On Sat, Oct 24, 2015 at 01:02:21PM +0100, P??draig Brady wrote:

I'm a bit worried about the sparse expansion and default reflinking
which might preclude cp(1) from using this call in most cases, but I will
test and try to use it. coreutils has heuristics for determining if files
are remote, which we might use to restrict to that use case.

Can you explain why reflinking and hole expansion are an issue if done
locally and not if done remotely?  I'd really like to make the call as
usable as possible for everyone, but we really need clear semåntics for
that.

Also note that Annas current series allows for hole filling - any decent
implementation should not do them, but that's really a quality of
implementation and not an interface issue.
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