Index: head/net-mgmt/prometheus2/Makefile
===================================================================
--- head/net-mgmt/prometheus2/Makefile	(revision 543850)
+++ head/net-mgmt/prometheus2/Makefile	(revision 543851)
@@ -1,99 +1,99 @@
 # $FreeBSD$
 
 PORTNAME=	prometheus
 DISTVERSIONPREFIX=	v
-DISTVERSION=	2.19.2
+DISTVERSION=	2.20.0
 CATEGORIES=	net-mgmt
 
 MAINTAINER=	dor.bsd@xm0.uk
 COMMENT=	Systems monitoring and alerting toolkit
 
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 USES=		go:modules gmake
 
 USE_GITHUB=	yes
 GH_TUPLE=	ports-assets:net-mgmt_prometheus2:${DISTVERSIONFULL}:assets
 
 USE_RC_SUBR=	prometheus
 
 OPTIONS_DEFINE=	DOCS
 
 PROMETHEUS_USER?=	prometheus
 PROMETHEUS_GROUP?=	prometheus
 
 USERS=		${PROMETHEUS_USER}
 GROUPS=		${PROMETHEUS_GROUP}
 
 PROMETHEUS_SHARE_DIR=			${DATADIR}
 PROMETHEUS_CONSOLES_DIR=		${PROMETHEUS_SHARE_DIR}/consoles
 PROMETHEUS_CONSOLE_LIBRARIES_DIR=	${PROMETHEUS_SHARE_DIR}/console_libraries
 PROMETHEUS_DB_DIR=			/var/db/${PORTNAME}
 PROMETHEUS_LOG_DIR=			/var/log/prometheus
 PROMETHEUS_LOG_FILE=			${PROMETHEUS_LOG_DIR}/prometheus.log
 
 SUB_FILES=	prometheus
 
 SUB_LIST+=	PROMETHEUS_USER=${PROMETHEUS_USER} \
 		PROMETHEUS_GROUP=${PROMETHEUS_GROUP} \
 		PROMETHEUS_CONSOLE_LIBRARIES_DIR=${PROMETHEUS_CONSOLE_LIBRARIES_DIR} \
 		PROMETHEUS_CONSOLES_DIR=${PROMETHEUS_CONSOLES_DIR} \
 		PROMETHEUS_DB_DIR=${PROMETHEUS_DB_DIR} \
 		PROMETHEUS_LOG_DIR=${PROMETHEUS_LOG_DIR} \
 		PROMETHEUS_LOG_FILE=${PROMETHEUS_LOG_FILE} \
 		PROMETHEUS_SHARE_DIR=${PROMETHEUS_SHARE_DIR}
 
 PLIST_SUB+=	PORTNAME=${PORTNAME} \
 		PROMETHEUS_CONSOLE_LIBRARIES_DIR=${PROMETHEUS_CONSOLE_LIBRARIES_DIR} \
 		PROMETHEUS_CONSOLES_DIR=${PROMETHEUS_CONSOLES_DIR} \
 		PROMETHEUS_DB_DIR=${PROMETHEUS_DB_DIR} \
 		PROMETHEUS_LOG_DIR=${PROMETHEUS_LOG_DIR}
 
 BUILD_USER?=	${USER}
 LD_FLAG_X_PREFIX=	-X github.com/prometheus/common/version
 LD_FLAG_STRING=		-s \
 		${LD_FLAG_X_PREFIX}.Version=${PORTVERSION} \
 		${LD_FLAG_X_PREFIX}.Revision=${PORTREVISION} \
 		${LD_FLAG_X_PREFIX}.Branch=release-${PORTVERSION:R} \
 		${LD_FLAG_X_PREFIX}.BuildUser=${BUILD_USER} \
 		${LD_FLAG_X_PREFIX}.BuildDate=${SOURCE_DATE_EPOCH:U${SOURCE_DATE_EPOCH_CMD:sh}}
 
 GO_BUILDFLAGS=	-v -ldflags "${LD_FLAG_STRING}" -tags netgo,builtinassets
 
 # A tsdb binary already exists in databases/opentsdb. Rename ours to
 # avoid issues.
 GO_TARGET=	./cmd/prometheus \
 		./cmd/promtool \
 		./tsdb/cmd/tsdb:promtsdb
 
 # Bring DISTINFO_FILE into scope so we can get the timestamp.
 .include <bsd.port.pre.mk>
 
 SOURCE_DATE_EPOCH_CMD=	date -ur $$(${GREP} TIMESTAMP ${DISTINFO_FILE} | ${SED} -e 's/[^0-9]//g') '+%Y%m%d-%T'
 
 post-patch:
 	@${LN} -s ${WRKSRC_assets}/web/ui/assets_vfsdata.go \
 		${WRKSRC}/web/ui/assets_vfadata.go
 
