From 94d70292d0c687ebacb65d00bd516cbefa18d3ca Mon Sep 17 00:00:00 2001
From: Donovan Glover <donovan@dglover.co>
Date: Mon, 19 Aug 2024 18:12:23 +0000
Subject: [PATCH] fish: fix base16-fish causing startup issues with tmux (#503)

* fish: fix base16-fish causing startup issues with tmux

Closes #488

Co-authored-by: Daniel Thwaites <danthwaites30@btinternet.com>
---
 modules/fish/prompt.nix | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/modules/fish/prompt.nix b/modules/fish/prompt.nix
index dccce63..800b5de 100644
--- a/modules/fish/prompt.nix
+++ b/modules/fish/prompt.nix
@@ -6,5 +6,9 @@ let
   };
 in ''
   source ${theme}
-  base16-${config.lib.stylix.colors.slug}
+
+  # See https://github.com/tomyun/base16-fish/issues/7 for why this condition exists
+  if test -n "$base16_theme" && status --is-interactive && test -z "$TMUX"
+    base16-${config.lib.stylix.colors.slug}
+  end
 ''