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Re: [PATCH] fetch-pack: clear alternate shallow when complete

On Tue, Feb 05, 2019 at 08:26:36AM -0800, Jonathan Tan wrote:
> > It may be worth mentioning bd0b42aed3 (fetch-pack: do not take shallow
> > lock unnecessarily - 2019-01-10). I believe this is the same problem
> > and a full solution was suggested but not implemented in that commit.
> For reference, the full solution is [1], linked from that commit's email
> [2]. (Looking back, I probably should have included all the information
> below the "---" in the commit message proper.) The full solution is more
> related to shallow locks, though, not alternate_shallow_file.
> [1] https://public-inbox.org/git/20181218010811.143608-1-jonathantanmy@xxxxxxxxxx/
> [2] https://public-inbox.org/git/20190110193645.34080-1-jonathantanmy@xxxxxxxxxx/
> > The problem with dangling alternate_shallow_file is also from that
> > commit.
> You're right - thanks for noticing this.
> > When line_received is false at the end of
> > receive_shallow_info(), we should clear alternate_shallow_file. I'm
> > still debating myself whether we should clear alternate_shallow_file
> > in receive_shallow_info() in addition to your changes (which is good
> > hygiene anyway) to keep the setup steps of do_fetch_pack() and
> > do_fetch_pack_v2() aligned.
> Clearing alternate_shallow_file when line_received is false at the end
> of receive_shallow_info() sounds like a good idea to me.

I'll reroll with that change and a commit message update. I think it's
important that we get this issue fixed for the release, and then we can
choose to implement a more comprehensive solution later.
brian m. carlson: Houston, Texas, US
OpenPGP: https://keybase.io/bk2204

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