From a268436f68b4e7a72012c9fbb1e0bb2eb272d8ae Mon Sep 17 00:00:00 2001
From: Natsu Kagami <nki@nkagami.me>
Date: Wed, 8 Nov 2023 20:56:42 +0100
Subject: [PATCH] test -f is not enough

---
 home/fish/tide/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/home/fish/tide/default.nix b/home/fish/tide/default.nix
index 1b74bb0..2ac4b4c 100644
--- a/home/fish/tide/default.nix
+++ b/home/fish/tide/default.nix
@@ -54,7 +54,7 @@ in
       functions = tideItems ({
         nix_shell = ''
           # In a Nix Shell
-          if test -f $DIRENV_FILE && rg -q "^use flake" $DIRENV_FILE
+          if set -qx DIRENV_FILE && test -f $DIRENV_FILE && rg -q "^use flake" $DIRENV_FILE
             set -U tide_nix_shell_color "FFA500"
             set -U tide_nix_shell_bg_color normal
             _tide_print_item nix_shell "❄"