From 3479d5a93ee6007c11f5fabdc8723566934ab06c Mon Sep 17 00:00:00 2001
From: Daniel Liu <liudaniel@qq.com>
Date: Fri, 8 Nov 2024 12:06:54 +0800
Subject: [PATCH] node: require LocalAppData variable (#19132)

---
 node/defaults.go | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/node/defaults.go b/node/defaults.go
index f43fbeec98bd3..8baa8b6e39356 100644
--- a/node/defaults.go
+++ b/node/defaults.go
@@ -78,13 +78,14 @@ func DefaultDataDir() string {
 }
 
 func windowsAppData() string {
-	if v := os.Getenv("LOCALAPPDATA"); v != "" {
-		return v // Vista+
+	v := os.Getenv("LOCALAPPDATA")
+	if v == "" {
+		// Windows XP and below don't have LocalAppData. Crash here because
+		// we don't support Windows XP and undefining the variable will cause
+		// other issues.
+		panic("environment variable LocalAppData is undefined")
 	}
-	if v := os.Getenv("APPDATA"); v != "" {
-		return filepath.Join(v, "Local")
-	}
-	return ""
+	return v
 }
 
 func isNonEmptyDir(dir string) bool {