openmoji-black,openmoji-color: 12.1.0 -> 12.4.0

pkgs/data/fonts/openmoji/default.nix

@@ -1,6 +1,7 @@
 { stdenv
 , fetchFromGitHub
 , scfbuild
+, python3Packages
 , variant ? "color" # "color" or "black"
 }:
 
@@ -9,20 +10,33 @@ let
     [ "color"              "black"              ]
     [ "OpenMoji-Color.ttf" "OpenMoji-Black.ttf" ]
     variant;
+  scfbuildOptions = stdenv.lib.optionalString (variant == "black") "--glyph-only";
+
+  # We have to use their scfbuild fork:
+  # https://github.com/hfg-gmuend/openmoji/tree/master/font#setup
+  scfbuildPatched = scfbuild.overrideAttrs (old: {
+    src = fetchFromGitHub {
+      owner = "b-g";
+      repo = "scfbuild";
+      rev = "880f690332fc9cc4dee0790921d331f13bd5acaa";
+      sha256 = "0d61gn69hgxn17jvs69xpblq9z1l85aymbrn6jjwqamhpcl42c04";
+    };
+    propagatedBuildInputs = old.propagatedBuildInputs ++ [ python3Packages.lxml ];
+  });
 
 in stdenv.mkDerivation rec {
   pname = "openmoji";
-  version = "12.1.0";
+  version = "12.4.0";
 
   src = fetchFromGitHub {
     owner = "hfg-gmuend";
     repo = pname;
     rev = version;
-    sha256 = "11221xw13lsv2znxs295m61cn69wkp5934b0aaddpki2vp6q3n0r";
+    sha256 = "0zis0i7fn7dqv39c9ms7f1p4dqqzwdfwkdgrijaak1cmb8rkn3a0";
   };
 
   nativeBuildInputs = [
-    scfbuild
+    scfbuildPatched
   ];
 
   # Some id and data-* attributes in the svg files contain unicode characters,
@@ -60,7 +74,7 @@ in stdenv.mkDerivation rec {
 
     # Actually build the font:
     cd font
-    scfbuild -c scfbuild-${variant}.yml
+    scfbuild ${scfbuildOptions} -c scfbuild-${variant}.yml
   '';
 
   installPhase = ''