Index: head/shells/elvish/Makefile
===================================================================
--- head/shells/elvish/Makefile
+++ head/shells/elvish/Makefile
@@ -3,6 +3,7 @@
 PORTNAME=	elvish
 DISTVERSIONPREFIX=	v
 DISTVERSION=	0.12
+PORTREVISION=	1
 CATEGORIES=	shells
 
 MAINTAINER=	vendion@gmail.com
@@ -16,6 +17,9 @@
 GH_ACCOUNT=	elves
 
 GO_PKGNAME=	github.com/${GH_ACCOUNT}/${PORTNAME}
+GO_BUILDFLAGS=	-ldflags="-s -w -X github.com/elves/elvish/buildinfo.Version=${DISTVERSIONPREFIX}${DISTVERSION}" \
+		-gcflags="all=-trimpath=${GO_WRKSRC}" \
+		-asmflags="all=-trimpath=${GO_WRKSRC}"
 
 PLIST_FILES=	bin/elvish