docker-machine-xhyve: init darwin support

pkgs/applications/networking/cluster/docker-machine/xhyve-deps.nix

···
+# This file was generated by https://github.com/kamilchm/go2nix v1.2.1
+[
+  {
+    goPackagePath = "github.com/docker/machine";
+    fetch = {
+      type = "git";
+      url = "https://github.com/docker/machine";
+      rev = "5b274558ea6ca822c06dd407a4e774a0105c3f60";
+      sha256 = "1wdq9h4bx7awgclh969gvmcnl9jvgv7ldfklnclh5iv47mi7q22d";
+    };
+  }
+  {
+    goPackagePath = "github.com/zchee/libhyperkit";
+    fetch = {
+      type = "git";
+      url = "https://github.com/zchee/libhyperkit";
+      rev = "1a19a7693fac32b46ec6cdd22da6fbec974447fc";
+      sha256 = "119f5gcl24znwnmi837jk667asd3lirx32jldpd4mbyb3sm9nz24";
+    };
+  }
+]

pkgs/applications/networking/cluster/docker-machine/xhyve.nix

···
+{ stdenv, buildGoPackage, fetchFromGitHub, pkgconfig, Hypervisor, vmnet }:
+
+buildGoPackage rec {
+  name = "docker-machine-xhyve-${version}";
+  version = "0.3.3";
+
+  goPackagePath = "github.com/zchee/docker-machine-driver-xhyve";
+  goDeps = ./xhyve-deps.nix;
+
+  src = fetchFromGitHub {
+    rev    = "v${version}";
+    owner  = "zchee";
+    repo   = "docker-machine-driver-xhyve";
+    sha256 = "0rj6pyqp4yv4j28bglqjs95rip5i77vv8mrkmqv1rxrsl3i8aqqy";
+  };
+
+  nativeBuildInputs = [ pkgconfig ];
+  buildInputs = [ Hypervisor vmnet ];
+
+  meta = with stdenv.lib; {
+    homepage = https://github.com/zchee/docker-machine-driver-xhyve;
+    description = "Xhyve driver for docker-machine.";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ periklis ];
+    platforms = platforms.darwin;
+  };
+}

pkgs/top-level/all-packages.nix

···
 
   docker-machine = callPackage ../applications/networking/cluster/docker-machine { };
   docker-machine-kvm = callPackage ../applications/networking/cluster/docker-machine/kvm.nix { };
+  docker-machine-xhyve = callPackage ../applications/networking/cluster/docker-machine/xhyve.nix {
+    inherit (darwin.apple_sdk.frameworks) Hypervisor vmnet;
+  };
 
   docker-distribution = callPackage ../applications/virtualization/docker-distribution { };