What does this do?

rsync-sidekick propagates following changes (or any combination) from source directory to destination directory:

Change in file modification timestamp
Rename of file/directory
Moving a file from one directory to another

https://github.com/m-manu/rsync-sidekick

GitHub - m-manu/rsync-sidekick: Propagate file renames, movements and timestamp changes before rsync runs

Propagate file renames, movements and timestamp changes before rsync runs - GitHub - m-manu/rsync-sidekick: Propagate file renames, movements and timestamp changes before rsync runs

^GitHub