From 62ce1bd9e719656d5005e3895ccb6e75c8e7ce23 Mon Sep 17 00:00:00 2001
From: Stephen Seo <seo.disparate@gmail.com>
Date: Tue, 8 Feb 2022 13:29:27 +0900
Subject: [PATCH] Assert that XDG_RUNTIME_DIR is set if used

---
 src/main.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/main.rs b/src/main.rs
index 8bcfc26..54353a1 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -290,6 +290,7 @@ fn main() -> Result<(), String> {
         prefix_dir = opt.alternate_prefix_dir.clone();
     } else {
         prefix_dir = var("XDG_RUNTIME_DIR").map_err(|e| format!("{}", e))?;
+        assert!(!prefix_dir.is_empty(), "XDG_RUNTIME_DIR is not set");
     }
 
     let mut send_total_path = PathBuf::new();