--backup-dir make backups into this directory
--suffix=SUFFIX backup suffix (default ~ w/o --backup-dir)
-u, --update update only (don't overwrite newer files)
+ -K, --keep-dirlinks treat symlinked dir on receiver as dir
-l, --links copy symlinks as symlinks
-L, --copy-links copy the referent of all symlinks
--copy-unsafe-links copy the referent of "unsafe" symlinks
regardless of the timestamps. This might change in the future (feel
free to comment on this on the mailing list if you have an opinion).
+dit(bf(-K, --keep-dirlinks)) On the receiving side, if a symlink is
+pointing to a directory, it will be treated as matching a directory
+from the sender.
+
dit(bf(-l, --links)) When symlinks are encountered, recreate the
symlink on the destination.