reset Makefile

Makefile

@@ -4,6 +4,7 @@ USER=$(shell id -u -n)
 TIME=$(shell date)
 JR_HOME=jr
 
+ifndef XDG_DATA_DIRS
 ifeq ($(OS), Windows_NT)
 	detectedOS := Windows
 else
@@ -12,16 +13,36 @@ endif
 
 ifeq ($(detectedOS), Darwin)
 	JR_SYSTEM_DIR="$(HOME)/Library/Application Support"
-	JR_USER_DIR="$(HOME)/.local/share"
 endif
-ifeq ($(detectedOS), Linux)
+ifeq ($(detectedOS),  Linux)
 	JR_SYSTEM_DIR="$(HOME)/.config"
-	JR_USER_DIR="$(HOME)/.local/share"
 endif
 ifeq ($(detectedOS), Windows_NT)
 	JR_SYSTEM_DIR="$(LOCALAPPDATA)"
+endif
+else
+	JR_SYSTEM_DIR=$(XDG_DATA_DIRS)
+endif
+
+ifndef XDG_DATA_HOME
+ifeq ($(OS), Windows_NT)
+	detectedOS := Windows
+else
+	detectedOS := $(shell sh -c 'uname 2>/dev/null || echo Unknown')
+endif
+
+ifeq ($(detectedOS), Darwin)
+	JR_USER_DIR="$(HOME)/.local/share"
+endif
+ifeq ($(detectedOS),  Linux)
+	JR_USER_DIR="$(HOME)/.local/share"
+endif
+ifeq ($(detectedOS), Windows_NT)
 	JR_USER_DIR="$(LOCALAPPDATA)" //@TODO
 endif
+else
+	JR_USER_DIR=$(XDG_DATA_HOME)
+endif
 
 hello:
 	@echo "JR,the JSON Random Generator"
@@ -89,4 +110,4 @@ install:
 	install build/jr /usr/local/bin
 
 all: hello install-gogen generate compile
-all_offline: hello generate compile
+all_offline: hello generate compile