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From: Elijah Newren <newren@gmail.com>
To: Junio C Hamano <gitster@pobox.com>
Cc: "Elijah Newren via GitGitGadget" <gitgitgadget@gmail.com>,
	"Git Mailing List" <git@vger.kernel.org>,
	"Alex Henrie" <alexhenrie24@gmail.com>,
	"Son Luong Ngoc" <sluongng@gmail.com>,
	"Matthias Baumgarten" <matthias.baumgarten@aixigo.com>,
	"Eric Sunshine" <sunshine@sunshineco.com>,
	"Ævar Arnfjörð Bjarmason" <avarab@gmail.com>
Subject: Re: [PATCH v2 4/8] pull: since --ff-only overrides, handle it first
Date: Wed, 21 Jul 2021 20:42:09 -0700	[thread overview]
Message-ID: <CABPp-BG--c4Q8bFv20382dyQJgAWqZymT+gGD0eR2v0QB2RQxg@mail.gmail.com> (raw)
In-Reply-To: <xmqqlf5zctey.fsf@gitster.g>

On Wed, Jul 21, 2021 at 1:18 PM Junio C Hamano <gitster@pobox.com> wrote:
>
> "Elijah Newren via GitGitGadget" <gitgitgadget@gmail.com> writes:
>
> > -     if (!can_ff) {
> > -             if (opt_ff) {
> > -                     if (!strcmp(opt_ff, "--ff-only"))
> > -                             die_ff_impossible();
> > -             } else {
> > -                     if (rebase_unspecified && opt_verbosity >= 0)
> > -                             show_advice_pull_non_ff();
> > -             }
> > +     /* ff-only takes precedence over rebase */
> > +     if (opt_ff && !strcmp(opt_ff, "--ff-only")) {
> > +             if (!can_ff)
> > +                     die_ff_impossible();
> > +             opt_rebase = REBASE_FALSE;
> >       }
> > +     /* If no action specified and we can't fast forward, then warn. */
> > +     if (!opt_ff && rebase_unspecified && !can_ff)
> > +             show_advice_pull_non_ff();
>
> This part makes sense, but ...
>
> > @@ -1069,13 +1069,7 @@ int cmd_pull(int argc, const char **argv, const char *prefix)
> >                   submodule_touches_in_range(the_repository, &upstream, &curr_head))
> >                       die(_("cannot rebase with locally recorded submodule modifications"));
> >
> > -             if (can_ff) {
> > -                     /* we can fast-forward this without invoking rebase */
> > -                     opt_ff = "--ff-only";
> > -                     ret = run_merge();
> > -             } else {
> > -                     ret = run_rebase(&newbase, &upstream);
> > -             }
> > +             ret = run_rebase(&newbase, &upstream);
>
> ... as I already pointed out, this does not seem to belong to the
> change.
>
> What makes this hunk necessary?
>
> We used to use run_merge() to fast-forward, now we let run_rebase()
> to first "checkout" their tip, which ends up to be a fast-forward in
> the "can_ff" situation.  As a side effect, opt_ff gets contaminated
> with the current code, but that would not affect what happens after
> this part (i.e. call to rebase_submodules()).

Indeed, you are right.  Sorry about that, I'll re-roll with this hunk
removed, and the modifications to t5520 pulled out as well.

  reply	other threads:[~2021-07-22  3:42 UTC|newest]

