Re: [PATCH] docs: clarify that refs/notes/ do not keep the attached objects alive

[Junio C Hamano <gitster@pobox.com>]

Martin von Zweigbergk <martinvonz@google.com> writes:

> Good point. You dropped the bit about the notes (texts) being kept
> alive. I don't know if you did that intentionally are not.

Yes, I did it on purpose, because it is just one of the things that
can be reached from refs/, but we shouldn't write our document for
those like me, who know what notes and other things in Git are.

> I initially
> thought that we should keep that bit, but it's probably not actually
> very useful information. Users probably don't have large amounts of
> information stored in notes, so they probably don't care whether notes
> text is kept, especially since there's no good way of pruning the
> notes.

I am not sure if I agree with any part of the above.  End-user data
is precious no matter the volume, and we keep notes by making them
reachable from refs in the refs/notes/ hierarchy.

I am not sure what qualifies, in your eyes, "good" way, but "git
notes prune" is a good way to remove notes that are attached to
objects that have already been pruned away.