Index: head/net-mgmt/alertmanager/Makefile
===================================================================
--- head/net-mgmt/alertmanager/Makefile	(revision 510905)
+++ head/net-mgmt/alertmanager/Makefile	(revision 510906)
@@ -1,30 +1,31 @@
 # Created by: Michal Hanula <michal@hanu.la>
 # $FreeBSD$
 
 PORTNAME=	alertmanager
 DISTVERSIONPREFIX=	v
-DISTVERSION=	0.16.2
+DISTVERSION=	0.18.0
 CATEGORIES=	net-mgmt
 
 MAINTAINER=	michal@hanu.la
 COMMENT=	Alert routing for prometheus
 
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
-USES=		go:modules
+USES=		gmake go:modules
 USE_GITHUB=	yes
 GH_ACCOUNT=	prometheus
 USE_RC_SUBR=	alertmanager
 
-GO_TARGET=	./cmd/alertmanager \
-		./cmd/amtool
+GO_TARGET=	./cmd/alertmanager ./cmd/amtool
 
 USERS=		alertmanager
 GROUPS=		alertmanager
 
 post-install:
 	@${MKDIR} ${STAGEDIR}${PREFIX}/etc/alertmanager
-	${INSTALL_DATA} ${WRKSRC}/doc/examples/simple.yml ${STAGEDIR}${PREFIX}/etc/alertmanager/alertmanager.yml.sample
+	${INSTALL_DATA} \
+		${WRKSRC}/doc/examples/simple.yml \
+		${STAGEDIR}${PREFIX}/etc/alertmanager/alertmanager.yml.sample
 
 .include <bsd.port.mk>
Index: head/net-mgmt/alertmanager/distinfo
===================================================================
--- head/net-mgmt/alertmanager/distinfo	(revision 510905)
+++ head/net-mgmt/alertmanager/distinfo	(revision 510906)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1554715019
-SHA256 (prometheus-alertmanager-v0.16.2_GH0.tar.gz) = 5934ff312c23637ce331f1a221a9671f9af5d748cabe11b84fb4c5ad6b600430
-SIZE (prometheus-alertmanager-v0.16.2_GH0.tar.gz) = 3616125
+TIMESTAMP = 1563397402
+SHA256 (prometheus-alertmanager-v0.18.0_GH0.tar.gz) = aa9536f001c4c46ceb5aa1767c81922777b3a2740529d25d86c9f27554cbd466
+SIZE (prometheus-alertmanager-v0.18.0_GH0.tar.gz) = 5181819
Index: head/net-mgmt/alertmanager/pkg-message
===================================================================
--- head/net-mgmt/alertmanager/pkg-message	(nonexistent)
+++ head/net-mgmt/alertmanager/pkg-message	(revision 510906)
@@ -0,0 +1,13 @@
+[
+{
+  message: <<EOF
+There were a number of changes to amtool in 0.17.0 which are not fully
+backwards compatible, related to the backup and import of silences.
+If a backup of silences is created using a previous version of amtool (v0.16.1
+or earlier), it is possible that not all silences can be correctly imported
+using a later version of amtool.
+EOF
+  maximum_version: "0.17.0"
+  type: upgrade
+}
+]

Property changes on: head/net-mgmt/alertmanager/pkg-message
___________________________________________________________________
Added: fbsd:nokeywords
## -0,0 +1 ##
+yes
\ No newline at end of property
Added: svn:eol-style
## -0,0 +1 ##
+native
\ No newline at end of property
Added: svn:mime-type
## -0,0 +1 ##
+text/plain
\ No newline at end of property