anchor.diff:  let
     sources = {
       "3.26" = {
  -      version = "3.26.0";
  -      sha256 = "f153a53391e9b42fed5cb6ce62322a58e323fde6ec4a54d8ba4d376cf4c1fbcb";
  +      version = "3.26.3";
  +      sha256 = "0efd01b8a0a9770d52fe7354d298874ed845449b88f3f78f49290729fc2d448d";
       };
     };
   
  
positive.code:   ];
  
    buildInputs = [
      file
      glib
      gmime
      gobject-introspection
      libarchive
      libgcrypt
      libsoup
      libxml2
    ];
  
    mesonFlags = [
      "-Ddisable-gmime-i-know-what-im-doing=false"
      "-Denable-quvi=no"
      "-Denable-libarchive=yes"
      "-Denable-libgcrypt=yes"
      "-Denable-gtk-doc=false"
    ];
  
    passthru = {
  
negative.code: { stdenv
  , fetchurl
  , gettext
  , lib
  , meson
  , ninja
  
  , glib
  , gobject-introspection
  , libarchive
  , libgcrypt
  , libxml2
  
  , channel
  