Index: head/lang/chez-scheme/Makefile
===================================================================
--- head/lang/chez-scheme/Makefile	(revision 455039)
+++ head/lang/chez-scheme/Makefile	(revision 455040)
@@ -1,69 +1,69 @@
 # Created by: Ashish SHUKLA <ashish@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	chez-scheme
 PORTVERSION=	9.5
+DISTVERSIONPREFIX=	v
 CATEGORIES=	lang
 MASTER_SITES=	http://distfiles.pirateparty.in/ashish/:boot \
 		LOCAL/ashish:boot
 DISTFILES=	${PORTNAME}-boot-a6fb.tar.xz:boot \
 		${PORTNAME}-boot-i3fb.tar.xz:boot
 
 MAINTAINER=	ashish@FreeBSD.org
 COMMENT=	Chez Scheme system
 
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 ONLY_FOR_ARCHS=	amd64 i386
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	cisco
 GH_PROJECT=	ChezScheme
-GH_TAGNAME=	v${PORTVERSION}
 GH_TUPLE=	nanopass:nanopass-framework-scheme:v1.9:nanopass/nanopass \
 		madler:zlib:v1.2.11:zlib/zlib \
 		dybvig:stex:v1.2.1:stex/stex
 
 WRKSRC=		${WRKDIR}/ChezScheme-${PORTVERSION}
 
 USES=		gmake iconv:lib ncurses
 USE_XORG=	x11
 HAS_CONFIGURE=	yes
 ALL_TARGET=	build
 CONFLICTS_INSTALL=	petite-chez-[0-9]*
 STRIP_FILES=	bin/petite bin/${PORTNAME} bin/${PORTNAME}-script
 CHEZ_LIBDIR=lib/csv${PORTVERSION}
 CONFIGURE_ARGS=	--installprefix=${PREFIX} \
 		--temproot=${STAGEDIR} \
 		--installschemename=${PORTNAME} \
 		--installscriptname=${PORTNAME}-script
 PLIST_SUB=	PORTNAME=${PORTNAME} \
 		CHEZ_ARCH=${CHEZ_ARCH} \
 		CHEZ_LIBDIR=${CHEZ_LIBDIR}
 
 .include <bsd.port.pre.mk>
 
 .if (${ARCH} == "amd64")
 CONFIGURE_ARGS+=	--threads --64 -m=a6fb
 CHEZ_ARCH=	a6fb
 .elif (${ARCH} == "i386")
 CONFIGURE_ARGS+=	--threads --32 -m=i3fb
 CHEZ_ARCH=	i3fb
 .endif
 
 post-patch:
 	${LN} -sf ${WRKDIR}/${CHEZ_ARCH} ${WRKSRC}/boot/
 	${REINPLACE_CMD} -e 's,/usr/X11R6,${LOCALBASE},g' \
 		-e 's,/usr/local,${LOCALBASE},g' \
 		-e 's,-liconv,${ICONV_LIB},g' ${WRKSRC}/c/Mf-${CHEZ_ARCH}
 
 post-install:
 .for f in ${STRIP_FILES}
 	@${CHMOD} +w ${STAGEDIR}${PREFIX}/${f}
 	@${STRIP_CMD} ${STAGEDIR}${PREFIX}/${f}
 	@${CHMOD} -w ${STAGEDIR}${PREFIX}/${f}
 .endfor
 	@${LN} -sf scheme.boot ${STAGEDIR}${PREFIX}/${CHEZ_LIBDIR}/${CHEZ_ARCH}/${PORTNAME}-script.boot
 
 .include <bsd.port.post.mk>
Index: head/lang/chez-scheme/distinfo
===================================================================
--- head/lang/chez-scheme/distinfo	(revision 455039)
+++ head/lang/chez-scheme/distinfo	(revision 455040)
@@ -1,13 +1,13 @@
 TIMESTAMP = 1511729125
 SHA256 (chez-scheme-boot-a6fb.tar.xz) = ee94286508cf6e9d76b9ec9faf9aa73a452b59b4a86a2ed957ea89e271feb659
 SIZE (chez-scheme-boot-a6fb.tar.xz) = 2217812
 SHA256 (chez-scheme-boot-i3fb.tar.xz) = 1733fe28401f7a68c802b31e246696eaeccb3f9e8e32f57751a591383c91effa
 SIZE (chez-scheme-boot-i3fb.tar.xz) = 2115580
-SHA256 (cisco-ChezScheme-9.5-v9.5_GH0.tar.gz) = a1d9f93bd8a683ea3d8f2f1b4880f85ea40bf9a482ee6b84cb0fe0ab6148a98c
-SIZE (cisco-ChezScheme-9.5-v9.5_GH0.tar.gz) = 29245837
+SHA256 (cisco-ChezScheme-v9.5_GH0.tar.gz) = a1d9f93bd8a683ea3d8f2f1b4880f85ea40bf9a482ee6b84cb0fe0ab6148a98c
+SIZE (cisco-ChezScheme-v9.5_GH0.tar.gz) = 29245837
 SHA256 (nanopass-nanopass-framework-scheme-v1.9_GH0.tar.gz) = 625b239f9030d0b1e86b1fffd8b69f7249a63e8b8ca85195a00cf22889f7fc86
 SIZE (nanopass-nanopass-framework-scheme-v1.9_GH0.tar.gz) = 3816290
 SHA256 (madler-zlib-v1.2.11_GH0.tar.gz) = 629380c90a77b964d896ed37163f5c3a34f6e6d897311f1df2a7016355c45eff
 SIZE (madler-zlib-v1.2.11_GH0.tar.gz) = 644492
 SHA256 (dybvig-stex-v1.2.1_GH0.tar.gz) = bf784ca46aaca9b665b7eb0c39f04f6a695aa40e99b11d8a6d4440648c1bf40e
 SIZE (dybvig-stex-v1.2.1_GH0.tar.gz) = 211011