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List:       git
Subject:    Re: [PATCH 00/21] replacement for dt/refs-backend-lmdb v7 patch 04/33
From:       David Turner <dturner () twopensource ! com>
Date:       2016-03-31 22:22:42
Message-ID: 1459462962.2976.38.camel () twopensource ! com
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On Thu, 2016-03-31 at 18:14 +0200, Michael Haggerty wrote:
> On 03/30/2016 10:05 PM, David Turner wrote:
> > On Wed, 2016-03-30 at 08:37 +0200, Michael Haggerty wrote:
> > > On 03/29/2016 10:12 PM, David Turner wrote:
> > > > On Sun, 2016-03-27 at 07:22 +0200, Michael Haggerty wrote:
> > > > > On 03/24/2016 07:47 AM, David Turner wrote:
> > > > > > [...]
> > > > > > I incorporated your changes into the lmdb backend.  To make
> > > > > > merging
> > > > > > later more convenient, I rebased on top of pu -- I think
> > > > > > this
> > > > > > mainly
> > > > > > depends on jk/check-repository-format, but I also included
> > > > > > some
> > > > > > fixes
> > > > > > for a couple of tests that had been changed by other
> > > > > > patches.
> > > > > 
> > > > > I think rebasing changes on top of pu is counterproductive. I
> > > > > believe
> > > > > that Junio had extra work rebasing your earlier series onto a
> > > > > merge
> > > > > of
> > > > > the minimum number of topics that it really depended on.
> > > > > There is
> > > > > no
> > > > > way
> > > > > that he could merge the branch in this form because it would
> > > > > imply
> > > > > merging all of pu.
> > > > > 
> > > > > See the zeroth section of SubmittingPatches [1] for the
> > > > > guidelines.
> > > > 
> > > > I'm a bit confused because 
> > > > [PATCH 18/21] get_default_remote(): remove unneeded flag
> > > > variable
> > > > 
> > > > doesn't do anything on master -- it depends on some patch in
> > > > pu. 
> > > >  And
> > > > we definitely want to pick up jk/check-repository-format (which
> > > > doesn't
> > > > include whatever 18/21 depends on).
> > > > 
> > > > So what do you think our base should be?
> > > 
> > > I think the preference is to base a patch series on the merge of
> > > master
> > > plus the minimum number of topics in pu (ideally, none) that are
> > > "essential" prerequisites of the changes in the patch series. For
> > > example, the version of this patch series that Junio has in his
> > > tree
> > > was
> > > based on master + sb/submodule-parallel-update. 
> > > 
> > > Even if there are minor
> > > conflicts with another in-flight topic, it is easier for Junio to
> > > resolve the conflicts when merging the topics together than to
> > > rebase
> > > the patch series over and over as the other patch series evolves.
> > > The
> > > goal of this practice is of course to allow patch series to
> > > evolve
> > > independently of each other as much as possible.
> > > 
> > > Of course if you have insights into nontrivial conflicts between
> > > your
> > > patch series and others, it would be helpful to discuss these in
> > > your
> > > cover letter.
> > 
> > If I am reading this correctly, it looks like your series also has
> > a
> > few more sb submodule patches, e.g. sb/submodule-init, which is
> > responsible for the code that 18/21 depends on.  
> > 
> > I think jk/check-repository-format is also  good to get in first,
> > because it changes the startup sequence a bit and it's a bit tricky
> > to
> > figure out what needs to change in dt/refs-backend-lmdb as a result
> > of
> > it. 
> > 
> > But I can't just merge jk/check-repository-format on top of
> > 71defe0047 
> > -- some function signatures have changed in the run-command stuff
> > and
> > it seems kind of annoying to fix up.  
> > 
> > So I propose instead that we just drop 18/21 for now, and use just
> > jk/check-repository-format as the base.
> > 
> > Does this seem reasonable to you?
> 
> Yes, that's fine. Patch 18/21 is just a random cleanup that nothing
> else
> depends on. Will you do the rebasing? If so, please let me know where
> I
> can fetch the result from.

Rebased:

https://github.com/dturner-tw/git.git on branch
dturner/pluggable-backends


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