anchor.diff:        * Provides a way to use alternate files on a specific OS or host.
         * Supplies a method of encrypting confidential data so it can safely be stored in your repository.
       '';
  -    license = lib.licenses.gpl3;
  +    license = lib.licenses.gpl3Plus;
       maintainers = with lib.maintainers; [ abathur ];
       platforms = lib.platforms.unix;
     };
  
positive.code:   installPhase = ''
      runHook preInstall
      install -Dt $out/bin yadm
      install -Dt $out/share/man/man1 yadm.1
      install -D completion/yadm.zsh_completion $out/share/zsh/site-functions/_yadm
      install -D completion/yadm.bash_completion $out/share/bash-completion/completions/yadm.bash
      runHook postInstall
    '';
  
    meta = {
  
negative.code: { lib, stdenv, fetchFromGitHub, git, gnupg, installShellFiles }:
  
  stdenv.mkDerivation rec {
    pname = "yadm";
    version = "3.1.0";
  
    buildInputs = [ git gnupg ];
  
    nativeBuildInputs = [ installShellFiles ];
  
    src = fetchFromGitHub {
      owner  = "TheLocehiliosan";
      repo   = "yadm";
      rev    = version;
      sha256 = "0ga0p28nvqilswa07bzi93adk7wx6d5pgxlacr9wl9v1h6cds92s";
    };
  
    dontConfigure = true;
  