Enable bash and let it exec fish, since changing login shell might break things

work.nix

@@ -31,6 +31,13 @@ in
     unzip
   ];
 
+  programs.bash = {
+    enable = true;
+    initExtra = ''
+      exec fish
+    '';
+  };
+
   # This value determines the Home Manager release that your
   # configuration is compatible with. This helps avoid breakage
   # when a new Home Manager release introduces backwards