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From: Johannes Schindelin <Johannes.Schindelin@gmx.de>
To: Jacob Keller <jacob.keller@gmail.com>
Cc: Sergey Organov <sorganov@gmail.com>,
	Git mailing list <git@vger.kernel.org>,
	Junio C Hamano <gitster@pobox.com>,
	Stefan Beller <sbeller@google.com>,
	Philip Oakley <philipoakley@iee.org>,
	Eric Sunshine <sunshine@sunshineco.com>,
	Phillip Wood <phillip.wood@dunelm.org.uk>,
	Igor Djordjevic <igor.d.djordjevic@gmail.com>,
	Johannes Sixt <j6t@kdbg.org>
Subject: Re: [PATCH v6 00/15] rebase -i: offer to recreate commit topology
Date: Fri, 13 Apr 2018 14:08:26 +0200 (DST)
Message-ID: <nycvar.QRO.7.76.6.1804131243010.65@ZVAVAG-6OXH6DA.rhebcr.pbec.zvpebfbsg.pbz> (raw)
In-Reply-To: <CA+P7+xrGMtbtquHohnWbfq1Fy6Smj=LAXnqM=_wXOLvHMU+F2A@mail.gmail.com>

Hi Jake,

On Thu, 12 Apr 2018, Jacob Keller wrote:

> On Thu, Apr 12, 2018 at 3:02 PM, Johannes Schindelin
> <Johannes.Schindelin@gmx.de> wrote:
> 
> > [... talking about nested merge conflicts ...]
> >
> > The only way out I can see is to implement some sort of "W merge" or
> > "chandelier merge" that can perform an N-way merge between one revision
> > and N-1 other revisions (each of the N-1 bringing its own merge base). I
> > call them "W" or "chandelier" because such a merge can be visualized by
> > the original merge commit being the center of a chandelier, and each arm
> > representing one of the N-1 merge heads with their own merge bases.
> >
> 
> I think this approach sounds reasonable.

... and it would incidentally also offer a saner way to do octopus merges
(so far, an octopus merge that causes merge conflicts causes... huge
pains, as it usually stops in the middle of everything, without a UI to
help with concluding the merge).

> > Similar to the 3-way merge we have implemented in xdiff/xmerge.c, this
> > "chandelier merge" would then generate the two diffs between merge base
> > and both merge heads, except not only one time, but N-1 times. It would
> > then iterate through all hunks ordered by file name and line range. Any
> > hunk without conflicting changes would be applied as-is, and the remaining
> > ones be turned into conflicts (handling those chandelier arms first where
> > both diffs' hunks look identical).
> >
> > Have I missed any simpler alternative?
> 
> I *think* this would work well if I understand it, but it's difficult
> to process without examples.

Well, I am fairly certain about the implementation details (it's been a
while since I contributed xdiff/xmerge.c, and if you ever want to hear the
horrible story how I wrote the initial version in a stopped train in the
middle of the night, just buy me a beer or three, my memory is fresh on
the "simultaneous walking" of the diff hunks).

So it goes somewhat like this. You have two diffs, and for the matter of
the discussion, let's just look at the hunk headers (with 0 context lines,
i.e. -U0):

diff base..HEAD
@@ -10,1 +10,2 @@
@@ -40,2 +41,0 @@

diff base..branch
@@ -8,4 +8,3 @@

So on one side of the merge, we changed line 10 (e.g. wrapping a long
line), and we removed lines 40 and 41.

In the branch we want to merge, lines 8--11 were edited (removing one
line).

The 3-way merge as implemented in xdiff/xmerge.c handles only one file,
and first uses the diff machinery to figure out the hunk headers of both
diffs, then iterates through both diffs. This is the `while (xscr1 &&
xscr2)` loop in `xdl_do_merge()`, and the "scr" stands for "script" as in
"edit script". In other words, `xscr1` refers to the current hunk in the
first diff, and `xscr2` to the one in the second diff.

Inside the loop, we look whether they overlap. If not, the one with the
smaller line numbers is "applied" and we iterate to the next hunk after
that.

If the hunks overlap, we have a look at the respective post images to see
whether both sides of the merge modified that part identically; if they
don't, we create a conflict (and later, we will try to reduce the conflict
by trimming identially-changed lines at both ends of the line range).

Lather, rinse & repeat.

Now, what I have in mind is that we will have not only two diffs' hunks to
look through, but (N-1)*2 (note that if N == 2, it is the exact same thing
as before).

Again, at each iteration, we look for the next hunk among all available
ones, then determine whether it overlaps with any other hunk. If it does
not, we apply it. If it does, we first look whether all overlapping hunks
agree on the post image and if they do: apply the change, otherwise create
a conflict.

How to present such conflicts to the user, though?

The worst case, I think, would be N diverging changes with N-1 agreeing on
a large part of the post image and the remaining post image being
completely different. Imagine, for example, that the original merge
contains a long function hi() that was renamed to greeting() in HEAD, but
replaced by a completely different implementation in the rebased
branch-to-merge. In such a case, this nested conflict would be most
intuitive, methinks:

	<<< intermediate merge
	<<<< HEAD
	greeting()
	====
	hi()
	>>>> original merge
	... /* original function body */
	===
	hi()
	... /* complete rewrite */
	>>> branch

But now that I look at it, it is still hard to parse. *Is* there any good
way to present this conflict?

And then there is the problem that our index really is only prepared for
*three* stages, but we would need N*2-1.

