From ce94c0a79170a174096de902ee93ad38e6c75d6f Mon Sep 17 00:00:00 2001
From: Ian Lance Taylor <iant@golang.org>
Date: Wed, 3 Jan 2018 09:55:02 -0800
Subject: [PATCH] cmd/go: on Windows, disable cache if LocalAppData is not set

Fixes #23146

Change-Id: I06e3328ecca5e27f8e1ada05c2d7cd9bdda714e6
Reviewed-on: https://go-review.googlesource.com/85996
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
---
 src/cmd/go/internal/cache/default.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/cmd/go/internal/cache/default.go b/src/cmd/go/internal/cache/default.go
index 6411ec7a56..8a5c12c5f5 100644
--- a/src/cmd/go/internal/cache/default.go
+++ b/src/cmd/go/internal/cache/default.go
@@ -68,6 +68,9 @@ func DefaultDir() string {
 	switch runtime.GOOS {
 	case "windows":
 		dir = os.Getenv("LocalAppData")
+		if dir == "" {
+			return "off"
+		}
 
 	case "darwin":
 		dir = os.Getenv("HOME")
-- 
2.50.0