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Commit 685fbd32 ("fetch-pack: perform a fetch using v2", 2018-03-15) attempted to teach Git deepen-relative in protocol v2 (among other things), but it didn't work: (1) fetch-pack.c needs to emit "deepen-relative". (2) upload-pack.c needs to ensure that the correct deepen_relative variable is passed to deepen() (there are two - the static variable and the one in struct upload_pack_data). (3) Before deepen() computes the list of reachable shallows, it first needs to mark all "our" refs as OUR_REF. v2 currently does not do this, because unlike v0, it is not needed otherwise. Fix all this and include a test demonstrating that it works now. For (2), the static variable deepen_relative is also eliminated, removing a source of confusion. Signed-off-by: Jonathan Tan <jonathantanmy@google.com> Reviewed-by: Josh Steadmon <steadmon@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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