Index: hub/Makefile
===================================================================
--- hub/Makefile
+++ hub/Makefile
@@ -13,7 +13,6 @@
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	ronn:textproc/rubygem-ronn
-RUN_DEPENDS=	git:devel/git
 
 USES=		go
 
@@ -25,12 +24,15 @@
 PLIST_FILES=	bin/hub	\
 		man/man1/hub.1.gz
 
-OPTIONS_DEFINE=		BASH FISH ZSH
+OPTIONS_DEFINE=		BASH FISH GIT_SUBVERSION ZSH
 
 BASH_PLIST_FILES=	etc/bash_completion.d/hub
 BASH_RUN_REPENDS=	bash:shells/bash
 FISH_PLIST_FILES=	share/fish/completions/hub.fish
 FISH_RUN_REPENDS=	fish:shells/fish
+GIT_SUBVERSION_DESC=	Use devel/git-subversion as backend
+GIT_SUBVERSION_RUN_DEPENDS=	git-subversion>0:devel/git-subversion
+GIT_SUBVERSION_RUN_DEPENDS_OFF=	git:devel/git
 ZSH_PLIST_FILES=	share/zsh/site-functions/_hub
 ZSH_RUN_REPENDS=	zsh:shells/zsh