From afaeb7423871552e20480d44576cadc807824d1b Mon Sep 17 00:00:00 2001
From: gym603 <smalltalkman@foxmail.com>
Date: Fri, 1 Dec 2023 05:04:42 +0800
Subject: [PATCH] os: create the folder described by `XDG_CACHE_HOME`, *if it
 is non empty, and it does not exist yet*, when calling `os.cache_dir()`
 (#20046)

---
 vlib/os/os.v | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/vlib/os/os.v b/vlib/os/os.v
index 7e3b68564b..0b521a8326 100644
--- a/vlib/os/os.v
+++ b/vlib/os/os.v
@@ -733,6 +733,9 @@ pub fn cache_dir() string {
 	// or empty, a default equal to $HOME/.cache should be used.
 	xdg_cache_home := getenv('XDG_CACHE_HOME')
 	if xdg_cache_home != '' {
+		if !is_dir(xdg_cache_home) && !is_link(xdg_cache_home) {
+			mkdir_all(xdg_cache_home, mode: 0o700) or { panic(err) }
+		}
 		return xdg_cache_home
 	}
 	cdir := join_path_single(home_dir(), '.cache')