final: prev: {
  afew = prev.afew.overrideAttrs (oldAttrs: {
    src = prev.fetchgit {
      url = "https://github.com/gkleen/afew.git";
      rev = "7b96c73000152188bf8ec9168721f26f5bd01aa6";
      sha256 = "09pmfyxq2j0rqvdisahpxpskvxckksx6gq9axdc83ppkws25iprm";
      leaveDotGit = true;
    };

    nativeBuildInputs = oldAttrs.nativeBuildInputs or [] ++ [ final.git ];
  });
}