From mboxrd@z Thu Jan  1 00:00:00 1970
From: Dov Grobgeld <dov.grobgeld@gmail.com>
Subject: Re: Why do some commits not appear in "git log"?
Date: Sat, 6 Aug 2011 20:43:59 +0300
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Cc: Michael Witten <mfwitten@gmail.com>, git@vger.kernel.org
To: Junio C Hamano <gitster@pobox.com>
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Ok, now I grok it. Indeed these "substantial changes" by mistake
undid another large change. So the net result was zero, which git was
smart enough to figure out, and therefore these two changes +D and -D
cancelled one another and none of them were shown.

Thanks a lot!
Dov


On Wed, Aug 3, 2011 at 21:57, Junio C Hamano <gitster@pobox.com> wrote:
>
> Dov Grobgeld <dov.grobgeld@gmail.com> writes:
>
> > --full-history indeed made the missing commits show up! So why was the
> > commit pruned? It contains some substantial source changes...
>
> I suspect that these "substantial changes" did not make any contribution
> to the end result. Read
>
> http://thread.gmane.org/gmane.comp.version-control.git/89400/focus=90659
>
> These days, the --post-simplify option implemented in that discussion
> thread is called --simplify-merges or something, I think.