2 files changed, 48 insertions, 0 deletions
diff --git a/default.nix b/default.nix
index 8396ffc..c601e0d 100644
--- a/default.nix
+++ b/default.nix
@@ -3,6 +3,7 @@ let
   pkgs = import niv-sources.nixpkgs { };
   src = pkgs.nix-gitignore.gitignoreSource [ "!.git" ] ./.;
   utils-i18n = pkgs.callPackage ./utils-i18n.nix { };
+  pkgs-next = pkgs.callPackage ./nix/nixpkgs-next.nix { };
 
   jekyllEnv = pkgs.bundlerEnv {
     name = "jekyll-env";
@@ -10,6 +11,7 @@ let
     lockfile = ./Gemfile.lock;
     gemset = ./gemset.nix;
   };
+
   projectBuildInputs = with pkgs; [
     jekyllEnv
 
@@ -23,6 +25,7 @@ let
     (hunspellWithDicts (with utils-i18n.dicts; [ en pt fr eo ]))
   ];
 in rec {
+  inherit (pkgs-next) mdpo pymd4c md4c;
   site = pkgs.stdenv.mkDerivation {
     inherit src;
     name = "website-site";
diff --git a/nix/nixpkgs-next.nix b/nix/nixpkgs-next.nix
new file mode 100644
index 0000000..738d19c
--- /dev/null
+++ b/nix/nixpkgs-next.nix
@@ -0,0 +1,45 @@
+{ pkgs }: rec {
+  md4c = pkgs.stdenv.mkDerivation rec {
+    pname = "md4c";
+    version = "release-0.4.6";
+    src = pkgs.fetchFromGitHub {
+      owner = "mity";
+      repo = "md4c";
+      rev = version;
+      sha256 = "0km84rmcrczq4n87ryf3ffkfbjh4jim361pbld0z8wgp60rz08dh";
+    };
+    nativeBuildInputs = with pkgs; [ cmake ];
+    outputs = [ "bin" "dev" "out" ];
+  };
+
+  pymd4c = with pkgs.python3.pkgs;
+    buildPythonPackage rec {
+      pname = "pymd4c";
+      version = "0.4.6.0b1";
+      src = fetchPypi {
+        inherit pname version;
+        sha256 = "07s3arn85ri92im6x3ipljdmrxmpik7irs06i6lm17j1x6j9841d";
+      };
+      nativeBuildInputs = with pkgs; [ # cmake
+        md4c.dev
+        cython
+        pkgconfig
+        setuptools_scm
+      ];
+      propagatedBuildInputs = with pkgs.python3Packages; [ flake8 ];
+
+      LDFLAGS = "-L${md4c.dev}/lib";
+      CFLAGS = "-I${md4c.dev}/include";
+    };
+
+  mdpo = with pkgs.python3.pkgs;
+    buildPythonPackage rec {
+      pname = "mdpo";
+      version = "0.2.36";
+      src = fetchPypi {
+        inherit pname version;
+        sha256 = "0gp8wi5c2x3yqslipvkm8m1wvnyji5g52v4195871dhb93kzyzv0";
+      };
+      propagatedBuildInputs = with pkgs.python3Packages; [ polib pymd4c ];
+    };
+}