From e7bb3468d3e32f79b4a40e63040c344abc1f9062 Mon Sep 17 00:00:00 2001
From: hackyminer <hackyminer@gmail.com>
Date: Sun, 21 Oct 2018 19:31:18 +0900
Subject: [PATCH] eth: use LOCALAPPDATA env variable for the Ethash cache dir.

---
 eth/config.go | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/eth/config.go b/eth/config.go
index efbaafb6a2..de7558a0de 100644
--- a/eth/config.go
+++ b/eth/config.go
@@ -67,8 +67,15 @@ func init() {
 			home = user.HomeDir
 		}
 	}
-	if runtime.GOOS == "windows" {
-		DefaultConfig.Ethash.DatasetDir = filepath.Join(home, "AppData", "Ethash")
+	if runtime.GOOS == "darwin" {
+		DefaultConfig.Ethash.DatasetDir = filepath.Join(home, "Library", "Ethash")
+	} else if runtime.GOOS == "windows" {
+		localappdata := os.Getenv("LOCALAPPDATA")
+		if localappdata != "" {
+			DefaultConfig.Ethash.DatasetDir = filepath.Join(localappdata, "Ethash")
+		} else {
+			DefaultConfig.Ethash.DatasetDir = filepath.Join(home, "AppData", "Local", "Ethash")
+		}
 	} else {
 		DefaultConfig.Ethash.DatasetDir = filepath.Join(home, ".ethash")
 	}