Index: devel/Makefile
===================================================================
--- devel/Makefile
+++ devel/Makefile
@@ -779,6 +779,7 @@
     SUBDIR += git-modes
     SUBDIR += git-remote-hg
     SUBDIR += git-review
+    SUBDIR += git-subrepo
     SUBDIR += git-subversion
     SUBDIR += git-town
     SUBDIR += gitaly
Index: devel/git-subrepo/Makefile
===================================================================
--- /dev/null
+++ devel/git-subrepo/Makefile
@@ -0,0 +1,28 @@
+# $FreeBSD$
+
+PORTNAME=	git-subrepo
+DISTVERSION=	0.4.0
+CATEGORIES=	devel
+
+MAINTAINER=	jhb@FreeBSD.org
+COMMENT=	Git command for managing subrepositories
+
+LICENSE=	MIT
+LICENSE_FILE=	${WRKSRC}/License
+
+RUN_DEPENDS=	bash:shells/bash \
+		git:devel/git
+
+USES=		gmake
+
+USE_GITHUB=	yes
+GH_ACCOUNT=	ingydotnet
+
+NO_ARCH=	yes
+NO_BUILD=	yes
+
+GIT_CORE=	${PREFIX}/libexec/git-core
+
+MAKE_ARGS+=	INSTALL_MAN1="\$${DESTDIR}\$${MANPREFIX}/man/man1"
+
+.include <bsd.port.mk>
Index: devel/git-subrepo/distinfo
===================================================================
--- /dev/null
+++ devel/git-subrepo/distinfo
@@ -0,0 +1,3 @@
+TIMESTAMP = 1557267733
+SHA256 (ingydotnet-git-subrepo-0.4.0_GH0.tar.gz) = e60243efeebd9ae195559400220366e7e04718123481b9da38344e75bab71d21
+SIZE (ingydotnet-git-subrepo-0.4.0_GH0.tar.gz) = 118241
Index: devel/git-subrepo/pkg-descr
===================================================================
--- /dev/null
+++ devel/git-subrepo/pkg-descr
@@ -0,0 +1,5 @@
+This git command "clones" an external git repo into a subdirectory of
+your repo.  Later on, upstream changes can be pulled in, and local
+changes can be pushed back.
+
+WWW: https://github.com/ingydotnet/git-subrepo
Index: devel/git-subrepo/pkg-plist
===================================================================
--- /dev/null
+++ devel/git-subrepo/pkg-plist
@@ -0,0 +1,4 @@
+libexec/git-core/git-subrepo
+libexec/git-core/git-subrepo.d/bash+.bash
+libexec/git-core/git-subrepo.d/help-functions.bash
+man/man1/git-subrepo.1.gz