From 8521f1254860bf66cc2c5447682708f1ac1d4a94 Mon Sep 17 00:00:00 2001
From: "Thomas G. Lopes" <thomasgl@pm.me>
Date: Wed, 25 Mar 2026 16:01:10 +0000
Subject: [PATCH] use per-user runtime stats path for reliable gsfd+tui updates

---
 README.md                     | 2 +-
 crates/core/src/inputspeed.rs | 7 ++++++-
 daemon/src/main.rs            | 7 ++++++-
 nix/module.nix                | 1 +
 4 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 6d966be..2a8f563 100644
--- a/README.md
+++ b/README.md
@@ -73,7 +73,7 @@ Default config path:
 
 Default speed stats path:
 - `$XDG_RUNTIME_DIR/gsf-speed.txt` (if available)
-- fallback `~/.local/state/gsf/speed.txt`
+- fallback `/tmp/gsf-speed.txt`
 - override with `GSF_STATS_PATH`
 
 ## runtime requirements
diff --git a/crates/core/src/inputspeed.rs b/crates/core/src/inputspeed.rs
index c24134e..4ff7795 100644
--- a/crates/core/src/inputspeed.rs
+++ b/crates/core/src/inputspeed.rs
@@ -44,6 +44,11 @@ fn stats_path() -> PathBuf {
         return PathBuf::from(path);
     }
 
-    // Keep default shared across sudo/non-sudo runs.
+    if let Ok(runtime_dir) = std::env::var("XDG_RUNTIME_DIR")
+        && !runtime_dir.is_empty()
+    {
+        return PathBuf::from(runtime_dir).join("gsf-speed.txt");
+    }
+
     PathBuf::from("/tmp/gsf-speed.txt")
 }
diff --git a/daemon/src/main.rs b/daemon/src/main.rs
index 84ca94b..7162b26 100644
--- a/daemon/src/main.rs
+++ b/daemon/src/main.rs
@@ -367,6 +367,11 @@ fn stats_path() -> PathBuf {
         return PathBuf::from(path);
     }
 
-    // Keep default shared across sudo/non-sudo runs.
+    if let Ok(runtime_dir) = std::env::var("XDG_RUNTIME_DIR")
+        && !runtime_dir.is_empty()
+    {
+        return PathBuf::from(runtime_dir).join("gsf-speed.txt");
+    }
+
     PathBuf::from("/tmp/gsf-speed.txt")
 }
diff --git a/nix/module.nix b/nix/module.nix
index 1fba052..12c93de 100644
--- a/nix/module.nix
+++ b/nix/module.nix
@@ -89,6 +89,7 @@ in
       wantedBy = ["default.target"];
       after = ["graphical-session.target"];
       serviceConfig = {
+        Environment = ["GSF_STATS_PATH=%t/gsf-speed.txt"];
         ExecStart = "${cfg.package}/bin/gsfd --device ${lib.escapeShellArg cfg.device}${lib.optionalString (cfg.extraArgs != []) " ${extraArgs}"}";
         Restart = "on-failure";
         RestartSec = 1;