fpm sync
fpm sync operates in two modes. If the package is hosted on fpm-repo then it syncs the content of local folder with remote [not yet implemented]. If the package is hosted on github etc, then sync creates a snapshot of modified files in .history folder.
fpm sync
Repo for amitu is github, directly syncing with .history.
when everything is up to date.
fpm sync
Everything is upto date.

fpm sync first reports the repo of the package name, if its github it says its directly syncing with .history.

Then it lists all the files that have been modified and updated.