From a6915a6d2dbfd7c510824e3b914216122480afdd Mon Sep 17 00:00:00 2001
From: Noah Masur <7386960+nmasur@users.noreply.github.com>
Date: Thu, 25 Dec 2025 17:22:12 -0700
Subject: [PATCH] try to fix nix-darwin breaking starship prompt on rebuild

---
 .../modules/nmasur/presets/programs/fish.nix       | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/platforms/nix-darwin/modules/nmasur/presets/programs/fish.nix b/platforms/nix-darwin/modules/nmasur/presets/programs/fish.nix
index 9150603..8107f87 100644
--- a/platforms/nix-darwin/modules/nmasur/presets/programs/fish.nix
+++ b/platforms/nix-darwin/modules/nmasur/presets/programs/fish.nix
@@ -23,5 +23,19 @@ in
 
     # Speeds up fish launch time on macOS
     programs.fish.useBabelfish = true;
+
+    programs.fish.shellInit = ''
+      set -g __nixos_path_original $PATH
+      function __nixos_path_fix -d "fix PATH value"
+        set -l result (string split ":" $__nixos_path_original)
+        for elt in $PATH
+          if not contains -- $elt $result
+            set -a result $elt
+          end
+        end
+        set -g PATH $result
+      end
+      __nixos_path_fix
+    '';
   };
 }