On Sun, Nov 24, 2013 at 10:55 PM, Nguyễn Thái Ngọc Duy
<pclouds@xxxxxxxxx> wrote:
> Pushing from a shallow clone using today's send-pack and receive-pack
> may work, if the transferred pack does not end up at any graft
> points. If it does, recent receive-pack that does connectivity check
> will reject the push. If receive-pack is old and does not have the
> connectivity check, the upstream repo becomes corrupt.
>
> The pack protocol is updated and send-pack now sends all shallow
> grafts before it sends the commands, if the repo is shallow. This
> protocol extension will break current receive-pack, which is intended,
> mostly to stop corrupting the upstream repo.
>
> Changes on the receiver are similar to what has been done in
> fetch-pack, i.e. filter out refs that require new shallow roots then
> go along as usual.
>
> Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
> ---
> diff --git a/Documentation/technical/pack-protocol.txt b/Documentation/technical/pack-protocol.txt
> index eb8edd1..c73b62f 100644
> --- a/Documentation/technical/pack-protocol.txt
> +++ b/Documentation/technical/pack-protocol.txt
> @@ -43,6 +43,9 @@ static int fix_thin = 1;
> static const char *head_name;
> static void *head_name_to_free;
> static int sent_capabilities;
> +static int shallow_push;
> +static const char* alternate_shallow_file;
s/char\* /char */
> +static struct extra_have_objects shallow;
>
> static enum deny_action parse_deny_action(const char *var, const char *value)
> {
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