release: Default to gpg2 to avoid SHA1 signatures

Author: rsmarples

Makefile

@@ -28,7 +28,7 @@ SNAPDIR=	${DISTPREFIX}-${SNAP}
 SNAPFILE=	${SNAPDIR}.tar.xz
 
 SHA256?=	sha256
-PGP?=		gpg
+PGP?=		gpg2
 
 dist-git:
 	git archive --prefix=${DISTPREFIX}/ v${VERSION} | xz >${DISTFILE}
@@ -47,7 +47,7 @@ distinfo: dist
 	${SHA256} ${DISTFILE} >${DISTINFO}
 	wc -c <${DISTFILE} \
 		| xargs printf 'Size   (${DISTFILE}) = %s\n' >>${DISTINFO}
-	${PGP} --armour --detach-sign ${DISTFILE}
+	${PGP} --sign --armour --detach ${DISTFILE}
 	chmod 644 ${DISTSIGN}
 	ls -l ${DISTFILE} ${DISTINFO} ${DISTSIGN}