From 9b9633e07a7b3d552d4478601490aaa8ed48ae18 Mon Sep 17 00:00:00 2001
From: Rob Findley <rfindley@google.com>
Date: Fri, 30 Apr 2021 11:37:24 -0400
Subject: [PATCH] internal/lsp/regtest: force GOPACKAGESDRIVER=off

There's no easy way to do this via the LSP, as go/packages reads from
the environment, so simply call os.Setenv.

Fixes golang/go#45866

Change-Id: Iae4e929d47ffef5ffe023ed1886d773a74fd836f
Reviewed-on: https://go-review.googlesource.com/c/tools/+/315649
Trust: Robert Findley <rfindley@google.com>
Run-TryBot: Robert Findley <rfindley@google.com>
Reviewed-by: Heschi Kreinick <heschi@google.com>
gopls-CI: kokoro <noreply+kokoro@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
---
 internal/lsp/regtest/regtest.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/internal/lsp/regtest/regtest.go b/internal/lsp/regtest/regtest.go
index 35cf3f33cb..c1df26d8aa 100644
--- a/internal/lsp/regtest/regtest.go
+++ b/internal/lsp/regtest/regtest.go
@@ -87,6 +87,9 @@ func DefaultModes() Mode {
 func Main(m *testing.M, hook func(*source.Options)) {
 	testenv.ExitIfSmallMachine()
 
+	// Disable GOPACKAGESDRIVER, as it can cause spurious test failures.
+	os.Setenv("GOPACKAGESDRIVER", "off")
+
 	flag.Parse()
 	if os.Getenv("_GOPLS_TEST_BINARY_RUN_AS_GOPLS") == "true" {
 		tool.Main(context.Background(), cmd.New("gopls", "", nil, nil), os.Args[1:])