From e5475b7e3e0612540816eb3cb32ebb1dd5d4f552 Mon Sep 17 00:00:00 2001
From: ahwayakchih <ahwayakchih@gmail.com>
Date: Mon, 11 Feb 2019 17:11:58 +0100
Subject: [PATCH] fix: check if `devil` command exists, as requested by
 @Neilpang

---
 deploy/mydevil.sh     |  5 +++++
 dnsapi/dns_mydevil.sh | 10 ++++++++++
 2 files changed, 15 insertions(+)

diff --git a/deploy/mydevil.sh b/deploy/mydevil.sh
index ef31b04b..73981abd 100755
--- a/deploy/mydevil.sh
+++ b/deploy/mydevil.sh
@@ -27,6 +27,11 @@ mydevil_deploy() {
   _debug _cca "$_cca"
   _debug _cfullchain "$_cfullchain"
 
+  if ! _exists "devil" ; then
+    _err "Could not find 'devil' command."
+    return 1
+  fi
+
   ip=$(mydevil_get_ip "$_cdomain")
   if [ -z "$ip" ]; then
     _err "Could not find IP for domain $_cdomain."
diff --git a/dnsapi/dns_mydevil.sh b/dnsapi/dns_mydevil.sh
index 8f8c5580..820233f3 100755
--- a/dnsapi/dns_mydevil.sh
+++ b/dnsapi/dns_mydevil.sh
@@ -18,6 +18,11 @@ dns_mydevil_add() {
   txtvalue=$2
   domain=""
 
+  if ! _exists "devil" ; then
+    _err "Could not find 'devil' command."
+    return 1
+  fi
+
   _info "Using mydevil"
 
   domain=$(mydevil_get_domain "$fulldomain")
@@ -48,6 +53,11 @@ dns_mydevil_rm() {
   txtvalue=$2
   domain=""
 
+  if ! _exists "devil" ; then
+    _err "Could not find 'devil' command."
+    return 1
+  fi
+
   _info "Using mydevil"
 
   domain=$(mydevil_get_domain "$fulldomain")