So maybe I am overthinking this and we should stick with the
implementation I have right now (try to merge HEAD and the original merge
first, then merge the rebased 2nd parent if there are no conflicts,
otherwise try the other way round), and simply come up with a *very good*
message to the unfortunate user who encounters this situation?

I am thinking about something along these lines:

	There were conflicts merging the original merge
		deadbee (Merge 'side-branch')
	with its rebased first parent
		b1ab1ab (Rename 'core()' to 'hi()')
	and its rebased second parent
		ceeceec (Call core() in the event loop)

	The intermediate merge(s) are available as
		abcdef6 (intermediate merge)

Maybe that is good enough? Then the user could always try to glean which
amendments in the original merge (if any) were responsible for the
conflicts, and maybe even try to recreate the merge and then apply the
amendments manually... or something else...

I could even imagine that we could come up with more clever fall-back
strategies, such as recreating the original merge with a regular
merge_trees() to see whether it resulted in the same tree, i.e. find out
whether there *were* amendments, and in that case simply recreate a new
merge from scratch.

At some point, though, I should stop spending so much time on something
that may not even happen all that much in practice, I guess... ;-)

Ciao,
Dscho

  reply index

Thread overview: 412+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-18 15:35 [PATCH 0/8] rebase -i: offer to recreate merge commits Johannes Schindelin
2018-01-18 15:35 ` [PATCH 1/8] sequencer: introduce new commands to reset the revision Johannes Schindelin
2018-01-18 16:25   ` Jacob Keller
2018-01-18 21:13     ` Johannes Schindelin
2018-01-18 21:21       ` Jacob Keller
2018-01-18 21:24     ` Philip Oakley
2018-01-18 21:28       ` Jacob Keller
2018-01-29 20:28       ` Johannes Schindelin
2018-01-22 21:25     ` Junio C Hamano
2018-01-29 22:00       ` Johannes Schindelin
2018-01-19  8:59   ` Eric Sunshine
2018-01-24 22:01     ` Junio C Hamano
2018-01-29 20:55       ` Johannes Schindelin
2018-01-29 20:50     ` Johannes Schindelin
2018-01-30  7:12       ` Eric Sunshine
2018-01-19 12:24   ` [PATCH 1/8] sequencer: introduce new commands to resettherevision Phillip Wood
2018-01-19 18:55     ` Phillip Wood
2018-01-19 18:59       ` Jacob Keller
2018-01-29 21:25         ` Johannes Schindelin
2018-01-29 21:29           ` Johannes Schindelin
2018-01-29 21:23     ` Johannes Schindelin
2018-01-18 15:35 ` [PATCH 2/8] sequencer: introduce the `merge` command Johannes Schindelin
2018-01-18 16:31   ` Jacob Keller
2018-01-18 21:22     ` Johannes Schindelin
2018-01-18 21:26       ` Jacob Keller
2018-01-19  9:54   ` Eric Sunshine
2018-01-19 14:45   ` Phillip Wood
2018-01-20  9:18     ` Jacob Keller
2018-01-29 21:41       ` Johannes Schindelin
2018-01-31 13:48         ` Johannes Schindelin
2018-01-31 17:58           ` Phillip Wood
2018-02-01  6:40           ` Jacob Keller
2018-01-22 22:12   ` Junio C Hamano
2018-01-29 22:15     ` Johannes Schindelin
2018-01-18 15:35 ` [PATCH 3/8] sequencer: fast-forward merge commits, if possible Johannes Schindelin
2018-01-19 14:53   ` Phillip Wood
2018-01-23 19:12     ` Junio C Hamano
2018-01-24 10:32       ` Phillip Wood
2018-01-24 18:51         ` Junio C Hamano
2018-01-29 21:47     ` Johannes Schindelin
2018-01-23 18:51   ` Junio C Hamano
2018-01-29 22:18     ` Johannes Schindelin
2018-01-18 15:35 ` [PATCH 4/8] rebase-helper --make-script: introduce a flag to recreate merges Johannes Schindelin
2018-01-18 21:39   ` Philip Oakley
2018-01-19 10:34   ` Eric Sunshine
2018-01-23 20:13     ` Junio C Hamano
2018-01-29 21:07       ` Johannes Schindelin
2018-01-29 21:05     ` Johannes Schindelin
2018-01-23 20:03   ` Junio C Hamano
2018-01-29 22:37     ` Johannes Schindelin
2018-01-18 15:35 ` [PATCH 5/8] rebase: introduce the --recreate-merges option Johannes Schindelin
2018-01-19 10:55   ` Eric Sunshine
2018-01-29 21:09     ` Johannes Schindelin
2018-01-23 20:22   ` Junio C Hamano
2018-02-10 19:31     ` Johannes Schindelin
2018-02-07  6:16   ` Sergey Organov
2018-02-07  7:26     ` Jacob Keller
2018-02-07  9:47       ` Sergey Organov
2018-02-07  7:27     ` Johannes Sixt
2018-02-07 17:36     ` Johannes Schindelin
2018-02-07 22:58       ` Øyvind Rønningstad
2018-02-07 23:31         ` Junio C Hamano
2018-02-08 12:34           ` Johannes Schindelin
2018-02-14  5:41             ` Sergey Organov
2018-02-09  6:11       ` Sergey Organov
2018-02-09  7:13         ` Johannes Sixt
2018-02-11 10:16           ` Jacob Keller
2018-02-12  7:38           ` Sergey Organov
2018-02-09  6:50   ` Sergey Organov
2018-02-10 23:06     ` Johannes Schindelin
2018-02-12  4:58       ` Sergey Organov
2018-02-12 20:21         ` Johannes Schindelin
2018-02-13  6:44           ` Sergey Organov
2018-02-15  1:08             ` Johannes Schindelin
2018-02-15  4:28               ` Sergey Organov
