anchor.diff:      grep -q '/usr/sbin/nologin' common/user-list.c
       sed -i common/user-list.c \
         -e 's,/usr/sbin/nologin,/usr/sbin/nologin /run/current-system/sw/bin/nologin,'
  +
       grep -q '/usr/local/bin' src/session-child.c
       sed -i src/session-child.c \
         -e 's,/usr/local/bin:/usr/bin:/bin,/run/current-system/sw/bin,'
  +
       grep -q '/bin/rm' src/shared-data-manager.c
       sed -i src/shared-data-manager.c \
         -e 's,/bin/rm,/run/current-system/sw/bin/rm,'
     '';
   
     nativeBuildInputs = [
  +    gettext
       intltool
       itstool
       libxml2
  +    perl
  +    vala
     ];
   
     buildInputs = [
       audit_lib
       glib
  +    gobject-introspection
       libgcrypt
       libx11
       libxcb
  
positive.code:   configureFlags = [
      "--localstatedir=/var"
      "--sysconfdir=/etc"
      "--disable-tests"
    ];
  
  
negative.code: { stdenv
  , fetchTritonPatch
  , fetchurl
  , gettext
  , intltool
  , itstool
  , lib
  , libxml2
  , perl
  , vala
  
  , audit_lib
  , glib
  , gobject-introspection
  , libgcrypt
  , libx11
  , libxcb
  