Always use --mkpath and --ignore-missing-args with rsync

With --rsync-options, only -r and -v were kept, so the first backup
failed because the simple_backup directory did not exist yet, and a
missing input made rsync fail. Use these options in any case.

man/simple_backup.1

@@ -112,7 +112,7 @@ Using \-\-rsync\-options it is possible to manually select which options to use.
 .P
     \-a, \-l, \-p, \-t, \-g, \-o, \-c, \-h, \-D, \-H, \-X, \-s
 .P
-Options \-r and \-v are used in any case. Not that options must be specified without dash (\-), for example:
+Options \-r, \-v, \-\-ignore\-missing\-args and \-\-mkpath are used in any case. Note that options must be specified without dash (\-), for example:
 .P
 .EX
     simple_backup \-\-rsync\-options a l p

simple_backup/simple_backup.py

@@ -937,12 +937,12 @@ def simple_backup() -> int:
     ssh_keyfile = args.keyfile if args.keyfile is not None else config_args['ssh_keyfile']
     remote_sudo = args.remote_sudo or config_args['remote_sudo']
 
-    if args.rsync_options is None:
-        rsync_options = ['-a', '-r', '-v', '-h', '-H',
-                         '-X', '-s', '--ignore-missing-args', '--mkpath']
-    else:
-        rsync_options = ['-r', '-v']
+    # Options needed in any case (--mkpath creates the backup directory on the first run)
+    rsync_options = ['-r', '-v', '--ignore-missing-args', '--mkpath']
 
+    if args.rsync_options is None:
+        rsync_options.extend(['-a', '-h', '-H', '-X', '-s'])
+    else:
         for ro in args.rsync_options:
             rsync_options.append(f'-{ro}')