2018-02-15 16:51                 ` Johannes Schindelin
2018-02-12  5:22       ` Sergey Organov
2018-02-12 20:39         ` Johannes Schindelin
2018-02-13  4:39           ` Jacob Keller
2018-02-13  7:15             ` Sergey Organov
2018-02-14  1:35               ` Jacob Keller
2018-02-15  1:14                 ` Johannes Schindelin
2018-02-15  4:35                   ` Sergey Organov
2018-02-15 16:50                     ` Johannes Schindelin
2018-02-13  6:43           ` Sergey Organov
2018-02-15  1:40             ` Johannes Schindelin
2018-01-18 15:35 ` [PATCH 6/8] sequencer: handle autosquash and post-rewrite for merge commands Johannes Schindelin
2018-01-18 16:43   ` Jacob Keller
2018-01-18 21:27     ` Johannes Schindelin
2018-01-18 21:29       ` Jacob Keller
2018-01-23 20:27     ` Junio C Hamano
2018-01-18 15:36 ` [PATCH 7/8] pull: accept --rebase=recreate to recreate the branch topology Johannes Schindelin
2018-01-18 15:36 ` [PATCH 8/8] rebase -i: introduce --recreate-merges=no-rebase-cousins Johannes Schindelin
2018-01-18 22:00   ` Philip Oakley
2018-01-29 20:42     ` Johannes Schindelin
2018-01-20  1:09   ` Eric Sunshine
2018-01-18 16:49 ` [PATCH 0/8] rebase -i: offer to recreate merge commits Jacob Keller
2018-01-18 18:36 ` [PATCH 9, 10/8] interactive rebase feedback Stefan Beller
2018-01-18 18:36   ` [PATCH 9/8] [DO NOT APPLY, but squash?] git-rebase--interactive: clarify arguments Stefan Beller
2018-01-18 21:18     ` Jacob Keller
2018-01-18 21:36     ` Johannes Schindelin
2018-01-18 21:58       ` Stefan Beller
2018-01-19 20:30       ` Junio C Hamano
2018-01-20  9:14         ` Jacob Keller
2018-01-29 17:02           ` Johannes Schindelin
2018-01-18 18:36   ` [PATCH 10/8] [DO NOT APPLY, but improve?] rebase--interactive: introduce "stop" command Stefan Beller
2018-01-18 21:20     ` Jacob Keller
2018-01-18 22:08       ` Philip Oakley
2018-01-18 22:09         ` Jacob Keller
2018-01-18 22:00     ` Johannes Schindelin
2018-01-18 22:09       ` Stefan Beller
2018-01-19 20:25 ` [PATCH 0/8] rebase -i: offer to recreate merge commits Junio C Hamano
2018-01-29 21:53   ` Johannes Schindelin
2018-01-23 20:29 ` Junio C Hamano
2018-01-29 22:53   ` Johannes Schindelin
2018-01-29 22:54 ` [PATCH v2 00/10] " Johannes Schindelin
2018-01-29 22:54   ` [PATCH v2 01/10] git-rebase--interactive: clarify arguments Johannes Schindelin
2018-01-29 22:54   ` [PATCH v2 02/10] sequencer: introduce new commands to reset the revision Johannes Schindelin
2018-01-30  8:06     ` Eric Sunshine
2018-02-10 20:58       ` Johannes Schindelin
2018-01-30 20:17     ` Stefan Beller
2018-01-31 13:21       ` Johannes Schindelin
2018-01-31 18:02         ` [PATCH v2 02/10] sequencer: introduce new commands to reset therevision Phillip Wood
2018-02-10 21:49           ` Johannes Schindelin
2018-01-29 22:54   ` [PATCH v2 03/10] sequencer: introduce the `merge` command Johannes Schindelin
2018-01-29 22:54   ` [PATCH v2 04/10] sequencer: fast-forward merge commits, if possible Johannes Schindelin
2018-01-29 22:54   ` [PATCH v2 05/10] rebase-helper --make-script: introduce a flag to recreate merges Johannes Schindelin
2018-01-29 22:54   ` [PATCH v2 06/10] rebase: introduce the --recreate-merges option Johannes Schindelin
2018-01-29 22:54   ` [PATCH v2 07/10] sequencer: make refs generated by the `label` command worktree-local Johannes Schindelin
2018-01-29 22:55   ` [PATCH v2 08/10] sequencer: handle autosquash and post-rewrite for merge commands Johannes Schindelin
2018-01-29 22:55   ` [PATCH v2 09/10] pull: accept --rebase=recreate to recreate the branch topology Johannes Schindelin
2018-01-29 22:55   ` [PATCH v2 10/10] rebase -i: introduce --recreate-merges=[no-]rebase-cousins Johannes Schindelin
2018-01-30 18:47   ` [PATCH v2 00/10] rebase -i: offer to recreate merge commits Stefan Beller
2018-01-31 13:08     ` Johannes Schindelin
2018-01-30 21:36   ` Junio C Hamano
2018-01-31 13:29     ` Johannes Schindelin
2018-02-01  6:37       ` Jacob Keller
2018-02-11  0:09   ` [PATCH v3 00/12] " Johannes Schindelin
2018-02-11  0:10     ` [PATCH v3 01/12] sequencer: avoid using errno clobbered by rollback_lock_file() Johannes Schindelin
2018-02-11  0:10     ` [PATCH v3 02/12] sequencer: make rearrange_squash() a bit more obvious Johannes Schindelin
2018-02-11  0:10     ` [PATCH v3 03/12] git-rebase--interactive: clarify arguments Johannes Schindelin
2018-02-11  0:10     ` [PATCH v3 04/12] sequencer: introduce new commands to reset the revision Johannes Schindelin
2018-02-12 19:26       ` Eric Sunshine
2018-02-12 20:46         ` Johannes Schindelin
2018-02-11  0:10     ` [PATCH v3 05/12] sequencer: introduce the `merge` command Johannes Schindelin
2018-02-12  8:48       ` Eric Sunshine
2018-02-12 20:17         ` Johannes Schindelin
2018-02-11  0:10     ` [PATCH v3 06/12] sequencer: fast-forward merge commits, if possible Johannes Schindelin
2018-02-11  0:10     ` [PATCH v3 07/12] rebase-helper --make-script: introduce a flag to recreate merges Johannes Schindelin
