cups-filters: 1.25.12 -> 1.28.10

enable tests
enable braille embosser support

pkgs/misc/cups/filters.nix

@@ -1,7 +1,7 @@
 { lib, stdenv, fetchurl, pkg-config, cups, poppler, poppler_utils, fontconfig
 , libjpeg, libpng, perl, ijs, qpdf, dbus, avahi
 , makeWrapper, coreutils, gnused, bc, gawk, gnugrep, which, ghostscript
-, mupdf
+, mupdf, dejavu_fonts, liblouis
 }:
 
 let
@@ -9,11 +9,11 @@ let
 
 in stdenv.mkDerivation rec {
   pname = "cups-filters";
-  version = "1.25.12";
+  version = "1.28.10";
 
   src = fetchurl {
     url = "https://openprinting.org/download/cups-filters/${pname}-${version}.tar.xz";
-    sha256 = "1kv25011iyzvd33n5zmmn1z2p6pzk26hmmw6qvjjnx8p3sp7raqn";
+    sha256 = "sha256-z4yQRpTETPaJtXJORtI9qa5RJdVDdLNAxkIHfMKcqDc=";
   };
 
   nativeBuildInputs = [ pkg-config makeWrapper ];
@@ -21,6 +21,7 @@ in stdenv.mkDerivation rec {
   buildInputs = [
     cups poppler poppler_utils fontconfig libjpeg libpng perl
     ijs qpdf dbus avahi ghostscript mupdf
+    liblouis # braille embosser support
   ];
 
   configureFlags = [
@@ -33,7 +34,7 @@ in stdenv.mkDerivation rec {
     "--enable-imagefilters"
     "--with-rcdir=no"
     "--with-shell=${stdenv.shell}"
-    "--with-test-font-path=/path-does-not-exist"
+    "--with-test-font-path=${dejavu_fonts}/share/fonts/truetype/DejaVuSans.ttf"
   ];
 
   makeFlags = [ "CUPS_SERVERBIN=$(out)/lib/cups" "CUPS_DATADIR=$(out)/share/cups" "CUPS_SERVERROOT=$(out)/etc/cups" ];
@@ -60,7 +61,7 @@ in stdenv.mkDerivation rec {
     '';
 
   enableParallelBuilding = true;
-  doCheck = false; # fails 4 out of 6 tests
+  doCheck = true;
 
   meta = {
     homepage = "http://www.linuxfoundation.org/collaborate/workgroups/openprinting/cups-filters";