pass agent as input

default.nix

@@ -1,12 +1,8 @@
-{ pkgs ? import <nixpkgs> { } }:
+{ pkgs ? import <nixpkgs> { }
+, agent_src
+}:
 with pkgs;
 let
-  agent_src = fetchgit {
-    url = "https://gitea.rixxc.de/rixxc/x25519_agent.git";
-    rev = "201f270624487ded538b63cc5416456bd5b8ba18";
-    hash = "sha256-KPaKG+t3qSMy4Y7fd0PlBWZiZYcs7M1Clmn75emC9LU=";
-  };
-
   agent = callPackage "${agent_src}/default.nix" { };
 in
 rustPlatform.buildRustPackage {
@@ -17,5 +13,5 @@ rustPlatform.buildRustPackage {
   
   buildInputs = [ agent ];
 
-  cargoSha256 = "sha256-ZgwQr1goz9yPws0P1eQwhHEv2WbcJeTCLEPYOUADOtE=";
+  cargoHash = "sha256-ZgwQr1goz9yPws0P1eQwhHEv2WbcJeTCLEPYOUADOtE=";
 }