anchor.diff: -{ stdenv, fetchurl, gettext, meson, ninja, pkgconfig, gobject-introspection, python3
  -, gtk-doc, docbook_xsl, docbook_xml_dtd_412, docbook_xml_dtd_43, glibcLocales
  -, libxml2, upower, glib, wrapGAppsHook, vala, sqlite, libxslt, libstemmer
  -, gnome3, icu, libuuid, networkmanager, libsoup, json-glib, systemd, dbus
  -, substituteAll }:
  +{ stdenv
  +, fetchurl
  +, gettext
  +, meson
  +, ninja
  +, pkgconfig
  +, gobject-introspection
  +, python3
  +, gtk-doc
  +, docbook_xsl
  +, docbook_xml_dtd_412
  +, docbook_xml_dtd_43
  +, glibcLocales
  +, libxml2
  +, upower
  +, glib
  +, wrapGAppsHook
  +, vala
  +, sqlite
  +, libxslt
  +, libstemmer
  +, gnome3
  +, icu
  +, libuuid
  +, networkmanager
  +, libsoup
  +, json-glib
  +, systemd
  +, dbus
  +, substituteAll
  +}:
   
   stdenv.mkDerivation rec {
     pname = "tracker";
  
positive.code:     sha256 = "V3lSJEq5d8eLC4ji9jxBl+q6FuTWa/9pK39YmT4GUW0=";
    };
  
    nativeBuildInputs = [
      meson ninja vala pkgconfig gettext libxslt wrapGAppsHook gobject-introspection
      gtk-doc docbook_xsl docbook_xml_dtd_412 docbook_xml_dtd_43 glibcLocales
      python3 # for data-generators
      systemd # used for checks to install systemd user service
      dbus # used for checks and pkgconfig to install dbus service/s
    ];
  
    buildInputs = [
      glib libxml2 sqlite upower icu networkmanager libsoup libuuid json-glib libstemmer
    ];
  
    mesonFlags = [
      # TODO: figure out wrapping unit tests, some of them fail on missing gsettings-desktop-schemas
      "-Dfunctional_tests=false"
      "-Ddocs=true"
    ];
  
    patches = [
      (substituteAll {
        src = ./fix-paths.patch;
        gdbus = "${glib.bin}/bin/gdbus";
      })
    ];
  
    postPatch = ''
  
negative.code:     homepage = "https://wiki.gnome.org/Projects/Tracker";
      description = "Desktop-neutral user information store, search tool and indexer";
      maintainers = teams.gnome.members;
      license = licenses.gpl2Plus;
      platforms = platforms.linux;
    };
  }
  