anchor.diff:      repo = pname;
       rev = "v${version}";
       fetchSubmodules = true; # including gvc and libcall-ui which are designated as subprojects
  -    sha256 = "sha256-I0BWwEKvOYQ1s2IpvV70GWxhARdX6AZ+B4ypnTlLlDw=";
  +    sha256 = "sha256-q2AYm+zbL4/pRG1wn+MT6IYM8CZt15o48U9+piMPf74=";
     };
   
     nativeBuildInputs = [
  
positive.code: 
  stdenv.mkDerivation rec {
    pname = "phosh";
    version = "0.21.1";
  
    src = fetchFromGitLab {
      domain = "gitlab.gnome.org";
  
negative.code: , libgudev
  , callaudiod
  , pulseaudio
  , evince
  , glib
  , gtk3
  , gnome
  