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List:       git
Subject:    Re: [PATCH] Shallow clone: low level machinery.
From:       Junio C Hamano <junkio () cox ! net>
Date:       2006-01-31 18:22:22
Message-ID: 7vzmlcz28x.fsf () assigned-by-dhcp ! cox ! net
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Johannes Schindelin <Johannes.Schindelin@gmx.de> writes:

> Worse, you cannot pull from older servers into shallow repos.

"have X" means different thing if you do not have matching
grafts information, so I suspect that is fundamentally
unsolvable.

I am not sure you can convince "git-rev-list ^A" to mean "not at
A but things before that is still interesting", especially when
you give many other heads to start traversing from, but if you
can, then you can do things at rev-list command line parameter
level without doing the "exchange and use the same grafts"
trickery.  That _might_ be easier to implement but I do not see
an obvious correctness guarantee in the approach.

Implementation bugs aside, it is obvious the things _would_ work 
correctly with "exchange and use the same grafts" approach.



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