From: Junio C Hamano <gitster@pobox.com>
Date: Fri, 01 Jun 2012 22:00:04 GMT
Subject: Re: Getting the commit that corresponds to a specific annotated tag
Message-ID: <7vd35i1ymz.fsf@alter.siamese.dyndns.org>
In-Reply-To: <CA+mfgz2=ZFBetSGv1Bkq6orBbpVTS1k0gLVm0nGoR1sUDkDwqQ@mail.gmail.com>

Adam Mercer <ramercer@gmail.com> writes:

> For some porcelain I'm writing I need to determine the commit that
> corresponds to a given annotated tag, so far I have the following:
>
> $ git cat-file tag <tag_name> | grep object | awk '{print $2}'
>
> Is there already some pluming that performs this task?

I think you want

	git rev-parse $tag^{commit}

It's kind of scary, though.