Index: sysutils/nix/Makefile
===================================================================
--- /dev/null
+++ sysutils/nix/Makefile
@@ -0,0 +1,30 @@
+# $FreeBSD$
+
+PORTNAME=	nix
+DISTVERSION=    2.1.3
+CATEGORIES=	sysutils
+MASTER_SITES=	https://nixos.org/releases/nix/${PORTNAME}-${DISTVERSION}/
+
+MAINTAINER=     0mp@FreeBSD.org
+COMMENT=	Nix
+
+# XXX
+LICENSE=        LGPL21
+LICENSE_FILE=	${WRKSRC}/COPYING
+
+# Might need xmllint:textproc/libxml2 and xsltproc:textproc/libxslt
+LIB_DEPDENDS=	libcurl:ftp/curl \
+		liblzma:archives/lzmalib
+
+BUILD_DEPENDS=	bash:shells/bash
+
+# bzip2 seems to be required as well.
+USES=	bison:build compiler:c++14-lang gmake pkgconfig ssl sqlite:3 tar:xz
+
+GNU_CONFIGURE=	yes
+CONFIGURE_ARGS=	--disable-seccomp-sandboxing OPENSSL_LIBS=${OPENSSLLIB}
+
+# Optional:
+# Boehm garbage collector
+
+.include <bsd.port.mk>
Index: sysutils/nix/distinfo
===================================================================
--- /dev/null
+++ sysutils/nix/distinfo
@@ -0,0 +1,3 @@
+TIMESTAMP = 1540927566
+SHA256 (nix-2.1.3.tar.xz) = 5d22dad058d5c800d65a115f919da22938c50dd6ba98c5e3a183172d149840a4
+SIZE (nix-2.1.3.tar.xz) = 816396