From: Junio C Hamano <gitster@pobox.com>
To: Phillip Wood <phillip.wood123@gmail.com>
Cc: Alex Henrie <alexhenrie24@gmail.com>,
git@vger.kernel.org, tao@klerks.biz, newren@gmail.com,
Johannes.Schindelin@gmx.de, sorganov@gmail.com,
chooglen@google.com, calvinwan@google.com,
jonathantanmy@google.com
Subject: Re: [PATCH v6 3/3] rebase: add a config option for --rebase-merges
Date: Tue, 07 Mar 2023 10:32:08 -0800 [thread overview]
Message-ID: <xmqqcz5kza3b.fsf@gitster.g> (raw)
In-Reply-To: <7cf19017-518b-245e-aea2-5dee55f88276@dunelm.org.uk> (Phillip Wood's message of "Tue, 7 Mar 2023 14:56:53 +0000")
Phillip Wood <phillip.wood123@gmail.com> writes:
>> +rebase.rebaseMerges::
>> + Whether and how to set the `--rebase-merges` option by default. Can
>> + be `rebase-cousins`, `no-rebase-cousins`, or a boolean. Setting to
>> + true is equivalent to `--rebase-merges` without an argument,
>
> This is a bit picky but how can rebase.rebaseMerges=true be equivalent
> to --rebase-merges without an argument when the behavior of
> --rebase-merges without an argument depends on the value of
> rebase.rebaseMerges?
True. I think the configuration is meant to give (when set to
something other than Boolean) the default value to the option
"--rebase-merges" that is given without value, so setting to false
should be a no-op (a command line option would override it if given,
and if there is no command line option, --rebase-merges is not used
by default), setting it to a specific value between cousin choices
would give --rebase-merges=<value> unless --no-rebase-merges is
given, but setting it to true here makes the result undefined,
unless the built-in default between cousin choices is described
here.
"Setting to true is equivalent to setting to no-rebase-cousins" and
"Setting to false is a no-op but accepted only for completeness",
perhaps?
>> setting to
>> + `rebase-cousins` or `no-rebase-cousins` is equivalent to
>> + `--rebase-merges` with that value as its argument, and setting to false
>> + is equivalent to `--no-rebase-merges`. Passing `--rebase-merges` on the
>> + command line without an argument overrides a `rebase.rebaseMerges=false`
>> + configuration, but the absence of a specific rebase-merges mode on the
>> + command line does not counteract a specific mode set in the configuration.
>
> I may not agree the with the design choice but the documentation here
> and below is very clear about the behavior of --rebase-merges without
> an argument which is good.
Is it? rebase.rebaseMerges=true does not give "a specific mode set
in the configuration", so it still is unclear what --rebase-merges
should do in that case. Unless what it means to set it to true is
described, as you pointed out above, that is.
>> +`no-rebase-cousins`. If the mode is not specified on the command line or in
>> +the `rebase.rebaseMerges` config option, it defaults to `no-rebase-cousins`.
This side could describe what setting it to "true" means, but it is
a separate page so it would be more friendly to readers to cover it
on both pages.
> I think we need
>
> } else {
> opts->rebase_cousins = 0;
> }
>
> here. Otherwise if rebase.rebaseMerges is set twice we wont follow the
> usual "last config wins" convention. For example
>
> [rebase]
> rebaseMerges=rebase-cousins
> rebaseMerges=true
>
> will result in us unexpectedly rebasing cousins
Thanks for a careful review.
next prev parent reply other threads:[~2023-03-07 18:43 UTC|newest]
Thread overview: 96+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-23 5:34 [PATCH v4 1/3] rebase: add documentation and test for --no-rebase-merges Alex Henrie
2023-02-23 5:34 ` [PATCH v4 2/3] rebase: stop accepting --rebase-merges="" Alex Henrie
2023-02-24 13:54 ` Johannes Schindelin
2023-02-24 17:20 ` Junio C Hamano
2023-02-24 17:50 ` Alex Henrie
2023-02-24 18:08 ` Junio C Hamano
2023-02-24 18:23 ` Alex Henrie
2023-02-24 18:40 ` Junio C Hamano
2023-02-24 18:55 ` Alex Henrie
2023-02-24 19:13 ` Junio C Hamano
2023-02-24 19:24 ` Alex Henrie
2023-02-24 19:24 ` Phillip Wood
2023-02-24 19:56 ` Alex Henrie
2023-02-23 5:34 ` [PATCH v4 3/3] rebase: add a config option for --rebase-merges Alex Henrie
