shells/elvish: Set version information, omit debug info

PR:		241446
Approved by:	Adam Jimerson <vendion@gmail.com> (maintainer), araujo (mentor)
Differential Revision:	https://reviews.freebsd.org/D22149

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 @@ USE_GITHUB=	yes
 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