2018-02-11  0:10     ` [PATCH v3 08/12] rebase: introduce the --recreate-merges option Johannes Schindelin
2018-02-11  0:10     ` [PATCH v3 09/12] sequencer: make refs generated by the `label` command worktree-local Johannes Schindelin
2018-02-11  0:10     ` [PATCH v3 10/12] sequencer: handle post-rewrite for merge commands Johannes Schindelin
2018-02-11  0:10     ` [PATCH v3 11/12] pull: accept --rebase=recreate to recreate the branch topology Johannes Schindelin
2018-02-11  0:10     ` [PATCH v3 12/12] rebase -i: introduce --recreate-merges=[no-]rebase-cousins Johannes Schindelin
2018-02-23 12:35     ` [PATCH v4 00/12] rebase -i: offer to recreate merge commits Johannes Schindelin
2018-02-23 12:35       ` [PATCH v4 01/12] sequencer: avoid using errno clobbered by rollback_lock_file() Johannes Schindelin
2018-02-23 12:36       ` [PATCH v4 02/12] sequencer: make rearrange_squash() a bit more obvious Johannes Schindelin
2018-02-23 12:36       ` [PATCH v4 03/12] git-rebase--interactive: clarify arguments Johannes Schindelin
2018-02-23 12:37       ` [PATCH v4 04/12] sequencer: introduce new commands to reset the revision Johannes Schindelin
2018-02-23 12:37       ` [PATCH v4 05/12] sequencer: introduce the `merge` command Johannes Schindelin
2018-02-23 12:37       ` [PATCH v4 06/12] sequencer: fast-forward merge commits, if possible Johannes Schindelin
2018-02-23 12:38       ` [PATCH v4 07/12] rebase-helper --make-script: introduce a flag to recreate merges Johannes Schindelin
2018-02-23 12:38       ` [PATCH v4 08/12] rebase: introduce the --recreate-merges option Johannes Schindelin
2018-02-23 12:38       ` [PATCH v4 09/12] sequencer: make refs generated by the `label` command worktree-local Johannes Schindelin
2018-02-23 12:39       ` [PATCH v4 10/12] sequencer: handle post-rewrite for merge commands Johannes Schindelin
2018-02-23 12:39       ` [PATCH v4 11/12] pull: accept --rebase=recreate to recreate the branch topology Johannes Schindelin
2018-02-23 12:39       ` [PATCH v4 12/12] rebase -i: introduce --recreate-merges=[no-]rebase-cousins Johannes Schindelin
2018-02-25 10:54       ` [PATCH v4 00/12] rebase -i: offer to recreate merge commits Jacob Keller
2018-02-26 20:49         ` Johannes Schindelin
2018-02-26 21:29     ` [PATCH v5 " Johannes Schindelin
2018-02-26 21:29       ` [PATCH v5 01/12] sequencer: avoid using errno clobbered by rollback_lock_file() Johannes Schindelin
2018-02-27 21:33         ` Martin Ågren
2018-03-02 20:33           ` Johannes Schindelin
2018-02-26 21:29       ` [PATCH v5 02/12] sequencer: make rearrange_squash() a bit more obvious Johannes Schindelin
2018-02-26 21:29       ` [PATCH v5 03/12] git-rebase--interactive: clarify arguments Johannes Schindelin
2018-02-26 21:29       ` [PATCH v5 04/12] sequencer: introduce new commands to reset the revision Johannes Schindelin
2018-02-26 21:29       ` [PATCH v5 05/12] sequencer: introduce the `merge` command Johannes Schindelin
2018-02-26 21:29       ` [PATCH v5 06/12] sequencer: fast-forward merge commits, if possible Johannes Schindelin
2018-02-26 21:29       ` [PATCH v5 07/12] rebase-helper --make-script: introduce a flag to recreate merges Johannes Schindelin
2018-02-26 21:29       ` [PATCH v5 08/12] rebase: introduce the --recreate-merges option Johannes Schindelin
2018-02-26 21:29       ` [PATCH v5 09/12] sequencer: make refs generated by the `label` command worktree-local Johannes Schindelin
2018-02-26 21:29       ` [PATCH v5 10/12] sequencer: handle post-rewrite for merge commands Johannes Schindelin
2018-02-26 21:29       ` [PATCH v5 11/12] pull: accept --rebase=recreate to recreate the branch topology Johannes Schindelin
2018-02-26 21:29       ` [PATCH v5 12/12] rebase -i: introduce --recreate-merges=[no-]rebase-cousins Johannes Schindelin
2018-03-06  4:02       ` [PATCH v5 00/12] rebase -i: offer to recreate merge commits Igor Djordjevic
2018-03-07 13:50         ` Johannes Schindelin
2018-04-10 12:29       ` [PATCH v6 00/15] rebase -i: offer to recreate commit topology Johannes Schindelin
2018-04-10 12:29         ` [PATCH v6 01/15] sequencer: avoid using errno clobbered by rollback_lock_file() Johannes Schindelin
2018-04-10 12:29         ` [PATCH v6 02/15] sequencer: make rearrange_squash() a bit more obvious Johannes Schindelin
2018-04-10 12:29         ` [PATCH v6 03/15] git-rebase--interactive: clarify arguments Johannes Schindelin
2018-04-10 12:29         ` [PATCH v6 04/15] sequencer: introduce new commands to reset the revision Johannes Schindelin
2018-04-11  6:17           ` Sergey Organov
2018-04-11 11:36             ` Johannes Schindelin
2018-04-11 16:07               ` Sergey Organov
2018-04-13 10:03           ` Phillip Wood
2018-04-15 17:17             ` Philip Oakley
2018-04-18 18:00               ` Phillip Wood
2018-04-10 12:29         ` [PATCH v6 05/15] sequencer: introduce the `merge` command Johannes Schindelin
