Index: net-mgmt/prometheus1/Makefile
===================================================================
--- net-mgmt/prometheus1/Makefile	(revision 526379)
+++ net-mgmt/prometheus1/Makefile	(working copy)
@@ -4,7 +4,7 @@
 PORTNAME=	prometheus
 PORTVERSION=	1.8.2
 DISTVERSIONPREFIX=	v
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	net-mgmt
 PKGNAMESUFFIX=	1
 
@@ -16,6 +16,7 @@
 
 USES=		go
 USE_GITHUB=	yes
+GH_TUPLE=	golang:sys:fead79001313:golang_sys/vendor/golang.org/x/sys_fead79001313
 
 GO_PKGNAME=	github.com/${PORTNAME}/${PORTNAME}
 
@@ -35,6 +36,10 @@
 GO_TARGET=	./cmd/prometheus \
 		./cmd/promtool
 
+pre-build:
+	${RM} -r ${WRKSRC}/vendor/golang.org/x/sys
+	${MV} ${WRKSRC}/vendor/golang.org/x/sys_fead79001313 ${WRKSRC}/vendor/golang.org/x/sys
+
 post-install:
 	${INSTALL_DATA} ${WRKSRC}/documentation/examples/prometheus.yml ${STAGEDIR}${LOCALBASE}/etc/prometheus.yml.sample
 	${MKDIR} ${STAGEDIR}${DESTDIR}/var/db/prometheus
Index: net-mgmt/prometheus1/distinfo
===================================================================
--- net-mgmt/prometheus1/distinfo	(revision 526379)
+++ net-mgmt/prometheus1/distinfo	(working copy)
@@ -1,3 +1,5 @@
-TIMESTAMP = 1510001444
+TIMESTAMP = 1580722860
 SHA256 (prometheus-prometheus-v1.8.2_GH0.tar.gz) = 7c8a9c9756790d1c4eb436bb6ebda49e2f671a6319c06a1c63d5df9eff7da0e2
 SIZE (prometheus-prometheus-v1.8.2_GH0.tar.gz) = 5238057
+SHA256 (golang-sys-fead79001313_GH0.tar.gz) = c8e102db152c51438f426a92b338f924827b960e75bd9d871ae9438135366073
+SIZE (golang-sys-fead79001313_GH0.tar.gz) = 1258330
Index: net-mgmt/prometheus1/pkg-descr
===================================================================
--- net-mgmt/prometheus1/pkg-descr	(revision 526379)
+++ net-mgmt/prometheus1/pkg-descr	(working copy)
@@ -7,7 +7,7 @@
 systems are:
 
 - a multi-dimensional data model (timeseries defined by metric name and
-  set of key/value dimensions) 
+  set of key/value dimensions)
 - a flexible query language to leverage this dimensionality 
 - no dependency on distributed storage; single server nodes are autonomous
 - timeseries collection happens via a pull model over HTTP