From c095f12c1967e644a2efe0edbcd8d39a53789712 Mon Sep 17 00:00:00 2001
From: emaste <emaste@FreeBSD.org>
Date: Tue, 5 Mar 2019 18:27:29 +0000
Subject: [PATCH] MFC r343411: freebsd-update: Clarify unsupported upgrade
 message

PR:		204115
Submitted by:	Gerald Aryeetey <aryeeteygerald_rogers.com>
Reviewed by:	delphij
Sponsored by:	The FreeBSD Foundation
---
 usr.sbin/freebsd-update/freebsd-update.sh | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/usr.sbin/freebsd-update/freebsd-update.sh b/usr.sbin/freebsd-update/freebsd-update.sh
index d387783c0d8..818a93278a0 100644
--- a/usr.sbin/freebsd-update/freebsd-update.sh
+++ b/usr.sbin/freebsd-update/freebsd-update.sh
@@ -994,7 +994,16 @@ fetch_pick_server () {
 
 # Have we run out of mirrors?
 	if [ `wc -l < serverlist` -eq 0 ]; then
-		echo "No mirrors remaining, giving up."
+		cat <<- EOF
+			No mirrors remaining, giving up.
+
+			This may be because upgrading from this platform (${ARCH})
+			or release (${RELNUM}) is unsupported by `basename $0`. Only
+			platforms with Tier 1 support can be upgraded by `basename $0`.
+			See https://www.freebsd.org/platforms/index.html for more info.
+
+			If unsupported, FreeBSD must be upgraded by source.
+		EOF
 		return 1
 	fi
 
-- 
2.45.0