IRC default domain for onion only

src/freedombone

     echo '    autoconnect = "yes";' >> /home/$MY_USERNAME/.irssi/config
     echo '  },' >> /home/$MY_USERNAME/.irssi/config
     echo '  {' >> /home/$MY_USERNAME/.irssi/config
-    echo "    address = \"${DEFAULT_DOMAIN_NAME}\";" >> /home/$MY_USERNAME/.irssi/config
+    if [[ $ONION_ONLY == 'no' ]]; then
+        echo "    address = \"${DEFAULT_DOMAIN_NAME}\";" >> /home/$MY_USERNAME/.irssi/config
+    else
+        IRC_ONION_HOSTNAME=$(cat $COMPLETION_FILE | grep "IRC onion domain" | awk -F ':' '{print $2}')
+        echo "    address = \"${IRC_ONION_HOSTNAME}\";" >> /home/$MY_USERNAME/.irssi/config
+    fi
     echo '    chatnet = "Freedombone";' >> /home/$MY_USERNAME/.irssi/config
     echo "    port = \"${IRC_PORT}\";" >> /home/$MY_USERNAME/.irssi/config
     echo '    use_ssl = "yes";' >> /home/$MY_USERNAME/.irssi/config