Re: Is there some script to find un-delta-able objects?

From: Jeff King <peff@peff.net>
Date: Oct 5, 2018, 16:19 UTC
Message-ID: <20181005161943.GA8816@sigill.intra.peff.net>
In-Reply-To: <87d0soh3v8.fsf@evledraar.gmail.com>

On Fri, Oct 05, 2018 at 04:20:27PM +0200, Ævar Arnfjörð Bjarmason wrote:

Show 6 quoted lines

> I.e. something to generate the .gitattributes file using this format:
> 
> https://git-scm.com/docs/gitattributes#_packing_objects
> 
> Some stuff is obvious, like "*.gpg binary -delta", but I'm wondering if
> there's some repo scanner utility to spew this out for a given repo.

I'm not sure what you mean by "un-delta-able" objects. Do you mean ones where we're not likely to find a delta? Or ones where Git will not try to look for a delta?

If the latter, I think the only rules are the "-delta" attribute and the object size. You should be able to use git-check-attr and "git-cat-file" to get that info.

If the former, I don't know how you would know. We can only report on what isn't a delta _yet_.

-Peff