Thread overview: 59+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-17 15:41 [PATCH 0/9] Handle pull option precedence Elijah Newren via GitGitGadget
2021-07-17 15:41 ` [PATCH 1/9] t7601: add relative precedence tests for merge and rebase flags/options Elijah Newren via GitGitGadget
2021-07-17 18:03   ` Felipe Contreras
2021-07-19 18:23   ` Junio C Hamano
2021-07-20 17:10     ` Elijah Newren
2021-07-20 18:22       ` Junio C Hamano
2021-07-20 20:29     ` Felipe Contreras
2021-07-17 15:41 ` [PATCH 2/9] t7601: add tests of interactions with multiple merge heads and config Elijah Newren via GitGitGadget
2021-07-17 18:04   ` Felipe Contreras
2021-07-20 23:11   ` Junio C Hamano
2021-07-21  0:45     ` Elijah Newren
2021-07-17 15:41 ` [PATCH 3/9] pull: abort if --ff-only is given and fast-forwarding is impossible Alex Henrie via GitGitGadget
2021-07-17 18:14   ` Felipe Contreras
2021-07-17 15:41 ` [PATCH 4/9] pull: since --ff-only overrides, handle it first Elijah Newren via GitGitGadget
2021-07-17 18:22   ` Felipe Contreras
2021-07-17 15:41 ` [PATCH 5/9] pull: ensure --rebase overrides ability to ff Elijah Newren via GitGitGadget
2021-07-17 18:25   ` Felipe Contreras
2021-07-20 23:35   ` Junio C Hamano
2021-07-21  0:14     ` Elijah Newren
2021-07-17 15:41 ` [PATCH 6/9] pull: make --rebase and --no-rebase override pull.ff=only Elijah Newren via GitGitGadget
2021-07-17 18:28   ` Felipe Contreras
2021-07-20 23:53   ` Junio C Hamano
2021-07-21  0:09     ` Felipe Contreras
2021-07-17 15:41 ` [PATCH 7/9] pull: abort by default when fast-forwarding is not possible Elijah Newren via GitGitGadget
2021-07-17 18:31   ` Felipe Contreras
2021-07-17 15:41 ` [PATCH 8/9] pull: update docs & code for option compatibility with rebasing Elijah Newren via GitGitGadget
2021-07-21  0:17   ` Junio C Hamano
2021-07-21  0:44     ` Elijah Newren
2021-07-21  1:25       ` Junio C Hamano
2021-07-17 15:41 ` [PATCH 9/9] pull: fix handling of multiple heads Elijah Newren via GitGitGadget
2021-07-17 18:39 ` [PATCH 0/9] Handle pull option precedence Felipe Contreras
2021-07-21  1:42 ` [PATCH v2 0/8] " Elijah Newren via GitGitGadget
2021-07-21  1:42   ` [PATCH v2 1/8] t7601: test interaction of merge/rebase/fast-forward flags and options Elijah Newren via GitGitGadget
2021-07-21 12:24     ` Felipe Contreras
2021-07-21  1:42   ` [PATCH v2 2/8] t7601: add tests of interactions with multiple merge heads and config Elijah Newren via GitGitGadget
2021-07-21  1:42   ` [PATCH v2 3/8] pull: abort if --ff-only is given and fast-forwarding is impossible Alex Henrie via GitGitGadget
2021-07-21 12:25     ` Felipe Contreras
2021-07-21  1:42   ` [PATCH v2 4/8] pull: since --ff-only overrides, handle it first Elijah Newren via GitGitGadget
2021-07-21 19:18     ` Matthias Baumgarten
2021-07-21 21:18       ` Felipe Contreras
2021-07-21 20:18     ` Junio C Hamano
2021-07-22  3:42       ` Elijah Newren [this message]
2021-07-21  1:42   ` [PATCH v2 5/8] pull: make --rebase and --no-rebase override pull.ff=only Elijah Newren via GitGitGadget
2021-07-21 12:26     ` Felipe Contreras
2021-07-21  1:42   ` [PATCH v2 6/8] pull: abort by default when fast-forwarding is not possible Elijah Newren via GitGitGadget
2021-07-21 12:27     ` Felipe Contreras
2021-07-21  1:42   ` [PATCH v2 7/8] pull: update docs & code for option compatibility with rebasing Elijah Newren via GitGitGadget
2021-07-21  1:42   ` [PATCH v2 8/8] pull: fix handling of multiple heads Elijah Newren via GitGitGadget
2021-07-21 12:15   ` [PATCH v2 0/8] Handle pull option precedence Felipe Contreras
2021-07-22  5:04   ` [PATCH v3 " Elijah Newren via GitGitGadget
2021-07-22  5:04     ` [PATCH v3 1/8] t7601: test interaction of merge/rebase/fast-forward flags and options Elijah Newren via GitGitGadget
2021-07-22  5:04     ` [PATCH v3 2/8] t7601: add tests of interactions with multiple merge heads and config Elijah Newren via GitGitGadget
2021-07-22  5:04     ` [PATCH v3 3/8] pull: abort if --ff-only is given and fast-forwarding is impossible Alex Henrie via GitGitGadget
2021-07-22  5:04     ` [PATCH v3 4/8] pull: since --ff-only overrides, handle it first Elijah Newren via GitGitGadget
2021-07-22  5:04     ` [PATCH v3 5/8] pull: make --rebase and --no-rebase override pull.ff=only Elijah Newren via GitGitGadget
2021-07-22  5:04     ` [PATCH v3 6/8] pull: abort by default when fast-forwarding is not possible Elijah Newren via GitGitGadget
2021-07-22  5:04     ` [PATCH v3 7/8] pull: update docs & code for option compatibility with rebasing Elijah Newren via GitGitGadget
2021-07-22  5:04     ` [PATCH v3 8/8] pull: fix handling of multiple heads Elijah Newren via GitGitGadget
2021-07-22  7:09     ` [PATCH v3 0/8] Handle pull option precedence Felipe Contreras

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