From 5e35954a8c3f8dff1d031161b9b5f73784d73a21 Mon Sep 17 00:00:00 2001
From: Russ Cox <rsc@golang.org>
Date: Thu, 2 Nov 2017 09:19:10 -0400
Subject: [PATCH] cmd/go: disable implicit $GOCACHE when clearing $HOME in test

Change-Id: Ie9967c8aaf7cf2e90a442937df21b1218f7ae26f
Reviewed-on: https://go-review.googlesource.com/75472
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: David Crawshaw <crawshaw@golang.org>
---
 src/cmd/go/go_test.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/cmd/go/go_test.go b/src/cmd/go/go_test.go
index a4f6452de5..5e31ef3d35 100644
--- a/src/cmd/go/go_test.go
+++ b/src/cmd/go/go_test.go
@@ -155,6 +155,9 @@ func TestMain(m *testing.M) {
 		os.Setenv("CCACHE_DIR", filepath.Join(home, ".ccache"))
 	}
 	os.Setenv("HOME", "/test-go-home-does-not-exist")
+	if os.Getenv("GOCACHE") == "" {
+		os.Setenv("GOCACHE", "off") // because $HOME is gone
+	}
 
 	r := m.Run()
 
-- 
2.48.1