2018-04-13 10:12           ` Phillip Wood
2018-04-13 17:57             ` Phillip Wood
2018-04-14  0:51               ` Johannes Schindelin
2018-04-18 18:04                 ` Phillip Wood
2018-04-19 12:03                 ` Johannes Schindelin
2018-04-10 12:29         ` [PATCH v6 06/15] sequencer: fast-forward `merge` commands, if possible Johannes Schindelin
2018-04-10 12:29         ` [PATCH v6 07/15] rebase-helper --make-script: introduce a flag to rebase merges Johannes Schindelin
2018-04-10 12:29         ` [PATCH v6 08/15] rebase: introduce the --rebase-merges option Johannes Schindelin
2018-04-10 12:30         ` [PATCH v6 09/15] rebase --rebase-merges: add test for --keep-empty Johannes Schindelin
2018-04-10 12:30         ` [PATCH v6 10/15] sequencer: make refs generated by the `label` command worktree-local Johannes Schindelin
2018-04-10 12:30         ` [PATCH v6 11/15] sequencer: handle post-rewrite for merge commands Johannes Schindelin
2018-04-10 12:30         ` [PATCH v6 12/15] rebase --rebase-merges: avoid "empty merges" Johannes Schindelin
2018-04-10 12:30         ` [PATCH v6 13/15] pull: accept --rebase=merges to recreate the branch topology Johannes Schindelin
2018-04-10 12:30         ` [PATCH v6 14/15] rebase -i: introduce --rebase-merges=[no-]rebase-cousins Johannes Schindelin
2018-04-12 11:30           ` Sergey Organov
2018-04-10 12:30         ` [PATCH v6 15/15] rebase -i --rebase-merges: add a section to the man page Johannes Schindelin
2018-04-10 18:49           ` Martin Ågren
2018-04-10 21:56             ` Johannes Schindelin
2018-04-11 15:35           ` Phillip Wood
2018-04-11 19:10             ` Eric Sunshine
2018-04-12  9:00               ` Johannes Schindelin
2018-04-13 15:21               ` Phillip Wood
2018-04-12  9:30             ` Johannes Schindelin
2018-04-12 18:29               ` Jacob Keller
2018-04-13 15:27               ` Phillip Wood
2018-04-12 11:52           ` Sergey Organov
2018-04-10 14:52         ` [PATCH v6 00/15] rebase -i: offer to recreate commit topology Sergey Organov
2018-04-10 22:11           ` Johannes Schindelin
2018-04-11  4:54             ` Sergey Organov
2018-04-11 11:28               ` Johannes Schindelin
2018-04-11 13:13                 ` Sergey Organov
2018-04-11 20:40                   ` Johannes Schindelin
2018-04-12  8:34                     ` Sergey Organov
2018-04-12 12:31                       ` Johannes Schindelin
2018-04-11 23:52                   ` Jacob Keller
2018-04-12  5:42                     ` Sergey Organov
2018-04-12 17:03                       ` Jacob Keller
2018-04-12 22:02                         ` Johannes Schindelin
2018-04-12 22:14                           ` Jacob Keller
2018-04-13 12:08                             ` Johannes Schindelin [this message]
2018-04-13 15:43                           ` Phillip Wood
2018-04-13 23:48                             ` Johannes Schindelin
2018-04-19  4:24                               ` Sergey Organov
2018-04-19  8:23                                 ` Jacob Keller
2018-04-19 11:28                                   ` Sergey Organov
2018-04-20  8:26                                   ` Johannes Schindelin
2018-04-20 20:39                                     ` Jacob Keller
2018-04-18  5:23                         ` Sergey Organov
2018-04-19 12:12         ` [PATCH v7 00/17] " Johannes Schindelin
2018-04-19 12:15           ` [PATCH v7 01/17] sequencer: avoid using errno clobbered by rollback_lock_file() Johannes Schindelin
2018-04-19 12:18           ` [PATCH v7 02/17] sequencer: make rearrange_squash() a bit more obvious Johannes Schindelin
2018-04-19 12:19           ` [PATCH v7 03/17] sequencer: refactor how original todo list lines are accessed Johannes Schindelin
2018-04-19 12:19           ` [PATCH v7 04/17] sequencer: offer helpful advice when a command was rescheduled Johannes Schindelin
2018-04-19 12:20           ` [PATCH v7 05/17] git-rebase--interactive: clarify arguments Johannes Schindelin
2018-04-19 12:20           ` [PATCH v7 06/17] sequencer: introduce new commands to reset the revision Johannes Schindelin
2018-04-20  9:39             ` Phillip Wood
2018-04-20 22:39               ` Johannes Schindelin
2018-04-19 12:20           ` [PATCH v7 07/17] # This is a combination of 2 commits. # This is the 1st commit message: Johannes Schindelin
2018-04-20  5:38             ` Eric Sunshine
2018-04-20  8:34               ` Johannes Schindelin
2018-04-20 21:06               ` [PATCH v2 0/4] rebase -i: avoid stale "# This is a combination of" in commit messages Johannes Schindelin
2018-04-20 21:07                 ` [PATCH v2 1/4] rebase -i: demonstrate bugs with fixup!/squash! " Johannes Schindelin
2018-04-20 21:07                 ` [PATCH v2 2/4] rebase -i: Handle "combination of <n> commits" with GETTEXT_POISON Johannes Schindelin
2018-04-20 21:16                   ` Stefan Beller
2018-04-21  7:20                     ` Johannes Schindelin