2023-02-24 13:53 ` Johannes Schindelin
2023-02-24 17:49 ` Alex Henrie
2023-02-24 14:55 ` Phillip Wood
2023-02-24 17:51 ` Alex Henrie
2023-02-23 17:28 ` [PATCH v4 1/3] rebase: add documentation and test for --no-rebase-merges Junio C Hamano
2023-02-24 13:57 ` Johannes Schindelin
2023-02-24 19:16 ` Junio C Hamano
2023-02-25 18:09 ` Alex Henrie
2023-02-25 18:03 ` [PATCH v5 0/3] rebase: add a config option for --rebase-merges Alex Henrie
2023-02-25 18:03 ` [PATCH v5 1/3] rebase: add documentation and test for --no-rebase-merges Alex Henrie
2023-03-01 23:23 ` Glen Choo
2023-02-25 18:03 ` [PATCH v5 2/3] rebase: deprecate --rebase-merges="" Alex Henrie
2023-03-01 23:46 ` Glen Choo
2023-03-02 10:07 ` Phillip Wood
2023-03-02 18:02 ` Calvin Wan
2023-02-25 18:03 ` [PATCH v5 3/3] rebase: add a config option for --rebase-merges Alex Henrie
2023-03-01 23:43 ` Glen Choo
2023-03-02 9:37 ` Phillip Wood
2023-03-04 23:24 ` Alex Henrie
2023-03-07 16:23 ` Phillip Wood
2023-03-12 20:57 ` Alex Henrie
2023-03-13 14:20 ` Phillip Wood
2023-03-13 16:12 ` Felipe Contreras
2023-03-13 19:46 ` Junio C Hamano
2023-03-24 14:47 ` About replaying "evil" merges... " Johannes Schindelin
2023-03-02 18:02 ` Calvin Wan
2023-03-04 23:24 ` Alex Henrie
2023-03-01 23:14 ` [PATCH v5 0/3] " Glen Choo
2023-03-02 5:02 ` Alex Henrie
2023-03-02 5:09 ` Alex Henrie
2023-03-05 5:07 ` [PATCH v6 0/3] rebase: document, clean up, and introduce " Alex Henrie
2023-03-05 5:07 ` [PATCH v6 1/3] rebase: add documentation and test for --no-rebase-merges Alex Henrie
2023-03-08 22:25 ` Sergey Organov
2023-03-05 5:07 ` [PATCH v6 2/3] rebase: deprecate --rebase-merges="" Alex Henrie
2023-03-07 14:59 ` Phillip Wood
2023-03-05 5:07 ` [PATCH v6 3/3] rebase: add a config option for --rebase-merges Alex Henrie
2023-03-07 14:56 ` Phillip Wood
2023-03-07 18:32 ` Junio C Hamano [this message]
2023-03-12 21:01 ` Alex Henrie
2023-03-08 0:09 ` Glen Choo
2023-03-08 0:02 ` Glen Choo
2023-03-12 21:03 ` Alex Henrie
2023-03-15 2:52 ` Alex Henrie
2023-03-16 17:32 ` Glen Choo
2023-03-16 18:11 ` Felipe Contreras
2023-03-16 22:46 ` Glen Choo
2023-03-16 23:48 ` Felipe Contreras
2023-03-16 20:27 ` Alex Henrie
2023-03-16 22:39 ` Glen Choo
2023-03-18 5:59 ` Alex Henrie
2023-03-24 15:05 ` Johannes Schindelin
2023-03-25 16:59 ` Sergey Organov
2023-03-05 12:22 ` [PATCH v6 0/3] rebase: document, clean up, and introduce " Sergey Organov
2023-03-05 21:33 ` Alex Henrie
2023-03-05 22:54 ` Sergey Organov
2023-03-06 0:02 ` Alex Henrie
2023-03-06 13:23 ` Sergey Organov
2023-03-06 19:08 ` Junio C Hamano
2023-03-06 17:19 ` Junio C Hamano
2023-03-06 16:24 ` Phillip Wood
2023-03-06 17:36 ` Alex Henrie
2023-03-07 15:07 ` Phillip Wood
2023-03-08 0:13 ` Glen Choo
2023-03-12 21:04 ` [PATCH v7 " Alex Henrie
2023-03-12 21:04 ` [PATCH v7 1/3] rebase: add documentation and test for --no-rebase-merges Alex Henrie
2023-03-12 21:04 ` [PATCH v7 2/3] rebase: deprecate --rebase-merges="" Alex Henrie
2023-03-12 21:04 ` [PATCH v7 3/3] rebase: add a config option for --rebase-merges Alex Henrie
2023-03-20 5:59 ` [PATCH v8 0/3] rebase: document, clean up, and introduce " Alex Henrie
2023-03-20 5:59 ` [PATCH v8 1/3] rebase: add documentation and test for --no-rebase-merges Alex Henrie
2023-03-20 5:59 ` [PATCH v8 2/3] rebase: deprecate --rebase-merges="" Alex Henrie
2023-03-20 5:59 ` [PATCH v8 3/3] rebase: add a config option for --rebase-merges Alex Henrie
2023-03-22 16:54 ` Phillip Wood
2023-03-23 18:45 ` Junio C Hamano
2023-03-24 14:52 ` Phillip Wood
2023-03-25 5:23 ` Alex Henrie
2023-03-25 5:21 ` Alex Henrie
2023-03-26 3:06 ` [PATCH v9 0/3] rebase: document, clean up, and introduce " Alex Henrie
2023-03-26 3:06 ` [PATCH v9 1/3] rebase: add documentation and test for --no-rebase-merges Alex Henrie
2023-03-26 3:06 ` [PATCH v9 2/3] rebase: deprecate --rebase-merges="" Alex Henrie
2023-03-26 3:06 ` [PATCH v9 3/3] rebase: add a config option for --rebase-merges Alex Henrie
2023-03-26 15:12 ` [PATCH v9 0/3] rebase: document, clean up, and introduce " Phillip Wood
2023-03-27 16:33 ` Junio C Hamano
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