Improved flow when gnupg is not installed

install.sh

@@ -61,19 +61,19 @@ if ! hostname --fqdn > /dev/null 2>&1 ; then
   exit 1
 fi
 
-echo "Installing Sympl from '$version' repository."
-
+echo "Installing initial dependencies..."
+apt -yqq update
 if [ "x$(which debconf-set-selections)" = "x" ]; then
-  echo Installing debconf to set defaults...
-  apt-get -qq update
-  apt-get -qq -y install debconf
+  apt-get -qq -y install debconf gnupg
   if [ "x$(which debconf-set-selections)" = "x" ]; then
-    echo "Unable to set defaults, you will need to install manually, sorry."
-    exit 0
-  else
-    echo "OK"
+    echo "ERROR: Unable to set defaults, you will need to install manually, sorry."
+    exit 1
   fi
 fi
+
+echo "Installing Sympl from '$version' repository."
+
+echo "Setting defaults..."
 echo "phpmyadmin phpmyadmin/reconfigure-webserver select apache2" | debconf-set-selections
 echo "roundcube-core roundcube/dbconfig-install boolean true" | debconf-set-selections
 echo "roundcube-core roundcube/database-type select mysql" | debconf-set-selections
@@ -93,10 +93,6 @@ echo -n "Adding repository to apt..."
 echo "deb http://packages.mythic-beasts.com/mythic/ $version main" > "/etc/apt/sources.list.d/sympl_$codename.list"
 echo "OK"
 
-echo -n "Updating apt..."
-apt -yqq update
-echo "OK"
-
 echo "Installing Sympl..."
 if [ $noninteractive == 0 ]; then
   echo "Starting in 5 seconds - Ctrl-C to cancel!"