Revert "Merge #5516"

This reverts commit 5b13c24, reversing
changes made to c3defe2.

Author: matklad

crates/rust-analyzer/src/config.rs

@@ -128,7 +128,6 @@ pub struct ClientCapsConfig {
     pub hover_actions: bool,
     pub status_notification: bool,
     pub signature_help_label_offsets: bool,
-    pub dynamic_watched_files: bool,
 }
 
 impl Config {
@@ -291,13 +290,6 @@ impl Config {
     }
 
     pub fn update_caps(&mut self, caps: &ClientCapabilities) {
-        if let Some(ws_caps) = caps.workspace.as_ref() {
-            if let Some(did_change_watched_files) = ws_caps.did_change_watched_files.as_ref() {
-                self.client_caps.dynamic_watched_files =
-                    did_change_watched_files.dynamic_registration.unwrap_or(false);
-            }
-        }
-
         if let Some(doc_caps) = caps.text_document.as_ref() {
             if let Some(value) = doc_caps.definition.as_ref().and_then(|it| it.link_support) {
                 self.client_caps.location_link = value;

crates/rust-analyzer/src/main_loop.rs

@@ -106,41 +106,38 @@ impl GlobalState {
             );
         };
 
-        if self.config.client_caps.dynamic_watched_files {
-            let save_registration_options = lsp_types::TextDocumentSaveRegistrationOptions {
-                include_text: Some(false),
-                text_document_registration_options: lsp_types::TextDocumentRegistrationOptions {
-                    document_selector: Some(vec![
-                        lsp_types::DocumentFilter {
-                            language: None,
-                            scheme: None,
-                            pattern: Some("**/*.rs".into()),
-                        },
-                        lsp_types::DocumentFilter {
-                            language: None,
-                            scheme: None,
-                            pattern: Some("**/Cargo.toml".into()),
-                        },
-                        lsp_types::DocumentFilter {
-                            language: None,
-                            scheme: None,
-                            pattern: Some("**/Cargo.lock".into()),
-                        },
-                    ]),
-                },
-            };
-
-            let registration = lsp_types::Registration {
-                id: "textDocument/didSave".to_string(),
-                method: "textDocument/didSave".to_string(),
-                register_options: Some(serde_json::to_value(save_registration_options).unwrap()),
-            };
-
-            self.send_request::<lsp_types::request::RegisterCapability>(
-                lsp_types::RegistrationParams { registrations: vec![registration] },
-                |_, _| (),
-            );
-        }
+        let save_registration_options = lsp_types::TextDocumentSaveRegistrationOptions {
+            include_text: Some(false),
+            text_document_registration_options: lsp_types::TextDocumentRegistrationOptions {
+                document_selector: Some(vec![
+                    lsp_types::DocumentFilter {
+                        language: None,
+                        scheme: None,
+                        pattern: Some("**/*.rs".into()),
+                    },
+                    lsp_types::DocumentFilter {
+                        language: None,
+                        scheme: None,
+                        pattern: Some("**/Cargo.toml".into()),
+                    },
+                    lsp_types::DocumentFilter {
+                        language: None,
+                        scheme: None,
+                        pattern: Some("**/Cargo.lock".into()),
+                    },
+                ]),
+            },
+        };
+
+        let registration = lsp_types::Registration {
+            id: "textDocument/didSave".to_string(),
+            method: "textDocument/didSave".to_string(),
+            register_options: Some(serde_json::to_value(save_registration_options).unwrap()),
+        };
+        self.send_request::<lsp_types::request::RegisterCapability>(
+            lsp_types::RegistrationParams { registrations: vec![registration] },
+            |_, _| (),
+        );
 
         self.fetch_workspaces();