bug#60416: [PATCH] copy: attempt copy offload with sparse files

[Pádraig Brady]

On 30/12/2022 22:32, Paul Eggert wrote:

Thanks, looks good, please install.

Thanks for the review.
OP also posted good results.
Pushed with NEWS entry.
Marking this as done.

I may follow up with a related patch to
ensure we _don't_ use copy_file_range with --sparse=never.

cheers,
Pádraig