From a56fca81f169ada536626659dee90d88c9d7553b Mon Sep 17 00:00:00 2001
From: Greg Price <greg@zulipchat.com>
Date: Wed, 15 Nov 2017 16:04:54 -0800
Subject: [PATCH] setup-certbot: Require hostname and email.

The script already won't work without them; so if the user gets the
invocation wrong, give a halfway-reasonable error rather than just
crash into the ground.
---
 scripts/setup/setup-certbot | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/scripts/setup/setup-certbot b/scripts/setup/setup-certbot
index 6b25945998..48aa2ba9a2 100755
--- a/scripts/setup/setup-certbot
+++ b/scripts/setup/setup-certbot
@@ -52,6 +52,10 @@ if [ -n "$show_help" ]; then
     usage
 fi
 
+if [ -z "$DOMAIN" -o -z "$EMAIL" ]; then
+    usage
+fi
+
 case "$method" in
     standalone)
         method_args=(--standalone)