Oh, and since the shell instructions below are idempotent, you could put them
into a script and then execute this from the tippety top of your file tree
after every transfer, not caring which files are new or modified:
find . -exec {} \;
My use of the option is not idempotent though, so I need
Actually... I have made an extremely small and simple patch implementing an
option --time-only, and I have made a pull request for it:
https://github.com/RsyncProject/rsync/pull/719
It allows you to truncate your local files after transfer. Outside of rsync,
you must then truncate the file to z