Re: [PATCH 1/2] get_sha1_with_context: report features used in resolution

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Jeff King <peff@xxxxxxxx> writes:

> Most callers generally treat get_sha1 as a black box, giving
> it a string from the user and expecting to get a sha1 in
> return. The get_sha1_with_context function gives callers
> more information about what happened while resolving the
> object name so they can make better decisions about how to
> use the result. We currently use this only to provide
> information about the path entry used to find a blob.
>
> We don't currently provide any information about the
> resolution rules that were used to reach the final object.
> Some callers may want these in order to enforce a policy
> that a particular subset of the lookup rules are used (e.g.,
> when serving remote requests).
>
> This patch adds a set of bit-fields that document the use of
> particular features during an object lookup.
>
> Signed-off-by: Jeff King <peff@xxxxxxxx>
> ---
> The diffstat looks a little scary, but it is mostly just the internal
> get_sha1 functions learning to pass the object_context around.

Hmm, shouldn't this also cover peel_to_type()?  That would have made it
also apply to the maintenance track.
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