anchor.diff:  
     doCheck = false;
   
  +  nativeBuildInputs = [ installShellFiles ];
  +
     subPackages = [ "cmd/task" ];
   
     ldflags = [
  
positive.code: { lib, buildGoModule, fetchFromGitHub }:
  
  buildGoModule rec {
    pname = "go-task";
  
negative.code: 
    postInstall = ''
      ln -s $out/bin/task $out/bin/go-task
  
      installShellCompletion completion/{bash,fish,zsh}/*
    '';
  
    meta = with lib; {
  