anchor.diff:    pname = "tracker-miners";
   in stdenv.mkDerivation rec {
     name = "${pname}-${version}";
  -  version = "2.1.3";
  +  version = "2.1.5";
   
     src = fetchurl {
       url = "mirror://gnome/sources/${pname}/${stdenv.lib.versions.majorMinor version}/${name}.tar.xz";
  -    sha256 = "10j6iifq0ccnqckdx7fqlrfifbvs08jbczgxajldz26057kwp8fz";
  +    sha256 = "1kdq7fk9c80ngg65p31pjdk4za0fq7nfhblqsma9alvkam5kvzgm";
     };
   
     nativeBuildInputs = [
  
positive.code:   mesonFlags = [
      # TODO: tests do not like our sandbox
      "-Dfunctional_tests=false"
    ];
  
    patches = [
  
negative.code:       sha256 = "187flswvzymjfxwfrrhizb1cvs780zm39aa3i2vwa5fbllr7kcpf";
      })
    ];
  
    postInstall = ''
      glib-compile-schemas "$out/share/glib-2.0/schemas"
  