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From: John Keeping <john@keeping•me.uk>
To: John Szakmeister <john@szakmeister•net>
Cc: Junio C Hamano <gitster@pobox•com>,
	Philip Oakley <philipoakley@iee•org>,
	Felipe Contreras <felipe.contreras@gmail•com>,
	git@vger•kernel.org, Andreas Krey <a.krey@gmx•de>
Subject: Re: [PATCH 0/3] Reject non-ff pulls by default
Date: Thu, 5 Sep 2013 12:38:22 +0100	[thread overview]
Message-ID: <20130905113822.GF2582@serenity.lan> (raw)
In-Reply-To: <CAEBDL5VfHObeWZWvj0bnv5x+QF1_DACdU+Ehds6fHUioziHWrQ@mail.gmail.com>

On Thu, Sep 05, 2013 at 07:01:03AM -0400, John Szakmeister wrote:
> On Wed, Sep 4, 2013 at 6:59 PM, Junio C Hamano <gitster@pobox•com> wrote:
> [snip]
> > When "git pull" stops because what was fetched in FETCH_HEAD does
> > not fast-forward, then what did _you_ do (and with the knowledge you
> > currently have, what would you do)?  In a single project, would you
> > choose to sometimes rebase and sometimes merge, and if so, what is
> > the choice depend on?  "When I am on these selected branches, I want
> > to merge, but on other branches I want to rebase?"
> 
> Our team isn't quite proficient enough yet to have a completely rebase
> workflow... though we might have less of a problem if we did.  So,
> several interesting points.  Most of the time, `git pull` would be a
> fast-forward merge.  We typically perform the merges of topic branches
> server-side--we have a build server who checks to make sure the result
> would be successful--and we just hit the big green button on the Merge
> button for the pull request (we use GitHub Enterprise at the moment).
> 
> However, nearly as often, we just merge the branch locally because
> someone on the team is doing some manual testing, and it's just
> convenient to finish the process on the command line.  What
> occasionally happens is that you merge the topic locally, but someone
> else has introduced a new commit to master.  We try to preserve the
> mainline ordering of commits, so `git pull` doing a merge underneath
> the hood is undesirable (it moves the newly introduced commit off to
> the side).  Rebasing your current master branch is not the answer
> either, because it picks up the commits introduced by the topic branch
> and rebases those to--at least with the -p option, and without it, the
> results are just as bad).  Instead, we want to unfold our work,
> fast-forward merge the upstream, and the replay our actions--namely
> remerge the topic branch.  It often ends up translating to this:
> 
>    $ git reset --hard HEAD~1
>    $ git merge --ff-only @{u}
>    $ git merge topic
>    $ git push
> 
> So what I really want isn't quite rebase.  I'm not sure any of the
> proposed solutions would work.  It'd be really nice to replay only the
> mainline commits, without affecting commits introduced from a topic
> branch.

Does "git rebase --preserve-merges" do what you want here?

  reply	other threads:[~2013-09-05 11:38 UTC|newest]

