anchor.diff:  with stdenv.lib;
   
   stdenv.mkDerivation rec {
  -  version = "0.28.3";
  +  version = "0.28.4"; # not really, git
     name = "notmuch-${version}";
   
     passthru = {
  
positive.code:       --replace '-install_name $(libdir)' "-install_name $out/lib"
    '';
  
    configureFlags = [ "--zshcompletiondir=$(out)/share/zsh/site-functions" ];
  
    # Notmuch doesn't use autoconf and consequently doesn't tag --bindir and
    # friends
    setOutputFlags = false;
    enableParallelBuilding = true;
    makeFlags = "V=1";
  
    preCheck = let
      test-database = fetchurl {
  
negative.code:     gdb man
    ];
  
    installTargets = [ "install" "install-man" ];
  
    dontGzipMan = true; # already compressed
  
  