Display vscode message after changing cargo-watch options

1 files changed, 19 insertions, 0 deletions

diff --git a/editors/code/src/config.ts b/editors/code/src/config.ts
index ec2790b63..c6d5fc4af 100644
--- a/editors/code/src/config.ts
+++ b/editors/code/src/config.ts
@@ -42,6 +42,7 @@ export class Config {
 
     private prevEnhancedTyping: null | boolean = null;
     private prevCargoFeatures: null | CargoFeatures = null;
+    private prevCargoWatchOptions: null | CargoWatchOptions = null;
 
     constructor(ctx: vscode.ExtensionContext) {
         vscode.workspace.onDidChangeConfiguration(_ => this.refresh(), ctx.subscriptions);
@@ -173,6 +174,24 @@ export class Config {
             requireReloadMessage = 'Changing cargo features requires a reload';
         }
         this.prevCargoFeatures = { ...this.cargoFeatures };
+        
+        if (
+            this.prevCargoWatchOptions !== null &&
+            (this.cargoWatchOptions.enable !==
+                this.prevCargoWatchOptions.enable ||
+                this.cargoWatchOptions.command !==
+                this.prevCargoWatchOptions.command ||
+                this.cargoWatchOptions.allTargets !==
+                this.prevCargoWatchOptions.allTargets ||
+                this.cargoWatchOptions.arguments.length !==
+                this.prevCargoWatchOptions.arguments.length ||
+                this.cargoWatchOptions.arguments.some(
+                    (v, i) => v !== this.prevCargoWatchOptions!.arguments[i],
+                ))
+        ) {
+            requireReloadMessage = 'Changing cargo-watch options requires a reload';
+        }
+        this.prevCargoWatchOptions = { ...this.cargoWatchOptions };
 
         if (requireReloadMessage !== null) {
             const reloadAction = 'Reload now';