man rsync
...
--del an alias for --delete-during
--delete delete files that don't exist on sender
--delete-before receiver deletes before transfer (default)
--delete-during receiver deletes during xfer, not before
--delete-after receiver deletes after transfer, not before
--delete-excluded also delete excluded files on receiver
...AllowTcpForwarding yes
X11Forwarding yes
X11DisplayOffset 10
X11UseLocalhost yesxhost +ForwardAgent yes
ForwardX11 yesssh -Y user@desktop