From 872a348c3885569e89a484418e42a909f0beae88 Mon Sep 17 00:00:00 2001
From: Rebecca Stambler <rstambler@golang.org>
Date: Thu, 16 Jan 2020 12:39:00 -0500
Subject: [PATCH] internal/lsp: don't log context.Cancelation in diagnostics

Fixes golang/go#34103.

Change-Id: I76e713d54422d31b587cedd0e4359c8b3bc7845e
Reviewed-on: https://go-review.googlesource.com/c/tools/+/215019
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
---
 internal/lsp/diagnostics.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/internal/lsp/diagnostics.go b/internal/lsp/diagnostics.go
index cdbe16d3d3..c09f08fb4c 100644
--- a/internal/lsp/diagnostics.go
+++ b/internal/lsp/diagnostics.go
@@ -39,6 +39,9 @@ func (s *Server) diagnose(ctx context.Context, snapshot source.Snapshot) {
 	// Diagnose all of the packages in the workspace.
 	go func() {
 		wsPackages, err := snapshot.WorkspacePackages(ctx)
+		if ctx.Err() != nil {
+			return
+		}
 		if err != nil {
 			log.Error(ctx, "diagnose: no workspace packages", err, telemetry.Directory.Of(snapshot.View().Folder))
 			return