anchor.diff:  , ninja
   , ostree
   , d-spy
  -, pcre
   , pcre2
   , pkg-config
   , python3
  
positive.code: 
  stdenv.mkDerivation rec {
    pname = "gnome-builder";
    version = "43.alpha0";
  
    outputs = [ "out" "devdoc" ];
  
    src = fetchurl {
      url = "mirror://gnome/sources/${pname}/${lib.versions.major version}/${pname}-${version}.tar.xz";
      sha256 = "SSjohWD2mn6riFR8CBeHzadbzi85XMWivgj4K8b5ujY=";
    };
  
    patches = [
  
negative.code:   buildInputs = [
      ctags
      cmark
      editorconfig-core-c
      flatpak
      libgit2-glib
      libpeas
  