From aa8112c84706b10dd4d1d6753e01189bf3482851 Mon Sep 17 00:00:00 2001
From: fifty-six <ybham6@gmail.com>
Date: Wed, 19 Jan 2022 16:09:48 -0500
Subject: [PATCH] std/fs: Support `XDG_DATA_HOME`

This is generally used for user-specific data on linux, with the
default being ~/.local/share
---
 lib/std/fs/get_app_data_dir.zig | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/std/fs/get_app_data_dir.zig b/lib/std/fs/get_app_data_dir.zig
index a60e9e5c59..4f7ba9af62 100644
--- a/lib/std/fs/get_app_data_dir.zig
+++ b/lib/std/fs/get_app_data_dir.zig
@@ -45,6 +45,10 @@ pub fn getAppDataDir(allocator: mem.Allocator, appname: []const u8) GetAppDataDi
             return fs.path.join(allocator, &[_][]const u8{ home_dir, "Library", "Application Support", appname });
         },
         .linux, .freebsd, .netbsd, .dragonfly, .openbsd, .solaris => {
+            if (os.getenv("XDG_DATA_HOME")) |xdg| {
+                return fs.path.join(allocator, &[_][]const u8{ xdg, appname });
+            }
+
             const home_dir = os.getenv("HOME") orelse {
                 // TODO look in /etc/passwd
                 return error.AppDataDirUnavailable;