--- src/Makefile.inc1.orig	2021-04-13 01:34:25.652193000 +0000
+++ src/Makefile.inc1	2021-04-13 01:45:25.704010000 +0000
@@ -328,6 +328,11 @@ BUILDENV_SHELL?=${SHELL}
 BUILDENV_SHELL?=/bin/sh
 .endif
 
+.if !defined(GITUP) || empty(GITUP)
+GITUP=	gitup
+.endif
+GITUP_FLAGS=	-v2
+
 .if !defined(SVN) || empty(SVN)
 . for _P in /usr/bin /usr/local/bin
 .  for _S in svn svnlite
@@ -1646,7 +1651,17 @@ doxygen: .PHONY
 # latest copy.
 #
 update: .PHONY
-.if defined(SVN_UPDATE)
+.if exists(${.CURDIR}/.git)
+	@echo "--------------------------------------------------------------"
+	@echo ">>> Updating ${.CURDIR} from git repository"
+	@echo "--------------------------------------------------------------"
+	@(cd ${.CURDIR}; ${GIT} pull)
+.elif exists(${.CURDIR}/.gituprevision)
+	@echo "--------------------------------------------------------------"
+	@echo ">>> Updating ${.CURDIR} from gitup repository"
+	@echo "--------------------------------------------------------------"
+	@${GITUP} ${GITUP_FLAGS} release
+.elif defined(SVN_UPDATE)
 	@echo "--------------------------------------------------------------"
 	@echo ">>> Updating ${.CURDIR} using Subversion"
 	@echo "--------------------------------------------------------------"
--- ports/Makefile.orig	2021-04-09 10:50:35.098307000 +0000
+++ ports/Makefile	2021-04-13 01:46:44.510119000 +0000
@@ -172,6 +172,8 @@ SVN=   ${_P}/${_S}
 RSYNC?= rsync
 PORTSNAP?= portsnap
 PORTSNAP_FLAGS?= -p ${.CURDIR}
+GITUP?= gitup
+GITUP_FLAGS?= -v2
 .if !target(update)
 update:
 .if exists(${.CURDIR}/.svn)
@@ -191,6 +193,11 @@ update:
 	@echo "--------------------------------------------------------------"
 	cd ${.CURDIR}; ${GIT} pull
 .  endif
+.elif exists(${.CURDIR}/.gituprevision)
+	@echo "--------------------------------------------------------------"
+	@echo ">>> Updating ${.CURDIR} from gitup repository"
+	@echo "--------------------------------------------------------------"
+	@${GITUP} ${GITUP_FLAGS} ports
 .elif defined(RSYNC_UPDATE) && defined(PORTS_RSYNC_SOURCE)
 	@echo "--------------------------------------------------------------"
 	@echo ">>> Updating with ${RSYNC} from ${PORTS_RSYNC_SOURCE}"