anchor.diff: -{ buildGoModule, lib, fetchFromGitHub, installShellFiles }:
  +{ buildGoModule
  +, fetchFromGitHub
  +, installShellFiles
  +, lib
  +, makeWrapper
  +, xdg-utils
  +}:
   buildGoModule rec {
     pname = "aws-vault";
     version = "6.3.1";
  
positive.code:     -X main.Version=v${version}
    '';
  
    meta = with lib; {
      description =
        "A vault for securely storing and accessing AWS credentials in development environments";
  
negative.code: 
    vendorSha256 = "sha256-Lb5iiuT/Fd3RMt98AafIi9I0FHJaSpJ8pH7r4yZiiiw=";
  
    nativeBuildInputs = [ installShellFiles makeWrapper ];
  
    postInstall = ''
      wrapProgram $out/bin/aws-vault --prefix PATH : ${lib.makeBinPath [ xdg-utils ]}
      installShellCompletion --cmd aws-vault \
        --bash $src/contrib/completions/bash/aws-vault.bash \
        --fish $src/contrib/completions/fish/aws-vault.fish \
  