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From: Jonathan Nieder <jrnieder@gmail.com>
To: Junio C Hamano <gitster@pobox.com>
Cc: Emily Shaffer <emilyshaffer@google.com>,
	Junio C Hamano via GitGitGadget <gitgitgadget@gmail.com>,
	git@vger.kernel.org, sandals@crustytoothpaste.net,
	steadmon@google.com, peff@peff.net, congdanhqx@gmail.com,
	phillip.wood123@gmail.com, sluongng@gmail.com,
	jonathantanmy@google.com,
	Derrick Stolee <derrickstolee@github.com>
Subject: Re: [PATCH 1/9] fetch: optionally allow disabling FETCH_HEAD update
Date: Wed, 12 Aug 2020 18:45:32 -0700	[thread overview]
Message-ID: <20200813014532.GC104953@google.com> (raw)
In-Reply-To: <xmqqo8nf4dkb.fsf@gitster.c.googlers.com>

Junio C Hamano wrote:

> As the feature itself is primarily designed for scripts that want to
> always disable writing of FETCH_HEAD, I can certainly understand a
> short-term/sighted view of not wanting to add configuration, though.

Yes, I think that since this feature is primarily designed for
scripts, an option is more likely to be useful for them than a config
setting.  An option kicks in when the calling script requests it; a
config setting can kick in even when they didn't intend to request it.

My opinion would change if we think that we're going to flip the
default to --no-write-fetch-head some day, in which case a config
setting would be a good way to request a preview of the future.  But I
don't believe anyone's brought that up as a direction we want to
pursue.

[...]
>>            If someone specifies both, then they probably want to say
>> "show me what I would write to FETCH_HEAD but don't actually do that" -
>> which isn't info that we print anyways, right now.
>
> Do you mean "don't actually write but show it to standard output
> instead" or something?

My take is that the behavior that the patch implements for --dry-run
--write-fetch-head is correct and what a user would want: it acts *as
though* you passed --write-fetch-head (including producing the same
console output), without producing mutations that the user might
regret (such as updating FETCH_HEAD).

Thanks and hope that helps,
Jonathan

  reply	other threads:[~2020-08-13  1:45 UTC|newest]

