Re: [PATCH] update-hook: Major overhaul (handling tags, mainly).

[Junio C Hamano <junkio@cox.net>]

Andreas Ericsson <ae@op5.se> writes:

> This is the update hook we use in all our git-repos.
>
> It has some improvements over the original version, namely:
> * Don't send every commit since dawn of time when adding a new tag.
> * When updating an annotated tag, just send the diffs since the last tag.
> * Add diffstat output for 'normal' commits (top) and annotated tags (bottom).
> * Block un-annotated tags in shared repos.
>
> I'm a bit uncertain about that last one, but it demonstrates how to
> disallow updates of a ref which we use, so I kept it.
>
> Note that git-describe is needed for the "changes since last annotated tag"
> thing to work.
>
> Signed-off-by: Andreas Ericsson <ae@op5.se>

templates/hooks--* is a good place to showcase these "best
current practices", but unfortunately we can have only one BCP
per script there.  If nobody objects I'd take this patch.

I have been wondering if we would want to have an "examples/"
directory in the source tree.