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From: Elijah Newren <newren@gmail.com>
To: Jonathan Tan <jonathantanmy@google.com>
Cc: Git Mailing List <git@vger.kernel.org>,
	congdanhqx@gmail.com, Junio C Hamano <gitster@pobox.com>,
	Derrick Stolee <stolee@gmail.com>
Subject: Re: [PATCH v3] rebase --merge: optionally skip upstreamed commits
Date: Fri, 10 Apr 2020 19:46:07 -0700
Message-ID: <CABPp-BFQSZeeM-WNQi0vFzX_1M099yfHrHcAEoQOHgg8TvnjWg@mail.gmail.com> (raw)
In-Reply-To: <20200411011152.115895-1-jonathantanmy@google.com>

On Fri, Apr 10, 2020 at 6:11 PM Jonathan Tan <jonathantanmy@google.com> wrote:
>
> > >   Reapply all clean cherry-picks of any upstream commit instead of
> > >   dropping them. (If these commits then become empty after rebasing,
> > >   because they contain a subset of already upstream changes, the
> > >   behavior towards them is controlled by the `--empty` flag.)
> >
> > Perhaps add "preemptively" in there, so that it reads "...instead of
> > preemptively dropping them..."?
>
> Sounds good. Yes I can do this.
>
> > > If this works, I'll send out a new version containing Elijah's patches
> > > and mine in whatever branch my patch shows up in [1].
> > >
> > > [1] https://lore.kernel.org/git/xmqqd08fhvx5.fsf@gitster.c.googlers.com/
> >
> > Yeah, I was making changes to this exact same area in my series to
> > reference your flags.[2]
> >
> > [2] https://lore.kernel.org/git/e15c599c874956f1a297424c68fe28e04c71807b.1586541094.git.gitgitgadget@gmail.com/
> >
> > Would you mind if I took your proposed changes, put them in your
> > patch, and then rebased your patch on top of my series and touched up
> > the wording in the manpage to have the options reference each other?
>
> Go ahead! Thanks.

Cool, please double check that I made the changes as you expected:

https://lore.kernel.org/git/20d3a50f5a4bf91223c1b849d91e790683d70d66.1586573068.git.gitgitgadget@gmail.com/

> > > > Why not just list --keep-cherry-pick[s] in the list of options that
> > > > require use of the merge backend (i.e. the list containing '--merge')
> > > > instead of adding another sentence here?
> > >
> > > My reading of the list containing "--merge" is that they *trigger* the
> > > merge backend, not require the merge backend. My new option requires but
> > > does not trigger it (unless we want to change it to do so, which I'm
> > > fine with).
> >
> > Interesting; what part of the man page comes across that way?  That
> > may just be poor wording.
>
> "--merge" is documented as "Use merging strategies to rebase", which I
> interpret as triggering the merge backend. There are other things in the
> list like "--strategy" and "--interactive", which seem to be things that
> trigger the merge backend too, so I concluded that the list is about
> triggering the merge backend, not requiring it.
>
> > However, if an option requires a certain backend, is there a reason
> > why we would want to require the user to manually specify that backend
> > for their chosen option to work?  We know exactly which backend they
> > need, so we could just trigger it.  For every other case in rebase I
> > can think of, whenever a certain backend was required for an option we
> > always made the option trigger that backend (or throw an error if a
> > different backend had already been requested).
>
> I guess I wanted to leave open the option to have the same feature in
> the "apply" (formerly "am") backend. The use cases I am thinking of
> won't need that in the near future (for partial clone to make use of it
> in the "apply" backend, the "apply" backend would have to be further
> improved to batch fetching of missing blobs), though, so it might be
> best to just require and trigger "merge" (like the other cases you
> mention). I'll do that in the next version.

Putting them in the list doesn't mean that they're designed to only
work with one backend, just a reflection of what the current
requirements/incompatibilities are.  We've removed things from the
list before when we implemented it in the other backend(s).

