From 661b6706def14c1ad5e0f59fb597095cdad88efc Mon Sep 17 00:00:00 2001
From: Michael Hobbs <michaelshanehobbs@gmail.com>
Date: Tue, 21 Apr 2015 10:58:11 -0700
Subject: [PATCH] fix verify_app_name to bomb on null app. use it in
 nginx:build-config

---
 plugins/common/functions      | 1 +
 plugins/nginx-vhosts/commands | 1 +
 2 files changed, 2 insertions(+)

diff --git a/plugins/common/functions b/plugins/common/functions
index da87b1300..8db3af6dd 100755
--- a/plugins/common/functions
+++ b/plugins/common/functions
@@ -104,6 +104,7 @@ dokku_container_log_verbose_quiet() {
 
 verify_app_name() {
   local APP="$1"
+  [[ ! -n "$APP" ]] && dokku_log_fail "(verify_app_name) APP must not be null"
   [[ ! -d "$DOKKU_ROOT/$APP" ]] && dokku_log_fail "App $APP does not exist"
   IMAGE="dokku/$APP"
   return 0
diff --git a/plugins/nginx-vhosts/commands b/plugins/nginx-vhosts/commands
index cafe92a28..19b48df10 100755
--- a/plugins/nginx-vhosts/commands
+++ b/plugins/nginx-vhosts/commands
@@ -28,6 +28,7 @@ restart_nginx () {
 case "$1" in
   nginx:build-config)
     APP="$2"; DOKKU_APP_LISTEN_PORT="$3"; DOKKU_APP_LISTEN_IP="${4}"
+    verify_app_name "$APP"
     VHOST_PATH="$DOKKU_ROOT/$APP/VHOST"
     URLS_PATH="$DOKKU_ROOT/$APP/URLS"
     WILDCARD_SSL="$DOKKU_ROOT/tls"