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From: Junio C Hamano <gitster@pobox.com>
To: Derrick Stolee <stolee@gmail.com>
Cc: Derrick Stolee via GitGitGadget <gitgitgadget@gmail.com>,
	git@vger.kernel.org
Subject: Re: [PATCH 00/11] [RFC] Create 'core.size=large' setting to update config defaults
Date: Thu, 06 Jun 2019 09:07:46 -0700	[thread overview]
Message-ID: <xmqqv9xir92l.fsf@gitster-ct.c.googlers.com> (raw)
In-Reply-To: <741a4e37-e5d6-829a-75ee-b9bc3f3b17b2@gmail.com> (Derrick Stolee's message of "Thu, 6 Jun 2019 08:23:45 -0400")

Derrick Stolee <stolee@gmail.com> writes:

>>  - perhaps we may eventually want to allow end users (via their
>>    ~/.gitconfig) and system administrators (via /etc/gitconfig)
>>    define such a macro setting (e.g. setting macro.largeRepoSetting
>>    sets pack.usebitmaps=true, pack.useSpars=true, etc.) *after* we
>>    figure out what we want to do to the other points in this list.
>>
>>  - even if we do not allow end users and system administrators futz
>>    with custom macros, can we specify the macros we ship without
>>    casting them in code?
>
> Are you suggesting that we allow some config values to be pulled from
> the repo contents?

Not at all.  As far as the configuration is concerned, what project
ships is tainted data that should not be used blindly.

What I had in mind is parallel to the idea of pushing "static struct
userdiff_driver builtin_drivers[]" out of the compiled-in code and
instead have a text file shipped in /usr/share/git/ somewhere.  So,
instead of having "core.size==large means these other four variables
are set to these values" in the code, we invent a general mechanism
to read such "macro" specification out of a text file, and that
would be the only code change---the specific "core.size==large
affects X, Y and Z" would not be in the code, but would be in the
text file we ship and read by the mechanism.

If the list of allowed "meta" configuration variables and the
configuration variables whose default each of them affects can be
expressed in our usual ".gitconfig" file format, then the system
administrators can add their own in /etc/gitconfig, too, to help
their users.

That is what I meant by the last item.  Note that I was "wondering
if it makes sense" and what I wrote above in this message is merely
clarifying what I meant---I am not making further/more arguments to
claim it is a good idea (at least not yet).

Thanks.

  reply	other threads:[~2019-06-06 16:07 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-03 20:18 Derrick Stolee via GitGitGadget
2019-06-03 20:18 ` [PATCH 01/11] repo-settings: create repo.size=large setting Derrick Stolee via GitGitGadget
2019-06-03 20:42   ` Jeff Hostetler
2019-06-03 20:18 ` [PATCH 03/11] repo-settings: pack.useSparse=true Derrick Stolee via GitGitGadget
2019-06-03 20:18 ` [PATCH 02/11] repo-settings: use index.version=4 by default Derrick Stolee via GitGitGadget
2019-06-03 20:18 ` [PATCH 04/11] status: add status.aheadbehind setting Jeff Hostetler via GitGitGadget
2019-06-03 20:18 ` [PATCH 05/11] status: add warning when a/b calculation takes too long for long/normal format Jeff Hostetler via GitGitGadget
2019-06-03 20:18 ` [PATCH 06/11] status: ignore status.aheadbehind in porcelain formats Jeff Hostetler via GitGitGadget
2019-06-03 20:18 ` [PATCH 07/11] repo-settings: status.aheadBehind=false Derrick Stolee via GitGitGadget
2019-06-03 20:18 ` [PATCH 08/11] fetch: add --[no-]show-forced-updates argument Derrick Stolee via GitGitGadget
2019-06-03 20:18 ` [PATCH 09/11] fetch: warn about forced updates after branch list Derrick Stolee via GitGitGadget
2019-06-03 20:18 ` [PATCH 10/11] pull: add --[no-]show-forced-updates passthrough to fetch Derrick Stolee via GitGitGadget
2019-06-03 20:18 ` [PATCH 11/11] repo-settings: fetch.showForcedUpdates=false Derrick Stolee via GitGitGadget
2019-06-03 20:55 ` [PATCH 00/11] [RFC] Create 'core.size=large' setting to update config defaults Derrick Stolee
2019-06-04 14:43 ` Johannes Schindelin
2019-06-04 14:56   ` Derrick Stolee
2019-06-05 20:39 ` Junio C Hamano
2019-06-06 12:23   ` Derrick Stolee
2019-06-06 16:07     ` Junio C Hamano [this message]
2019-06-19 15:11 ` [PATCH v2 0/3] [RFC] Create 'core.featureAdoptionRate' " Derrick Stolee via GitGitGadget
2019-06-19 15:12   ` [PATCH v2 1/3] repo-settings: create core.featureAdoptionRate setting Derrick Stolee via GitGitGadget
2019-06-28 20:50     ` Junio C Hamano
2019-06-28 21:08       ` Derrick Stolee
2019-06-28 21:42     ` Junio C Hamano
2019-06-29  1:43       ` Derrick Stolee
2019-06-30 18:35         ` Carlo Arenas
2019-07-01 12:45           ` Derrick Stolee
2019-07-02 10:47     ` Ævar Arnfjörð Bjarmason
2019-07-02 11:09       ` Duy Nguyen
2019-07-02 14:54         ` Derrick Stolee
2019-07-02 16:59         ` Junio C Hamano
2019-06-19 15:12   ` [PATCH v2 2/3] repo-settings: use index.version=4 by default Derrick Stolee via GitGitGadget
2019-06-19 15:12   ` [PATCH v2 3/3] repo-settings: pack.useSparse=true Derrick Stolee via GitGitGadget
2019-07-01 14:29   ` [PATCH v3 0/3] [RFC] Create 'core.featureAdoptionRate' setting to update config defaults Derrick Stolee via GitGitGadget
2019-07-01 14:29     ` [PATCH v3 1/3] repo-settings: create core.featureAdoptionRate setting Derrick Stolee via GitGitGadget
2019-07-01 23:27       ` Carlo Arenas
2019-07-02  9:20       ` Duy Nguyen
2019-07-02 10:53         ` Ævar Arnfjörð Bjarmason
2019-07-04 22:47         ` Jakub Narebski
2019-07-01 14:29     ` [PATCH v3 2/3] repo-settings: use index.version=4 by default Derrick Stolee via GitGitGadget
2019-07-01 14:29     ` [PATCH v3 3/3] repo-settings: pack.useSparse=true Derrick Stolee via GitGitGadget
2019-07-08 19:22     ` [PATCH v3 0/3] [RFC] Create 'core.featureAdoptionRate' setting to update config defaults Derrick Stolee
2019-07-09 18:55       ` Taylor Blau
2019-07-09 19:21       ` Junio C Hamano
2019-07-09 19:45         ` Derrick Stolee
2019-07-09 22:05           ` Junio C Hamano
2019-07-22 12:10             ` Derrick Stolee
2019-07-11 21:54       ` Jakub Narebski

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