Re: [Bug] for-each-ref: %(object) and %(type) unimplemented

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

"Mikael Magnusson" <mikachu@gmail.com> writes:

> 2008/6/25 Jeff King <peff@peff.net>:
>> On Wed, Jun 25, 2008 at 12:08:15PM -0400, Jeff King wrote:
>>
>>> Since you seem to be testing for-each-ref, maybe it would make sense to
>>> put together a test script that exercises each of the atoms?
>>
>> Hmm. Actually, there is a test in t6300 that runs with each atom name.
>> Unfortunately, it doesn't bother actually checking the output for
>> sanity, so the fact that these atoms returned the empty string was
>> missed.
>
> The documentation also says "tree" and "parent" should work (which they
> also don't).

The doc does not say any such thing.  A tag object does not have 'parent'
nor 'tree' header fields.

Neither a commit have 'object' nor 'type' header fields and you cannot ask
for them when showing a commit object.