Add ptsort, a prioritized topological sort.

svn path=/head/; revision=449259

misc/Makefile

@@ -369,6 +369,7 @@
     SUBDIR += posixtestsuite
     SUBDIR += proxyper
     SUBDIR += pspresent
+    SUBDIR += ptsort
     SUBDIR += py-YABT
     SUBDIR += py-cinder
     SUBDIR += py-crudini

misc/ptsort/Makefile

@@ -0,0 +1,18 @@
+# $FreeBSD$
+
+PORTNAME=	ptsort
+PORTVERSION=	1.20170904
+CATEGORIES=	misc
+MASTER_SITES=	https://github.com/dag-erling/${PORTNAME}/releases/download/${PORTVERSION}/
+
+MAINTAINER=	des@FreeBSD.org
+COMMENT=	Prioritized topological sort
+
+LICENSE=	BSD3CLAUSE
+
+GNU_CONFIGURE=	yes
+INSTALL_TARGET=	install-strip
+
+PLIST_FILES=	bin/${PORTNAME} man/man1/${PORTNAME}.1.gz
+
+.include <bsd.port.mk>

misc/ptsort/distinfo

@@ -0,0 +1,3 @@
+TIMESTAMP = 1504553271
+SHA256 (ptsort-1.20170904.tar.gz) = f759f2ca8f67e18c178361fda70671fbed7ad06a10ee96c96c9598859e456a75
+SIZE (ptsort-1.20170904.tar.gz) = 117293

misc/ptsort/pkg-descr

@@ -0,0 +1,5 @@
+The ptsort utility is a variant of the standard tsort (topological
+sort) utility which allows nodes to be prioritized, moving them and
+all their predecessors up in the final order.
+
+WWW: https://github.com/dag-erling/ptsort