anchor.diff:    mesonFlags = [
       # TODO: tests do not like our sandbox
       "-Dfunctional_tests=false"
  +    "-Ddbus_services=${placeholder "out"}/share/dbus-1/services"
     ];
   
     patches = [
  
positive.code:       sha256 = "187flswvzymjfxwfrrhizb1cvs780zm39aa3i2vwa5fbllr7kcpf";
      })
    ];
  
    # Symlinks require absolute path and we still cannot use placeholders
    # https://github.com/NixOS/nixpkgs/pull/39534#discussion_r184339131
    # https://github.com/NixOS/nixpkgs/pull/37693
    preConfigure = ''
      mesonFlagsArray+=("-Ddbus_services=$out/share/dbus-1/services")
    '';
  
    postInstall = ''
      glib-compile-schemas "$out/share/glib-2.0/schemas"
  
negative.code:   pname = "tracker-miners";
  in stdenv.mkDerivation rec {
    name = "${pname}-${version}";
    version = "2.1.5";
  
    src = fetchurl {
      url = "mirror://gnome/sources/${pname}/${stdenv.lib.versions.majorMinor version}/${name}.tar.xz";
      sha256 = "1kdq7fk9c80ngg65p31pjdk4za0fq7nfhblqsma9alvkam5kvzgm";
    };
  
    nativeBuildInputs = [
  