rust-analyzer/src/lsp/capabilities.rs
+++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/lsp/capabilities.rs
@@ -463,6 +463,11 @@ pub fn inlay_hints_refresh(&self) -> bool {
             .unwrap_or_default()
     }
 
+    pub fn diagnostics_refresh(&self) -> bool {
+        (|| -> _ { self.0.workspace.as_ref()?.diagnostic.as_ref()?.refresh_support })()
+            .unwrap_or_default()
+    }
+
     pub fn inlay_hint_resolve_support_properties(&self) -> FxHashSet<&str> {
         self.0
             .text_document
diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/main_loop.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/main_loop.rs
index 9a51df80fe1..73fce42437f 100644
--- a/src/tools/rust-analyzer/crates/rust-analyzer/src/main_loop.rs
+++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/main_loop.rs
@@ -417,8 +417,6 @@ fn handle_event(&mut self, event: Event) {
                 }
             }
 
-            let supports_diagnostic_pull_model = self.config.text_document_diagnostic();
-
             let client_refresh = became_quiescent || state_changed;
             if client_refresh {
                 // Refresh semantic tokens if the client supports it.
@@ -437,7 +435,7 @@ fn handle_event(&mut self, event: Event) {
                     self.send_request::<lsp_types::request::InlayHintRefreshRequest>((), |_, _| ());
                 }
 
-                if supports_diagnostic_pull_model {
+                if self.config.diagnostics_refresh() {
                     self.send_request::<lsp_types::request::WorkspaceDiagnosticRefresh>(
                         (),
                         |_, _| (),
@@ -448,7 +446,7 @@ fn handle_event(&mut self, event: Event) {
             let project_or_mem_docs_changed =
                 became_quiescent || state_changed || memdocs_added_or_removed;
             if project_or_mem_docs_changed
-                && !supports_diagnostic_pull_model
+                && !self.config.text_document_diagnostic()
                 && self.config.publish_diagnostics(None)
             {
                 self.update_diagnostics();