2018-04-20 21:07                 ` [PATCH v2 3/4] sequencer: leave a tell-tale when a fixup/squash failed Johannes Schindelin
2018-04-20 21:25                   ` Stefan Beller
2018-04-21  7:24                     ` Johannes Schindelin
2018-04-20 21:08                 ` [PATCH v2 4/4] rebase --skip: clean up commit message after a failed fixup/squash Johannes Schindelin
2018-04-21  7:34               ` [PATCH v3 0/4] rebase -i: avoid stale "# This is a combination of" in commit messages Johannes Schindelin
2018-04-21  7:35                 ` [PATCH v3 1/4] rebase -i: demonstrate bugs with fixup!/squash! " Johannes Schindelin
2018-04-21  7:35                 ` [PATCH v3 2/4] rebase -i: Handle "combination of <n> commits" with GETTEXT_POISON Johannes Schindelin
2018-04-21  7:35                 ` [PATCH v3 3/4] sequencer: leave a tell-tale when a fixup/squash failed Johannes Schindelin
2018-04-21  7:39                 ` [PATCH v3 4/4] rebase --skip: clean up commit message after a failed fixup/squash Johannes Schindelin
2018-04-23 18:11                 ` [PATCH v3 0/4] rebase -i: avoid stale "# This is a combination of" in commit messages Stefan Beller
2018-04-23 19:50                   ` [PATCH v3 0/4] rebase -i: avoid stale "# This is a combinationof" " Phillip Wood
2018-04-25 12:48                     ` Johannes Schindelin
2018-04-25 17:09                       ` Phillip Wood
2018-04-26  9:51                         ` Johannes Schindelin
2018-04-26 10:52                           ` Phillip Wood
2018-04-24  1:28                 ` [PATCH v3 0/4] rebase -i: avoid stale "# This is a combination of" " Junio C Hamano
2018-04-27 20:48               ` [PATCH v4 " Johannes Schindelin
2018-04-27 20:48                 ` [PATCH v4 1/4] rebase -i: demonstrate bugs with fixup!/squash! " Johannes Schindelin
2018-04-27 20:48                 ` [PATCH v4 2/4] rebase -i: Handle "combination of <n> commits" with GETTEXT_POISON Johannes Schindelin
2018-04-27 20:48                 ` [PATCH v4 3/4] sequencer: always commit without editing when asked for Johannes Schindelin
2018-04-27 20:48                 ` [PATCH v4 4/4] rebase --skip: clean up commit message after a failed fixup/squash Johannes Schindelin
2018-04-27 21:28                   ` Stefan Beller
2018-04-28 13:05                     ` Johannes Schindelin
2018-05-06 17:50                   ` Phillip Wood
2018-05-09 10:50                     ` Phillip Wood
2018-10-02 13:50                     ` Johannes Schindelin
2018-10-08 13:37                       ` Phillip Wood
2018-04-19 12:21           ` [PATCH v7 08/17] sequencer: fast-forward `merge` commands, if possible Johannes Schindelin
2018-04-19 12:21           ` [PATCH v7 09/17] rebase-helper --make-script: introduce a flag to rebase merges Johannes Schindelin
2018-04-19 12:21           ` [PATCH v7 10/17] rebase: introduce the --rebase-merges option Johannes Schindelin
2018-04-19 12:22           ` [PATCH v7 11/17] rebase --rebase-merges: add test for --keep-empty Johannes Schindelin
2018-04-19 12:22           ` [PATCH v7 12/17] sequencer: make refs generated by the `label` command worktree-local Johannes Schindelin
2018-04-19 12:23           ` [PATCH v7 13/17] sequencer: handle post-rewrite for merge commands Johannes Schindelin
2018-04-19 12:23           ` [PATCH v7 14/17] rebase --rebase-merges: avoid "empty merges" Johannes Schindelin
2018-04-19 12:23           ` [PATCH v7 15/17] pull: accept --rebase=merges to recreate the branch topology Johannes Schindelin
2018-04-19 12:24           ` [PATCH v7 16/17] rebase -i: introduce --rebase-merges=[no-]rebase-cousins Johannes Schindelin
2018-04-19 12:24           ` [PATCH v7 17/17] rebase -i --rebase-merges: add a section to the man page Johannes Schindelin
2018-04-21 10:29           ` [PATCH v8 00/16] rebase -i: offer to recreate commit topology by rebasing merges Johannes Schindelin
2018-04-21 10:30             ` [PATCH v8 01/16] sequencer: avoid using errno clobbered by rollback_lock_file() Johannes Schindelin
2018-04-21 10:30             ` [PATCH v8 02/16] sequencer: make rearrange_squash() a bit more obvious Johannes Schindelin
2018-04-21 10:31             ` [PATCH v8 03/16] sequencer: refactor how original todo list lines are accessed Johannes Schindelin
2018-04-21 10:31             ` [PATCH v8 04/16] sequencer: offer helpful advice when a command was rescheduled Johannes Schindelin
2018-04-21 10:32             ` [PATCH v8 05/16] git-rebase--interactive: clarify arguments Johannes Schindelin
2018-04-21 10:33             ` [PATCH v8 06/16] sequencer: introduce the `merge` command Johannes Schindelin
2018-04-21 15:56               ` Phillip Wood
2018-04-22 17:17                 ` Phillip Wood
2018-04-23 12:22                   ` Johannes Schindelin
2018-04-23 12:20                 ` Johannes Schindelin
2018-04-23 15:54                   ` Phillip Wood
2018-04-24  5:13                     ` Martin Ågren
