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Re: [PATCH 2/4] do not send client agent unless server does first

From
Jeff King <peff@peff.net>
Date
Aug 10, 2012, 21:09 UTC
Message-ID
<20120810210953.GA888@sigill.intra.peff.net>
In-Reply-To
<7vd32yjzu8.fsf@alter.siamese.dyndns.org>
On Fri, Aug 10, 2012 at 12:45:19PM -0700, Junio C Hamano wrote:
Show 19 quoted lines
> > diff --git a/builtin/fetch-pack.c b/builtin/fetch-pack.c
> > index fe56596..bc7a0f9 100644
> > --- a/builtin/fetch-pack.c
> > +++ b/builtin/fetch-pack.c
> > @@ -19,6 +19,7 @@ static int prefer_ofs_delta = 1;
> >  static int no_done;
> >  static int fetch_fsck_objects = -1;
> >  static int transfer_fsck_objects = -1;
> > +static int agent_supported;
> >  static struct fetch_pack_args args = {
> >  	/* .uploadpack = */ "git-upload-pack",
> >  };
> 
> This is only set to false once per process invocation.  We do not
> currently talk with more than one remote from the same process in
> the "fetch" codepath, and we must maintain that. This fix will be
> broken otherwise ("recursive submodule fetch" comes to mind; one
> more reason it should do its submodule business in a separate
> process).

Right; I followed the existing options in both fetch-pack and send-pack (use_sideband, no_done, and others here have the same issue), with the assumption that the current code was not broken (which may not be true, if it is simply masked by the fact that in practice everybody happens to support those older features).

I don't know off-hand whether that is actually a trigger-able bug in the current code or not. It's probably a good topic for a follow-on series.

Show 6 quoted lines
> > @@ -328,7 +329,8 @@ static int find_common(int fd[2], unsigned char *result_sha1,
> >  			if (args.no_progress)   strbuf_addstr(&c, " no-progress");
> >  			if (args.include_tag)   strbuf_addstr(&c, " include-tag");
> 
> This codepath still forgets to check if the other side advertised
> "thin-pack", "no-progress", and "include-tag", no?

Yes. I didn't realize it until Dave mentioned the "innocuous" list. I think cleaning them up is reasonable, but probably a separate topic.

Show 15 quoted lines
> > diff --git a/builtin/send-pack.c b/builtin/send-pack.c
> > index 5c69995..7d05064 100644
> > --- a/builtin/send-pack.c
> > +++ b/builtin/send-pack.c
> > @@ -252,6 +252,7 @@ int send_pack(struct send_pack_args *args,
> >  	int status_report = 0;
> >  	int use_sideband = 0;
> >  	int quiet_supported = 0;
> > +	int agent_supported = 0;
> >  	unsigned cmds_sent = 0;
> >  	int ret;
> >  	struct async demux;
> 
> This is initialied to 0 per communication, so having multiple
> remote.$there.pushURL configuration variables will work correctly.

Right. Not through me having thought about it, though, but by following the existing convention.

-Peff
Previous: Junio C HamanoNext: Jeff King
Message 5 of 37 in “jk/version-string and google code”
  1. 0/4 jk/version-string and google codeJeff King, Aug 10, 2012
  2. 1/4 send-pack: fix capability-sending logicJeff King, Aug 10, 2012
  3. 2/4 do not send client agent unless server does firstJeff King, Aug 10, 2012
  4. Junio C HamanoAug 10, 2012
  5. Jeff KingAug 10, 2012
  6. 3/4 connect: learn to parse capabilities with valuesJeff King, Aug 10, 2012
  7. Eric SunshineAug 10, 2012
  8. Junio C HamanoAug 10, 2012
  9. Jeff KingAug 10, 2012
  10. Junio C HamanoAug 10, 2012
  11. Junio C HamanoAug 13, 2012
  12. 4/4 fetch-pack: mention server version with verbose outputJunio C Hamano, Aug 13, 2012
  13. Junio C HamanoAug 13, 2012
  14. Jeff KingAug 13, 2012
  15. Junio C HamanoAug 13, 2012
  16. Jeff KingAug 13, 2012
  17. Junio C HamanoAug 13, 2012
  18. Jeff KingAug 13, 2012
  19. Jeff KingAug 14, 2012
  20. Jeff KingAug 14, 2012
  21. Junio C HamanoAug 14, 2012
  22. 4/4 fetch-pack: mention server version with verbose outputJeff King, Aug 10, 2012
  23. Junio C HamanoAug 10, 2012
  24. Jeff KingAug 10, 2012
  25. Junio C HamanoAug 10, 2012
  26. Jeff KingAug 10, 2012
  27. Shawn PearceAug 10, 2012
  28. Junio C HamanoAug 10, 2012
  29. Junio C HamanoAug 10, 2012
  30. Dave BorowitzAug 10, 2012
  31. Jeff KingAug 10, 2012
  32. Dave BorowitzAug 10, 2012
  33. Jeff KingAug 10, 2012
  34. Junio C HamanoAug 10, 2012
  35. Jeff KingAug 10, 2012
  36. Junio C HamanoAug 10, 2012
  37. Junio C HamanoAug 10, 2012

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