 post-install:
 	${INSTALL_DATA} \
 		${WRKSRC}/documentation/examples/prometheus.yml \
 		${STAGEDIR}${LOCALBASE}/etc/prometheus.yml.sample
 	@${MKDIR} ${STAGEDIR}${DESTDIR}${PROMETHEUS_DB_DIR}
 	@${MKDIR} ${STAGEDIR}${DESTDIR}${PROMETHEUS_CONSOLES_DIR}
 	@${MKDIR} ${STAGEDIR}${DESTDIR}${PROMETHEUS_CONSOLE_LIBRARIES_DIR}
 	@${MKDIR} ${STAGEDIR}${PROMETHEUS_LOG_DIR}
 	( cd ${WRKSRC}/console_libraries \
 		&& ${COPYTREE_SHARE} . ${STAGEDIR}${PROMETHEUS_CONSOLE_LIBRARIES_DIR} \
 	)
 	( cd ${WRKSRC}/consoles \
 		&& ${COPYTREE_SHARE} . ${STAGEDIR}${PROMETHEUS_CONSOLES_DIR} \
 	)
 
 post-install-DOCS-on:
 	${MKDIR} ${STAGEDIR}${DOCSDIR}
 	cd ${WRKSRC}/docs && \
 		${COPYTREE_SHARE} . ${STAGEDIR}${DOCSDIR}
 
 .include <bsd.port.post.mk>
Index: head/net-mgmt/prometheus2/distinfo
===================================================================
--- head/net-mgmt/prometheus2/distinfo	(revision 543850)
+++ head/net-mgmt/prometheus2/distinfo	(revision 543851)
@@ -1,5 +1,5 @@
-TIMESTAMP = 1594572798
-SHA256 (prometheus-prometheus-v2.19.2_GH0.tar.gz) = d4e84cae2fed6761bb8a80fcc69b6e0e9f274d19dffc0f38fb5845f11da1bbc3
-SIZE (prometheus-prometheus-v2.19.2_GH0.tar.gz) = 13338606
-SHA256 (ports-assets-net-mgmt_prometheus2-v2.19.2_GH0.tar.gz) = c95b017152c74d489b608a4689493ebd66b18ad3d1c5451310c2773c18a3bc10
-SIZE (ports-assets-net-mgmt_prometheus2-v2.19.2_GH0.tar.gz) = 5034529
+TIMESTAMP = 1596057017
+SHA256 (prometheus-prometheus-v2.20.0_GH0.tar.gz) = ca10ff2bb5db1c5a5c05032be155b5e91ee8e085ab001c41b2b8aec256d8a24a
+SIZE (prometheus-prometheus-v2.20.0_GH0.tar.gz) = 13766887
+SHA256 (ports-assets-net-mgmt_prometheus2-v2.20.0_GH0.tar.gz) = 0ae45cb2f53ebbb9c5958822129c00f91bdc280fd00db04f4efced3968727d05
+SIZE (ports-assets-net-mgmt_prometheus2-v2.20.0_GH0.tar.gz) = 4992256
Index: head/net-mgmt/prometheus2/pkg-message
===================================================================
--- head/net-mgmt/prometheus2/pkg-message	(revision 543850)
+++ head/net-mgmt/prometheus2/pkg-message	(revision 543851)
@@ -1,56 +1,69 @@
 [
 {
   message: <<EOF
+promtool: Changed rule numbering from 0-based to 1-based when reporting rule errors.
+Added `prometheus_remote_storage_read_queries_total` counter and
+`prometheus_remote_storage_read_request_duration_seconds` histogram, removed
+`prometheus_remote_storage_remote_read_queries_total` counter.
+Added buckets for longer durations to
+`prometheus_remote_storage_sent_batch_duration_seconds` histogram.
+WAL compression is enabled by default.
+EOF
+  maximum_version: "2.20"
+  type: upgrade
+}
+{
+  message: <<EOF
 The `prometheus_sd_kubernetes_cache_*` metrics were removed.
 The `prometheus_sd_kubernetes_workqueue_latency_seconds` and
 `prometheus_sd_kubernetes_workqueue_work_duration_seconds` now show correct
 values in seconds.
 The `query` label on `prometheus_remote_storage_*` metrics has been changed to
 `remote_name` and `url`.
 EOF
   maximum_version: "2.15"
   type: upgrade
 }
 {
   message: <<EOF
 The `prometheus_tsdb_wal_reader_corruption_errors` metric was renamed to
 `prometheus_tsdb_wal_reader_corruption_errors_total`.
 EOF
   maximum_version: "2.11"
   type: upgrade
 }
 {
   message: <<EOF
 The `prometheus_tsdb_storage_blocks_bytes_total` metric is now
 `prometheus_tsdb_storage_blocks_bytes`.
 EOF
   maximum_version: "2.8"
   type: upgrade
 }
 {
   message: <<EOF
 The `storage.tsdb.retention` flag has been deprecated in Prometheus 2.7.0.
 Users of this flag will want to update their configuration to use the newer
 `storage.tsdb.retention.time` flag.
 EOF
   maximum_version: "2.7"
   type: upgrade
 }
 {
   message: <<EOF
 Users of `marathon_sd` should now use `auth_token` and `auth_token_file` for
 token-based authentication instead of `bearer_token` and `bearer_token_file`
 respectively.
 Metric names for the HTTP server metrics were changed.
 EOF
   maximum_version: "2.3"
   type: upgrade
 }
 {
   message: <<EOF
 The `file_sd` mtime metric was renamed.
 EOF
   maximum_version: "2.2"
   type: upgrade
 }
 ]