Jeff King <> writes:

> On Tue, Oct 23, 2012 at 04:13:44PM +0200, Ævar Arnfjörð Bjarmason wrote:
>> > It fails a few tests in t1300, but it looks like those tests are testing
>> > for the behavior we have identified as wrong, and should be fixed.
>> I think this patch looks good.
> Thanks. It had a few minor flaws (like a memory leak). I fixed those,
> updated the tests, and split it out into a few more readable commits. In
> the process, I managed to uncover and fix a few other memory leaks in
> the area. I think this version is much more readable, and writing the
> rationale for patch 7 convinced me that it's the right thing to do.
> Another round of review would be appreciated.
>   [1/8]: t1300: style updates
>   [2/8]: t1300: remove redundant test
>   [3/8]: t1300: test "git config --get-all" more thoroughly
>   [4/8]: git-config: remove memory leak of key regexp
>   [5/8]: git-config: fix regexp memory leaks on error conditions
>   [6/8]: git-config: collect values instead of immediately printing
>   [7/8]: git-config: do not complain about duplicate entries
>   [8/8]: git-config: use git_config_with_options
> For those just joining us, the interesting bit is patch 7, which fixes
> some inconsistencies between the "git-config" tool and how the internal
> config callbacks work.

The way for the Porcelain scripts to mimick the internal "last one
wins" has been to grab values out of --get-all and do the "last one
wins" themselves, and I agree that a mode that frees them from
having to worry about it is a good *addition*.  I would even say
that if we were designing "git config" plumbing without existing
users, it would be the only sensible behaviour for "--get".

But "git config --get" users have been promised to get errors on
duplicate values so far, so I have to say this needs to come with a
big red sign about API breakage.

I would feel safer to introduce --get-one or something now, and
worry about migration as a separate step.

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