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From: Junio C Hamano <gitster@pobox.com>
To: Theodore Ts'o <tytso@mit.edu>
Cc: Josh Boyer <jwboyer@gmail.com>,
	Konstantin Khomoutov <kostix+git@007spb.ru>,
	Git Mailing List <git@vger.kernel.org>
Subject: Re: Specifying N revisions after the initial commit
Date: Tue, 22 Sep 2015 13:42:26 -0700	[thread overview]
Message-ID: <xmqq1tdq2nkd.fsf@gitster.mtv.corp.google.com> (raw)
In-Reply-To: <20150922204000.GC3318@thunk.org> (Theodore Ts'o's message of "Tue, 22 Sep 2015 16:40:00 -0400")

Theodore Ts'o <tytso@mit.edu> writes:

> On Tue, Sep 22, 2015 at 04:11:23PM -0400, Josh Boyer wrote:
>> Oh, context would help, yes.  In the case of the tree I'm parsing, I
>> know for a fact that the commit history is entirely linear and will
>> (should) always remain so.  E.g.
>> 
>> A - B - C - D - E - F ... {N}
>> 
>> So yes, finding e.g. the second commit after the root is complicated
>> for something resembling anything like a typical git repo, but this
>> isn't like that.  In other words, I can cheat.  Or at least I'm pretty
>> sure I can cheat :).
>
> I'd suggest making your script makes sure "git rev-list --merges A..N"
> doesn't output any commits, so you know for sure that the commit
> history is linear.  That way you'll be certain that you can cheat.  :-)

There are histories with multiple roots without any merges, in which
case you cannot ;-)

      reply	other threads:[~2015-09-22 20:42 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-22 18:32 Specifying N revisions after the initial commit Josh Boyer
2015-09-22 18:40 ` Konstantin Khomoutov
2015-09-22 19:10   ` Josh Boyer
2015-09-22 19:55     ` Junio C Hamano
2015-09-22 20:11       ` Josh Boyer
2015-09-22 20:40         ` Theodore Ts'o
2015-09-22 20:42           ` Junio C Hamano [this message]

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