Thread overview: 84+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-31 22:38 [PATCH 0/3] Reject non-ff pulls by default Felipe Contreras
2013-08-31 22:38 ` [PATCH 1/3] merge: simplify ff-only option Felipe Contreras
2013-08-31 22:38 ` [PATCH 2/3] t: replace pulls with merges Felipe Contreras
2013-08-31 22:38 ` [PATCH 3/3] pull: reject non-ff pulls by default Felipe Contreras
2013-09-03 17:21 ` [PATCH 0/3] Reject " Junio C Hamano
2013-09-03 21:50   ` Felipe Contreras
2013-09-03 22:38     ` Junio C Hamano
2013-09-03 22:59       ` Felipe Contreras
2013-09-04  8:10       ` John Keeping
2013-09-04  9:25         ` Jeff King
2013-09-04 10:16           ` John Keeping
2013-09-08  2:52           ` Felipe Contreras
2013-09-08  4:18             ` Jeff King
2013-09-08  4:37               ` Felipe Contreras
2013-09-08  4:43                 ` Jeff King
2013-09-08  5:09                   ` Felipe Contreras
2013-09-08  5:21                     ` Jeff King
2013-09-08  6:17                       ` Felipe Contreras
2013-09-08  6:54                         ` Jeff King
2013-09-08  7:15                           ` Felipe Contreras
2013-09-08  7:50                             ` Jeff King
2013-09-08  8:43                               ` Felipe Contreras
2013-09-09 20:17                               ` Jeff King
2013-09-09 22:59                                 ` Felipe Contreras
2013-09-08 10:03                           ` John Keeping
2013-09-09 20:04                             ` Jeff King
2013-09-08 17:26                 ` brian m. carlson
2013-09-08 22:38                   ` Felipe Contreras
2013-09-09  0:01                     ` brian m. carlson
2013-09-09  0:29                       ` Felipe Contreras
2013-09-09  0:36                         ` Felipe Contreras
2013-09-09  0:38                           ` brian m. carlson
2013-09-09  7:18                         ` Matthieu Moy
2013-09-09 18:47                           ` Junio C Hamano
2013-09-09 19:52                             ` Jeff King
2013-09-09 20:24                               ` John Keeping
2013-09-09 20:44                                 ` Jeff King
2013-09-09 21:10                                   ` John Keeping
2013-09-09 21:48                                   ` Richard Hansen
2013-09-09 20:50                                 ` Matthieu Moy
2013-09-09 20:53                                   ` Jeff King
2013-09-09 21:34                                     ` Philip Oakley
2013-09-09 23:02                                 ` Felipe Contreras
2013-09-10  8:08                                   ` John Keeping
2013-09-09 20:47                             ` Matthieu Moy
2013-09-10 21:56                               ` Junio C Hamano
2013-09-09 23:17                           ` Felipe Contreras
2013-09-10  8:26                             ` Matthieu Moy
2013-09-11 10:53                               ` Felipe Contreras
2013-09-11 11:38                                 ` Matthieu Moy
2013-09-13  0:55                                   ` Felipe Contreras
2013-09-04 16:59         ` Junio C Hamano
2013-09-04 17:17         ` Junio C Hamano
2013-09-04 22:08           ` Philip Oakley
2013-09-04 22:59             ` Junio C Hamano
2013-09-05  8:06               ` John Keeping
2013-09-05 19:18                 ` Junio C Hamano
2013-09-05 19:26                   ` John Keeping
2013-09-06 21:41                     ` Jonathan Nieder
2013-09-06 22:14                       ` Junio C Hamano
2013-09-07 11:07                         ` John Keeping
2013-09-08  2:36                         ` Felipe Contreras
2013-09-08  2:34                 ` Felipe Contreras
2013-09-08  8:01                   ` Philip Oakley
2013-09-08  8:16                     ` Felipe Contreras
2013-09-08  8:42                       ` Philip Oakley
2013-09-08  8:49                         ` Felipe Contreras
2013-09-08 10:02                           ` Philip Oakley
2013-09-08 10:39                             ` Philip Oakley
2013-09-05 11:01               ` John Szakmeister
2013-09-05 11:38                 ` John Keeping [this message]
2013-09-05 12:37                   ` John Szakmeister
2013-09-05 15:20               ` Richard Hansen
2013-09-05 21:30               ` Philip Oakley
2013-09-05 23:45                 ` Junio C Hamano
2013-09-05 23:38               ` Junio C Hamano
2013-09-08  2:41               ` Felipe Contreras
2013-09-08  6:17                 ` Richard Hansen
2013-09-08 18:10                   ` Junio C Hamano
2013-09-08 20:05                     ` Richard Hansen
2013-09-08 22:46                     ` Philip Oakley
2013-09-08 22:46                     ` Felipe Contreras
2013-09-08 23:11                       ` Ramkumar Ramachandra
2013-09-05 13:31           ` Greg Troxel

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