Thread overview: 66+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-06 16:30 [PATCH 0/9] Maintenance II: prefetch, loose-objects, incremental-repack tasks Derrick Stolee via GitGitGadget
2020-08-06 16:30 ` [PATCH 1/9] fetch: optionally allow disabling FETCH_HEAD update Junio C Hamano via GitGitGadget
2020-08-12 23:10   ` Emily Shaffer
2020-08-13  0:03     ` Junio C Hamano
2020-08-13  1:45       ` Jonathan Nieder [this message]
2020-08-13  4:37       ` [PATCH v3] " Junio C Hamano
2020-08-14  1:13         ` Derrick Stolee
2020-08-14  1:32           ` Junio C Hamano
2020-08-06 16:30 ` [PATCH 2/9] maintenance: add prefetch task Derrick Stolee via GitGitGadget
2020-08-12 23:10   ` Emily Shaffer
2020-08-14  1:28     ` Derrick Stolee
2020-08-06 16:30 ` [PATCH 3/9] maintenance: add loose-objects task Derrick Stolee via GitGitGadget
2020-08-12 23:10   ` Emily Shaffer
2020-08-14  1:46     ` Derrick Stolee
2020-08-06 16:30 ` [PATCH 4/9] maintenance: create auto condition for loose-objects Derrick Stolee via GitGitGadget
2020-08-06 16:30 ` [PATCH 5/9] midx: enable core.multiPackIndex by default Derrick Stolee via GitGitGadget
2020-08-06 16:30 ` [PATCH 6/9] midx: use start_delayed_progress() Derrick Stolee via GitGitGadget
2020-08-06 16:30 ` [PATCH 7/9] maintenance: add incremental-repack task Derrick Stolee via GitGitGadget
2020-08-06 16:30 ` [PATCH 8/9] maintenance: auto-size incremental-repack batch Derrick Stolee via GitGitGadget
2020-08-06 17:02   ` Son Luong Ngoc
2020-08-06 18:13     ` Derrick Stolee
2020-08-06 16:30 ` [PATCH 9/9] maintenance: add incremental-repack auto condition Derrick Stolee via GitGitGadget
2020-08-18 14:25 ` [PATCH v2 0/9] Maintenance II: prefetch, loose-objects, incremental-repack tasks Derrick Stolee via GitGitGadget
2020-08-18 14:25   ` [PATCH v2 1/9] fetch: optionally allow disabling FETCH_HEAD update Junio C Hamano via GitGitGadget
2020-08-18 14:25   ` [PATCH v2 2/9] maintenance: add prefetch task Derrick Stolee via GitGitGadget
2020-08-18 14:25   ` [PATCH v2 3/9] maintenance: add loose-objects task Derrick Stolee via GitGitGadget
2020-08-18 14:25   ` [PATCH v2 4/9] maintenance: create auto condition for loose-objects Derrick Stolee via GitGitGadget
2020-08-18 14:25   ` [PATCH v2 5/9] midx: enable core.multiPackIndex by default Derrick Stolee via GitGitGadget
2020-08-18 14:25   ` [PATCH v2 6/9] midx: use start_delayed_progress() Derrick Stolee via GitGitGadget
2020-08-18 14:25   ` [PATCH v2 7/9] maintenance: add incremental-repack task Derrick Stolee via GitGitGadget
2020-08-18 14:25   ` [PATCH v2 8/9] maintenance: auto-size incremental-repack batch Derrick Stolee via GitGitGadget
2020-08-18 14:25   ` [PATCH v2 9/9] maintenance: add incremental-repack auto condition Derrick Stolee via GitGitGadget
2020-08-25 18:36   ` [PATCH v3 0/8] Maintenance II: prefetch, loose-objects, incremental-repack tasks Derrick Stolee via GitGitGadget
2020-08-25 18:36     ` [PATCH v3 1/8] maintenance: add prefetch task Derrick Stolee via GitGitGadget
2020-09-22 23:05       ` Jonathan Tan
2020-08-25 18:36     ` [PATCH v3 2/8] maintenance: add loose-objects task Derrick Stolee via GitGitGadget
2020-09-22 23:09       ` Jonathan Tan
2020-09-24 13:45         ` Derrick Stolee
2020-08-25 18:36     ` [PATCH v3 3/8] maintenance: create auto condition for loose-objects Derrick Stolee via GitGitGadget
2020-09-22 23:15       ` Jonathan Tan
2020-09-24 13:51         ` Derrick Stolee
2020-08-25 18:36     ` [PATCH v3 4/8] midx: enable core.multiPackIndex by default Derrick Stolee via GitGitGadget
2020-09-22 23:16       ` Jonathan Tan
2020-09-24 13:53         ` Derrick Stolee
2020-08-25 18:36     ` [PATCH v3 5/8] midx: use start_delayed_progress() Derrick Stolee via GitGitGadget
2020-08-25 18:36     ` [PATCH v3 6/8] maintenance: add incremental-repack task Derrick Stolee via GitGitGadget
2020-09-22 23:26       ` Jonathan Tan
2020-09-24 14:05         ` Derrick Stolee
2020-09-24 22:01           ` Jonathan Tan
2020-08-25 18:36     ` [PATCH v3 7/8] maintenance: auto-size incremental-repack batch Derrick Stolee via GitGitGadget
2020-08-25 18:36     ` [PATCH v3 8/8] maintenance: add incremental-repack auto condition Derrick Stolee via GitGitGadget
2020-09-22 23:52       ` Jonathan Tan
2020-08-25 20:59     ` [PATCH v3 0/8] Maintenance II: prefetch, loose-objects, incremental-repack tasks Junio C Hamano
2020-08-26 15:15     ` Son Luong Ngoc
2020-08-26 16:21       ` Derrick Stolee
2020-09-25 12:33     ` [PATCH v4 " Derrick Stolee via GitGitGadget
2020-09-25 12:33       ` [PATCH v4 1/8] maintenance: add prefetch task Derrick Stolee via GitGitGadget
2020-09-25 12:33       ` [PATCH v4 2/8] maintenance: add loose-objects task Derrick Stolee via GitGitGadget
2020-09-25 12:33       ` [PATCH v4 3/8] maintenance: create auto condition for loose-objects Derrick Stolee via GitGitGadget
2020-09-25 18:00         ` Junio C Hamano
2020-09-25 18:43           ` Derrick Stolee
2020-09-25 12:33       ` [PATCH v4 4/8] midx: enable core.multiPackIndex by default Derrick Stolee via GitGitGadget
2020-09-25 12:33       ` [PATCH v4 5/8] midx: use start_delayed_progress() Derrick Stolee via GitGitGadget
2020-09-25 12:33       ` [PATCH v4 6/8] maintenance: add incremental-repack task Derrick Stolee via GitGitGadget
2020-09-25 12:33       ` [PATCH v4 7/8] maintenance: auto-size incremental-repack batch Derrick Stolee via GitGitGadget
2020-09-25 12:33       ` [PATCH v4 8/8] maintenance: add incremental-repack auto condition Derrick Stolee via GitGitGadget

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