On Mon, Jul 15, 2013 at 1:52 AM, Junio C Hamano <gits...@pobox.com> wrote:
> Duy Nguyen <pclo...@gmail.com> writes:
>> On Sun, Jul 14, 2013 at 4:25 AM, Jonathan Nieder <jrnie...@gmail.com> wrote:
>>> Hi,
>>> Nguyễn Thái Ngọc Duy wrote:
>>>> Since 52fed6e (receive-pack: check connectivity before concluding "git
>>>> push" - 2011-09-02), receive-pack is prepared to deal with broken
>>>> push, a shallow push can't cause any corruption. Update the document
>>>> to reflect that.
>>> Hmm, what happens when pushing to servers without that commit?  Do you
>>> think it should be applied to Debian squeeze for server operators that
>>> haven't upgraded yet to the current stable release?
>> This is pushing _from_ a shallow repo, where the sender repo's old
>> objects is a subset of the receiver's.
> The "subset" assumption does not necessarily hold, does it?  The
> receiver may have rewound its tips and pruned since then.
> Also, the sender may have cloned from the receiver (fully) and then
> fetched a different history shallowly from elsewhere.  The receiver
> may have no commit on that history, including the shallow-bottom.

Hmm.. right. And the receiver needs to setup proper graft to seal the
shallow bottom. So it's really not safe to do pushing from a shallow
repo without 52fed6e
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