From b331f08b7790da05390124003fd960bddfda0d30 Mon Sep 17 00:00:00 2001
From: Benjamin Christopher Simmonds
 <44439583+benibenj@users.noreply.github.com>
Date: Fri, 5 Dec 2025 00:04:13 +0100
Subject: [PATCH] Make diagnostics context provider experiment configurable by
 language (#2412)

* make the diagnostics context provider exp configurable based on the language

* change name
---
 .../diagnosticsContext/vscode/diagnosticsContextProvider.ts | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/extensions/copilot/src/extension/diagnosticsContext/vscode/diagnosticsContextProvider.ts b/extensions/copilot/src/extension/diagnosticsContext/vscode/diagnosticsContextProvider.ts
index 3446d9f488f..e722bc3c276 100644
--- a/extensions/copilot/src/extension/diagnosticsContext/vscode/diagnosticsContextProvider.ts
+++ b/extensions/copilot/src/extension/diagnosticsContext/vscode/diagnosticsContextProvider.ts
@@ -78,6 +78,12 @@ class ContextResolver implements Copilot.ContextResolver<Copilot.SupportedContex
 			return [];
 		}
 
+		const languageId = request.documentContext.languageId;
+		const languageEnablement = this.experimentationService.getTreatmentVariable<boolean>(`config.github.copilot.chat.inlineEdits.diagnosticsContextProvider.${languageId}`);
+		if (!languageEnablement) {
+			return [];
+		}
+
 		const requestedFileResource = URI.parse(request.documentContext.uri);
 		const cursor = new Position(request.documentContext.position.line + 1, request.documentContext.position.character + 1);
 		const linesAbove = this.configurationService.getExperimentBasedConfig(ConfigKey.TeamInternal.InlineEditsXtabProviderNLinesAbove, this.experimentationService) ?? N_LINES_ABOVE;