  reply index

Thread overview: 78+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-09 20:55 [PATCH] " Jonathan Tan
2020-03-10  2:10 ` Taylor Blau
2020-03-10 15:51   ` Jonathan Tan
2020-03-10 12:17 ` Johannes Schindelin
2020-03-10 16:00   ` Jonathan Tan
2020-03-10 18:56 ` Elijah Newren
2020-03-10 22:56   ` Jonathan Tan
2020-03-12 18:04     ` Jonathan Tan
2020-03-12 22:40       ` Elijah Newren
2020-03-14  8:04         ` Elijah Newren
2020-03-17  3:03           ` Jonathan Tan
2020-03-18 17:30 ` [PATCH v2] " Jonathan Tan
2020-03-18 18:47   ` Junio C Hamano
2020-03-18 19:28     ` Jonathan Tan
2020-03-18 19:55       ` Junio C Hamano
2020-03-18 20:41         ` Elijah Newren
2020-03-18 23:39           ` Junio C Hamano
2020-03-19  0:17             ` Elijah Newren
2020-03-18 20:20   ` Junio C Hamano
2020-03-26 17:50   ` Jonathan Tan
2020-03-26 19:17     ` Elijah Newren
2020-03-26 19:27     ` Junio C Hamano
2020-03-29 10:12   ` [PATCH v2 4/4] t3402: use POSIX compliant regex(7) Đoàn Trần Công Danh
2020-03-30  4:06 ` [PATCH v3] rebase --merge: optionally skip upstreamed commits Jonathan Tan
2020-03-30  5:09   ` Junio C Hamano
2020-03-30  5:22   ` Danh Doan
2020-03-30 12:13   ` Derrick Stolee
2020-03-30 16:49     ` Junio C Hamano
2020-03-30 16:57     ` Jonathan Tan
2020-03-31 11:55       ` Derrick Stolee
2020-03-31 16:27   ` Elijah Newren
2020-03-31 18:34     ` Junio C Hamano
2020-03-31 18:43       ` Junio C Hamano
2020-04-10 22:27     ` Jonathan Tan
2020-04-11  0:06       ` Elijah Newren
2020-04-11  1:11         ` Jonathan Tan
2020-04-11  2:46           ` Elijah Newren [this message]
2020-03-26  7:35 [PATCH 0/3] add travis job for linux with musl libc Đoàn Trần Công Danh
2020-03-26  7:35 ` [PATCH 1/3] ci: libify logic for usage and checking CI_USER Đoàn Trần Công Danh
2020-03-26  7:35 ` [PATCH 2/3] ci: refactor docker runner script Đoàn Trần Công Danh
2020-03-26 16:06   ` Eric Sunshine
2020-03-28 17:53   ` SZEDER Gábor
2020-03-29  6:36     ` Danh Doan
2020-03-26  7:35 ` [PATCH 3/3] travis: build and test on Linux with musl libc and busybox Đoàn Trần Công Danh
2020-03-29  5:49 ` [PATCH 0/3] add travis job for linux with musl libc Junio C Hamano
2020-03-29 10:12 ` [PATCH v2 0/4] Travis + Azure jobs " Đoàn Trần Công Danh
2020-03-29 10:12   ` [PATCH v2 1/4] ci: libify logic for usage and checking CI_USER Đoàn Trần Công Danh
2020-03-29 10:12   ` [PATCH v2 2/4] ci: refactor docker runner script Đoàn Trần Công Danh
2020-04-01 21:51     ` SZEDER Gábor
2020-03-29 10:12   ` [PATCH v2 3/4] travis: build and test on Linux with musl libc and busybox Đoàn Trần Công Danh
2020-04-01 22:18     ` SZEDER Gábor
2020-04-02  1:42       ` Danh Doan
2020-04-07 14:53       ` Johannes Schindelin
2020-04-07 21:35         ` Junio C Hamano
2020-04-10 13:38           ` Johannes Schindelin
2020-03-29 16:23   ` [PATCH v2 0/4] Travis + Azure jobs for linux with musl libc Junio C Hamano
2020-04-02 13:03   ` [PATCH v3 0/6] " Đoàn Trần Công Danh
2020-04-02 13:04     ` [PATCH v3 1/6] ci: make MAKEFLAGS available inside the Docker container in the Linux32 job Đoàn Trần Công Danh
2020-04-02 13:04     ` [PATCH v3 2/6] ci/lib-docker: preserve required environment variables Đoàn Trần Công Danh
2020-04-03  8:22       ` SZEDER Gábor
2020-04-03 10:09         ` Danh Doan
2020-04-03 19:55           ` SZEDER Gábor
2020-04-02 13:04     ` [PATCH v3 3/6] ci/linux32: parameterise command to switch arch Đoàn Trần Công Danh
2020-04-02 13:04     ` [PATCH v3 4/6] ci: refactor docker runner script Đoàn Trần Công Danh
2020-04-02 13:04     ` [PATCH v3 5/6] ci/linux32: libify install-dependencies step Đoàn Trần Công Danh
2020-04-02 13:04     ` [PATCH v3 6/6] travis: build and test on Linux with musl libc and busybox Đoàn Trần Công Danh
2020-04-02 17:53     ` [PATCH v3 0/6] Travis + Azure jobs for linux with musl libc Junio C Hamano
2020-04-03  0:23       ` Danh Doan
2020-04-04  1:08   ` [PATCH v4 0/6] Travis " Đoàn Trần Công Danh
2020-04-04  1:08     ` [PATCH v4 1/6] ci: make MAKEFLAGS available inside the Docker container in the Linux32 job Đoàn Trần Công Danh
2020-04-04  1:08     ` [PATCH v4 2/6] ci/lib-docker: preserve required environment variables Đoàn Trần Công Danh
2020-04-04  1:08     ` [PATCH v4 3/6] ci/linux32: parameterise command to switch arch Đoàn Trần Công Danh
2020-04-04  1:08     ` [PATCH v4 4/6] ci: refactor docker runner script Đoàn Trần Công Danh
2020-04-04  1:08     ` [PATCH v4 5/6] ci/linux32: libify install-dependencies step Đoàn Trần Công Danh
2020-04-04  1:08     ` [PATCH v4 6/6] travis: build and test on Linux with musl libc and busybox Đoàn Trần Công Danh
2020-04-05 20:39     ` [PATCH v4 0/6] Travis jobs for linux with musl libc Junio C Hamano
2020-04-07 14:55       ` Johannes Schindelin
2020-04-07 19:25         ` Junio C Hamano

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