2018-04-24  5:13                       ` [PATCH 1/2] merge: setup `opts` later in `checkout_fast_forward()` Martin Ågren
2018-04-24  6:20                         ` Jacob Keller
2018-04-24  9:36                           ` Martin Ågren
2018-04-24 11:30                             ` Johannes Schindelin
2018-04-24  5:13                       ` [PATCH 2/2] unpack_trees_options: free messages when done Martin Ågren
2018-04-24 16:29                         ` Elijah Newren
2018-04-28 11:32                           ` Martin Ågren
2018-04-28 12:30                             ` Johannes Schindelin
2018-04-28 20:56                             ` Elijah Newren
2018-05-16 14:32                             ` Elijah Newren
2018-05-16 16:30                               ` [PATCH v2 0/3] " Martin Ågren
2018-05-16 16:30                                 ` [PATCH v2 1/3] merge: setup `opts` later in `checkout_fast_forward()` Martin Ågren
2018-05-16 16:41                                   ` Stefan Beller
2018-05-16 19:29                                     ` Martin Ågren
2018-05-16 21:21                                       ` Jacob Keller
2018-05-16 21:20                                     ` Jacob Keller
2018-05-17 21:48                                   ` Junio C Hamano
2018-05-18  1:59                                     ` Jacob Keller
2018-05-16 16:30                                 ` [PATCH v2 2/3] merge-recursive: provide pair of `unpack_trees_{start,finish}()` Martin Ågren
2018-05-16 16:31                                 ` [PATCH v2 3/3] unpack_trees_options: free messages when done Martin Ågren
2018-05-17 22:10                                   ` Junio C Hamano
2018-05-18  5:08                                     ` Martin Ågren
2018-05-18 21:23                                       ` [PATCH v3 0/3] " Martin Ågren
2018-05-18 21:23                                         ` [PATCH v3 1/3] merge: setup `opts` later in `checkout_fast_forward()` Martin Ågren
2018-05-18 21:23                                         ` [PATCH v3 2/3] merge-recursive: provide pair of `unpack_trees_{start,finish}()` Martin Ågren
2018-05-18 21:23                                         ` [PATCH v3 3/3] unpack_trees_options: free messages when done Martin Ågren
2018-05-18 21:33                                           ` Jeff King
2018-05-18 22:30                                             ` Elijah Newren
2018-05-19  1:02                                               ` Jeff King
2018-05-19  6:13                                                 ` Martin Ågren
2018-05-20 10:17                                                   ` [PATCH v4 0/4] " Martin Ågren
2018-05-20 10:17                                                     ` [PATCH v4 1/4] merge: setup `opts` later in `checkout_fast_forward()` Martin Ågren
2018-05-20 10:17                                                     ` [PATCH v4 2/4] merge-recursive: provide pair of `unpack_trees_{start,finish}()` Martin Ågren
2018-05-20 10:17                                                     ` [PATCH v4 3/4] string-list: provide `string_list_appendf()` Martin Ågren
2018-05-20 19:12                                                       ` Jacob Keller
2018-05-21  0:01                                                         ` Re*: " Junio C Hamano
2018-05-21  0:25                                                           ` Junio C Hamano
2018-05-21  2:39                                                             ` Jeff King
2018-05-21 14:54                                                             ` [PATCH v5 0/4] unpack_trees_options: free messages when done Martin Ågren
2018-05-21 14:54                                                               ` [PATCH v5 1/4] merge: setup `opts` later in `checkout_fast_forward()` Martin Ågren
2018-05-21 14:54                                                               ` [PATCH v5 2/4] merge-recursive: provide pair of `unpack_trees_{start,finish}()` Martin Ågren
2018-05-21 14:54                                                               ` [PATCH v5 3/4] argv-array: return the pushed string from argv_push*() Martin Ågren
2018-05-21 14:54                                                               ` [PATCH v5 4/4] unpack_trees_options: free messages when done Martin Ågren
2018-05-21 21:38                                                               ` [PATCH v5 0/4] " Jeff King
2018-05-22  2:46                                                               ` Junio C Hamano
2018-05-22  2:54                                                                 ` Junio C Hamano
2018-05-22 11:11                                                                   ` Martin Ågren
2018-05-23  0:48                                                                     ` Junio C Hamano
2018-05-21  2:38                                                           ` Re*: [PATCH v4 3/4] string-list: provide `string_list_appendf()` Jeff King
