From: Brad Fitzpatrick <bradfitz@golang.org>
Date: Sat, 13 Jan 2018 15:28:42 +0000 (+0000)
Subject: cmd/go: use Windows %AppData% for build cache if %LocalAppData% is empty
X-Git-Tag: go1.10rc1~43
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=9f31353a6cc4c1ee3a74e6dd0ebf6c08579d50a1;p=gostls13.git

cmd/go: use Windows %AppData% for build cache if %LocalAppData% is empty

Fixes #23190

Change-Id: I96805aaab44ddaae6098b4e3af30f9e52585eae0
Reviewed-on: https://go-review.googlesource.com/87675
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
---

diff --git a/src/cmd/go/internal/cache/default.go b/src/cmd/go/internal/cache/default.go
index 8a5c12c5f5..8285f787d4 100644
--- a/src/cmd/go/internal/cache/default.go
+++ b/src/cmd/go/internal/cache/default.go
@@ -68,6 +68,11 @@ func DefaultDir() string {
 	switch runtime.GOOS {
 	case "windows":
 		dir = os.Getenv("LocalAppData")
+		if dir == "" {
+			// Fall back to %AppData%, the old name of
+			// %LocalAppData% on Windows XP.
+			dir = os.Getenv("AppData")
+		}
 		if dir == "" {
 			return "off"
 		}