feat: print diff before deploying

packages/scripts/unicodmenu.nix

@@ -2,7 +2,7 @@
 let
   emoji-file = fetchurl {
     url = "https://raw.githubusercontent.com/kmein/unipicker/master/symbols";
-    sha256 = "1ygv239binnl841k4jivv9jirzd9b8azxz6zxzg5lzvvgw6yng64";
+    sha256 = "1q6ampv4fhdvd0riz4ihx43gkbyvdab4c38q96ybn0ka9d30vi3g";
   };
   kaomoji-file = writeText "kaomoji.txt" ''
     ¯\(°_o)/¯ dunno lol shrug dlol

shell.nix

@@ -72,6 +72,7 @@ in pkgs.mkShell {
 
     (let
       deployCommand = pkgs.writers.writeDash "niveum-deploy-one" ''
+        ${pkgs.git}/bin/git diff $(${pkgs.openssh}/bin/ssh "$1" cat /etc/niveum/version)
         eval "$(${pkgs.nix}/bin/nix-build --no-out-link "${toString ./.}/deploy.nix" -A "$1")"
       '';
     in pkgs.writers.writeDashBin "niveum-deploy" ''