snap-sync: make graphical notification via DBUS selectable

- introduce new configuration option --nonotify
- DBUS notificaton dialog only in interactive mode

bin/snap-sync

@@ -320,6 +320,10 @@ parse_params () {
 		donotify=false
 		shift
 		;;
+	    --nonotify)
+		donotify=false
+		shift 1
+		;;
             -p|--port)
 		port=$2
 		shift 2
@@ -444,10 +448,13 @@ parse_params () {
     subvolid_cmdline=${subvolid_cmdline:-"none"}
     backupdir_cmdline=${backupdir_cmdline:-"none"}
 
-    if [ -z $remote ]; then
+    if [ -z "$remote" ]; then
 	ssh=""
     else
 	ssh="ssh $remote"
+	if [ ! -z "$port" ]; then
+           ssh="$ssh -p $port"
+        fi
     fi
 
     if [ "$verbose" ]; then
@@ -470,6 +477,7 @@ parse_params () {
 	if [ "$verbose" ]; then snap_sync_options="verbose=true"; fi
 	if [ "$dryrun" ]; then snap_sync_options="${snap_sync_options} dry-run=true"; fi
 	if [ "$batch" ]; then snap_sync_options="${snap_sync_options} batch=true do_pv_cmd=false" ; fi
+	if [ "$nonotify" ]; then snap_sync_options="${snap_sync_options} donotify=false"; fi
 	if [ "$interactive" ]; then snap_sync_options="${snap_sync_options} interactive=true batch=false"; fi
 	printf "Options:            '%s'\n" "${snap_sync_options}"
     fi
@@ -677,7 +685,9 @@ run_backup () {
 
 	cont_backup=$(eval echo \$snapper_activate_$i)
 	if [ "$cont_backup" = "no" ] || [ "$SNAP_SYNC_EXCLUDE" = "yes" ]; then
+	    if [ "$donotify" ]; then
 		notify_info "Backup in progress" "NOTE: Skipping '$selected_config' configuration."
+            fi
 	    continue
 	fi
 
@@ -820,12 +830,15 @@ run_finalize () {
 
 	cont_backup=$(eval echo \$snapper_activate_$i)
 	if [ "$cont_backup" = "no" ] || [ "$SNAP_SYNC_EXCLUDE" = "yes" ]; then
+	    if [ "$donotify" ]; then
 	       notify_info "Finalize backup" "NOTE: Skipping '$selected_config' configuration."
+            fi
 	    continue
 	fi
 
+	if [ "$donotify" ]; then
 	    notify_info "Finalize backup" "Cleanup tasks for configuration '$selected_config'."
-
+	fi
 	printf "\n"
 
 	# retrieve config specific infos from pseudo Arrays
@@ -1055,6 +1068,7 @@ Options:
                              (e.g. -c "root home").
  -n, --noconfirm             Do not ask for confirmation for each configuration. Will still prompt for backup
      --batch                 directory name on first backup"
+     --nonotify              Disable graphical notification (via dbus)
  -r, --remote <address>      Send the snapshot backup to a remote machine. The snapshot will be sent via ssh.
                              You should specify the remote machine's hostname or ip address. The 'root' user
                              must be permitted to login on the remote machine.
@@ -1205,6 +1219,7 @@ parse_params $@
 # read mounted BTRFS structures
 get_disk_infos
 
+if [ "$donotify" ]; then
     if [ "$target_cmdline" != "none" ]; then
 	if [ -z "$remote" ]; then
             notify_info "Backup started" "Starting backups to '$target_cmdline' ..."
@@ -1224,6 +1239,7 @@ else
             notify_info "Backup started" "Starting backups. Use command line menu to select disk on $remote."
 	fi
     fi
+fi
 
 # select the target BTRFS subvol
 select_target_disk
@@ -1250,8 +1266,10 @@ exec 3>&-
 # cleanup
 run_cleanup
 
+if [ "$donotify" ]; then
     if [ "$uuid_cmdline" != "none" ]; then
 	notify_info "Finished" "Backups to $uuid_cmdline complete!"
     else
 	notify_info "Finished" "Backups complete!"
     fi
+fi