Refactor to use rsync server

setup

@@ -21,6 +21,8 @@ MOTION_LOG_FILE="/var/log/motion/motion.log"
 MOTION_PASSWORD="$(tr -dc A-Za-z0-9 </dev/urandom | head -c 24 ; echo '')"
 MOTION_USER="${USER}"
 NOTIFICATION_RECIPIENT="1234567890@sms.example.com"
+RSYNC_USER="user"
+RSYNC_SERVER="server"
 PORT_CONTROL="8080"
 PORT_STREAM="3000"
 TLS_CERT="/etc/letsencrypt/live/${DOMAIN}/fullchain.pem"
@@ -85,6 +87,14 @@ input_settings() {
   read -r input
   PORT_STREAM="${input:-$PORT_STREAM}"
 
+  printf "rsync user (%s): " "${RSYNC_USER}"
+  read -r input
+  RSYNC_USER="${input:-$RSYNC_USER}"
+
+  printf "rsync server (%s): " "${RSYNC_SERVER}"
+  read -r input
+  RSYNC_SERVER="${input:-$RSYNC_SERVER}"
+
   printf "TLS certifcate path (%s): " "${TLS_CERT}"
   read -r input
   TLS_CERT="${input:-$TLS_CERT}"
@@ -109,6 +119,8 @@ print_settings() {
   printf "Motion password: %s\n" "${MOTION_PASSWORD}"
   printf "Webcontrol port: %s\n" "${PORT_CONTROL}"
   printf "Livestream port: %s\n" "${PORT_STREAM}"
+  printf "rsync user: %s\n" "${RSYNC_USER}"
+  printf "rsync server: %s\n" "${RSYNC_SERVER}"
   printf "Notification recipient: %s\n" "${NOTIFICATION_RECIPIENT}"
   printf "TLS certificate: %s\n" "${TLS_CERT}"
   printf "TLS key: %s\n" "${TLS_KEY}"
@@ -130,6 +142,8 @@ write_settings() {
     sed -i 's|\${NOTIFICATION_RECIPIENT}|'"${NOTIFICATION_RECIPIENT}"'|g' "${f}"
     sed -i 's|\${PORT_CONTROL}|'"${PORT_CONTROL}"'|g' "${f}"
     sed -i 's|\${PORT_STREAM}|'"${PORT_STREAM}"'|g' "${f}"
+    sed -i 's|\${RSYNC_USER}|'"${RSYNC_USER}"'|g' "${f}"
+    sed -i 's|\${RSYNC_SERVER}|'"${RSYNC_SERVER}"'|g' "${f}"
     sed -i 's|\${TLS_CERT}|'"${TLS_CERT}"'|g' "${f}"
     sed -i 's|\${TLS_KEY}|'"${TLS_KEY}"'|g' "${f}"
   done