diff --git a/random.nix b/random.nix
new file mode 100644
index 0000000..69f5a62
--- /dev/null
+++ b/random.nix
@@ -0,0 +1,29 @@
+# https://www.mpscholten.de/nixos/2016/07/07/private-github-repositories-and-nixos.html
+# https://nixos.org/wiki/FAQ#How_do_I_know_the_sha256_to_use_with_fetchgit.3F
+
+with import <nixpkgs> {};
+
+stdenv.mkDerivation rec {
+  version = "master";
+  name = "random-${version}";
+  #builder = ./builder.sh;
+
+  src = fetchurl {
+    url = "https://gogs.prunetwork.fr/jpierre03/random/archive/${version}.tar.gz";
+    sha256 = "07n3j4iia93nxh3fkaslynqxyyl41v8whaz756zx6xw3hhqn5rja";
+  };
+
+  buildInputs = [ gcc ];
+  #buildPhase = "jekyll build";
+  #installPhase = "cp -R _site \$out";
+  installPhase = "make install OUT=\$out";
+  #installPhase = "mkdir \$out && cp random \$out";
+  #installPhase = "install -D $out random";
+
+  meta = with stdenv.lib; {
+    description = "Program thas exit with 0 or 1 randomly";
+    license = licenses.cc-by-nc-sa-40;
+    maintainers = [ "Jean-Pierre PRUNARET <jean-pierre+git@prunetwork.fr>" ];
+    platforms = platforms.linux;
+  };
+}