Add option to not remount target on backup

seqs/backup.sh

@@ -82,7 +82,9 @@ step_3_info() {
 }
 step_3_alias() { ALIAS="budir"; }
 step_3() {
+  local arg
   local configTarget=0
+  local noRemount=0
   local buSource=
   local buTarget=
   local buExcludes=
@@ -90,10 +92,16 @@ step_3() {
   # don't use step number
   shift
 
-  if [ "$1" == "-t" ] ; then
+  for arg in "$@"; do
+    case "$1" in
+      -t)
         configTarget=1
-    shift
-  fi
+        shift;;
+      -n)
+        noRemount=1
+        shift;;
+    esac
+  done
 
   if [ -z "$1" ] ; then
     echoerr " [E] Nothing found to backup $1"
@@ -144,9 +152,11 @@ step_3() {
     tmpTarget="${buTarget}/"
   fi
 
+  if [ $noRemount -eq 0 ]; then
     # remount target to be writable
     exep "mount -o rw,remount '${buTarget}' >>/dev/null 2>&1"
     endReturn -o $? "Remount (${buTarget}) to be writable failed"
+  fi
   
   if [ ! -w "${buTarget}" ] ; then 
     echoerr " [E] Backup target (${buTarget}) is not writable"