From mboxrd@z Thu Jan  1 00:00:00 1970
From: Johannes Sixt <j6t@kdbg.org>
Subject: Re: [PATCH] git-gui: give more advice when detaching HEAD
Date: Sun, 13 Feb 2011 10:22:06 +0100
Message-ID: <201102131022.06863.j6t@kdbg.org>
References: <20110212070538.GA2459@sigill.intra.peff.net> <7voc6hy771.fsf@alter.siamese.dyndns.org> <AANLkTi=3m3pvciKXgUXGffsA9xDddTum5mhWBoaWA3o+@mail.gmail.com>
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Cc: Junio C Hamano <gitster@pobox.com>, Jeff King <peff@peff.net>,
	"Shawn O. Pearce" <spearce@spearce.org>, git@vger.kernel.org
To: Sverre Rabbelier <srabbelier@gmail.com>
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On Sonntag, 13. Februar 2011, Sverre Rabbelier wrote:
> Heya,
>
> On Sat, Feb 12, 2011 at 09:42, Junio C Hamano <gitster@pobox.com> wrote:
> > That way, the traversal will terminate much sooner than computing the
> > true merge base.
>
> Since we want to use this in git-gui, do you intend to expose this as
> a command somehow (e.g. 'git rev-parse --reachable HEAD --all' or
> somesuch)?

What's wrong with checking the output of

  git rev-list -1 HEAD --not --branches --tags --

for zero length?

-- Hannes