anchor.diff:      "-Dnetwork_tests=false"
     ];
   
  -  # Some tests fail due to being unable to find the Vte typelib, and I don't
  -  # understand why. Somebody should look into fixing this.
     doCheck = true;
   
     postPatch = ''
  
positive.code: , appstream-glib
  , desktop-file-utils
  , fetchurl
  , fetchpatch
  , flatpak
  , gnome
  , libgit2-glib
  
negative.code: 
  stdenv.mkDerivation rec {
    pname = "gnome-builder";
    version = "42.1";
  
    outputs = [ "out" "devdoc" ];
  
    src = fetchurl {
      url = "mirror://gnome/sources/${pname}/${lib.versions.major version}/${pname}-${version}.tar.xz";
      sha256 = "XU1RtwKGW0gBcgHwxgfiSifXIDGo9ciNT86HW1VFZwo=";
    };
  
    nativeBuildInputs = [
      appstream-glib
  