From: Junio C Hamano <gitster@pobox.com>
Date: Tue, 26 Apr 2011 23:47:46 GMT
Subject: Re: [PATCH/RFC] Implemented return value for rev-list --quiet
Message-ID: <7vpqo8bmn1.fsf@alter.siamese.dyndns.org>
In-Reply-To: <4DB755D2.10303@boolsoft.org>

Jonas Gehring <jonas.gehring@boolsoft.org> writes:

> Thank you for this explanation, this really cleared up the intended
> ... I wanted to use it for ancestry testing of two
> commits,...
>
> After some additional digging, I realized that git-merge-base is the
> right tool for my task.

Either

	test "$(git merge-base A B)" = "$(git rev-parse A)"

or

	test -z "$(git rev-list -1 A..B)"

would be valid ways to see if A is an ancestor of B.