2018-05-20 10:17                                                     ` [PATCH v4 4/4] unpack_trees_options: free messages when done Martin Ågren
2018-05-16 21:54                                 ` [PATCH v2 0/3] " Elijah Newren
2018-05-17 12:09                                   ` Ben Peart
2018-04-24  8:22                       ` [PATCH v8 06/16] sequencer: introduce the `merge` command Johannes Schindelin
2018-04-22 12:01               ` Philip Oakley
2018-04-23 12:03                 ` Johannes Schindelin
2018-04-23 20:34                   ` Philip Oakley
2018-04-24  8:11                     ` Johannes Schindelin
2018-04-24 19:41                       ` Philip Oakley
2018-04-22 13:55               ` Philip Oakley
2018-04-21 10:33             ` [PATCH v8 07/16] sequencer: fast-forward `merge` commands, if possible Johannes Schindelin
2018-04-21 10:34             ` [PATCH v8 08/16] rebase-helper --make-script: introduce a flag to rebase merges Johannes Schindelin
2018-04-22 13:42               ` Philip Oakley
2018-04-24  8:33                 ` Johannes Schindelin
2018-04-21 10:34             ` [PATCH v8 09/16] rebase: introduce the --rebase-merges option Johannes Schindelin
2018-04-22 14:15               ` Philip Oakley
2018-04-24  5:01                 ` Junio C Hamano
2018-04-24  9:03                   ` Johannes Schindelin
2018-04-24  8:40                 ` Johannes Schindelin
2018-04-22 14:37               ` Philip Oakley
2018-04-24 10:52                 ` Johannes Schindelin
2018-04-21 10:35             ` [PATCH v8 10/16] rebase --rebase-merges: add test for --keep-empty Johannes Schindelin
2018-04-21 10:43             ` [PATCH v8 11/16] sequencer: make refs generated by the `label` command worktree-local Johannes Schindelin
2018-04-21 10:46             ` [PATCH v8 12/16] sequencer: handle post-rewrite for merge commands Johannes Schindelin
2018-04-21 10:47             ` [PATCH v8 13/16] rebase --rebase-merges: avoid "empty merges" Johannes Schindelin
2018-04-21 10:49             ` [PATCH v8 14/16] pull: accept --rebase=merges to recreate the branch topology Johannes Schindelin
2018-04-21 10:57             ` [PATCH v8 15/16] rebase -i: introduce --rebase-merges=[no-]rebase-cousins Johannes Schindelin
2018-04-21 11:09             ` [PATCH v8 16/16] rebase -i --rebase-merges: add a section to the man page Johannes Schindelin
2018-04-25 12:28             ` [PATCH v9 00/17] rebase -i: offer to recreate commit topology by rebasing merges Johannes Schindelin
2018-04-25 12:28               ` [PATCH v9 01/17] sequencer: avoid using errno clobbered by rollback_lock_file() Johannes Schindelin
2018-04-25 12:28               ` [PATCH v9 02/17] sequencer: make rearrange_squash() a bit more obvious Johannes Schindelin
2018-04-25 12:28               ` [PATCH v9 03/17] sequencer: refactor how original todo list lines are accessed Johannes Schindelin
2018-04-25 12:28               ` [PATCH v9 04/17] sequencer: offer helpful advice when a command was rescheduled Johannes Schindelin
2018-04-25 12:28               ` [PATCH v9 05/17] git-rebase--interactive: clarify arguments Johannes Schindelin
2018-04-25 12:28               ` [PATCH v9 06/17] sequencer: introduce new commands to reset the revision Johannes Schindelin
2018-04-25 12:28               ` [PATCH v9 07/17] sequencer: introduce the `merge` command Johannes Schindelin
2018-04-25 12:28               ` [PATCH v9 08/17] sequencer: fast-forward `merge` commands, if possible Johannes Schindelin
2018-04-25 12:29               ` [PATCH v9 09/17] rebase-helper --make-script: introduce a flag to rebase merges Johannes Schindelin
2018-04-25 12:29               ` [PATCH v9 10/17] rebase: introduce the --rebase-merges option Johannes Schindelin
2018-04-25 12:29               ` [PATCH v9 11/17] rebase --rebase-merges: add test for --keep-empty Johannes Schindelin
2018-04-25 12:29               ` [PATCH v9 12/17] sequencer: make refs generated by the `label` command worktree-local Johannes Schindelin
2018-04-25 12:29               ` [PATCH v9 13/17] sequencer: handle post-rewrite for merge commands Johannes Schindelin
2018-04-25 12:29               ` [PATCH v9 14/17] rebase --rebase-merges: avoid "empty merges" Johannes Schindelin
2018-04-25 12:29               ` [PATCH v9 15/17] pull: accept --rebase=merges to recreate the branch topology Johannes Schindelin
2018-04-25 12:29               ` [PATCH v9 16/17] rebase -i: introduce --rebase-merges=[no-]rebase-cousins Johannes Schindelin
2018-04-25 12:29               ` [PATCH v9 17/17] rebase -i --rebase-merges: add a section to the man page Johannes Schindelin
2018-04-26  3:51               ` [PATCH v9 00/17] rebase -i: offer to recreate commit topology by rebasing merges Junio C Hamano
2018-04-26  6:06                 ` Junio C Hamano
2018-05-25 14:19               ` Sergey Organov
2018-05-25 15:44                 ` Sergey Organov

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