From: Fredrik Kuivinen <freku045@student.liu.se>
To: Daniel Barkalow <barkalow@iabervon.org>
Cc: Fredrik Kuivinen <freku045@student.liu.se>,
git@vger.kernel.org, junkio@cox.net
Subject: Re: [PATCH 0/2] A new merge algorithm, take 3
Date: Thu, 8 Sep 2005 08:06:51 +0200 [thread overview]
Message-ID: <20050908060651.GA22734@c165.ib.student.liu.se> (raw)
In-Reply-To: <Pine.LNX.4.63.0509071409470.23242@iabervon.org>
On Wed, Sep 07, 2005 at 02:33:42PM -0400, Daniel Barkalow wrote:
> On Wed, 7 Sep 2005, Fredrik Kuivinen wrote:
>
> > Of the 500 merge commits that currently exists in the kernel
> > repository 19 produces non-clean merges with git-merge-script. The
> > four merge cases listed in
> > <20050827014009.GB18880@c165.ib.student.liu.se> are cleanly merged by
> > git-merge-script. Every merge commit which is cleanly merged by
> > git-resolve-script is also cleanly merged by git-merge-script,
> > furthermore the results are identical. There are currently two merges
> > in the kernel repository which are not cleanly merged by
> > git-resolve-script but are cleanly merged by git-merge-script.
>
> If you use my read-tree and change git-resolve-script to pass all of the
> ancestors to it, how does it do? I expect you'll still be slightly ahead,
> because we don't (yet) have content merge with multiple ancestors. You
> should also check the merge that Tony Luck reported, which undid a revert,
> as well as the one that Len Brown reported around the same time which had
> similar problems. I think maintainer trees are a much better test for a
> merge algorithm, because the kernel repository is relatively linear, while
> maintainers tend more to merge things back and forth.
Junio tested some of the multiple common ancestor cases with your
version of read-tree and reported his results in
<7virxeycod.fsf@assigned-by-dhcp.cox.net>.
The two cases my algorithm merges cleanly and git-resolve-script do
not merge cleanly are 0e396ee43e445cb7c215a98da4e76d0ce354d9d7 and
0c168775709faa74c1b87f1e61046e0c51ade7f3. Both of them have two common
ancestors. The second one have, as far as I know, not been tested with
your read-tree.
The merge cases reported by Tony Luck and Len Brown are both cleanly
merged by my code.
You are probably right about the maintainer trees. I should have a
look at some of them. Do you know any specific repositories with
interesting merge cases?
- Fredrik
next prev parent reply other threads:[~2005-09-08 6:07 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-07 16:47 [PATCH 0/2] A new merge algorithm, take 3 Fredrik Kuivinen
2005-09-07 16:50 ` [PATCH 1/2] Add '-i' flag to read-tree to make it ignore whats in the working directory Fredrik Kuivinen
2005-09-11 2:54 ` Unified merge driver pushed out to "master" branch Junio C Hamano
2005-09-11 21:05 ` Fredrik Kuivinen
2005-09-12 1:23 ` Junio C Hamano
2005-09-14 5:56 ` Another merge test case from the kernel tree Junio C Hamano
2005-09-14 16:11 ` Daniel Barkalow
2005-09-14 16:30 ` Junio C Hamano
2005-09-14 17:42 ` Fredrik Kuivinen
2005-09-14 17:51 ` Junio C Hamano
2005-09-15 0:47 ` Yet another set of merge test cases " Junio C Hamano
2005-09-19 16:13 ` Fredrik Kuivinen
2005-09-20 1:53 ` Junio C Hamano
2005-09-20 5:50 ` Fredrik Kuivinen
2005-09-07 16:51 ` [PATCH 2/2] A new merge algorithm Fredrik Kuivinen
2005-09-07 18:33 ` [PATCH 0/2] A new merge algorithm, take 3 Daniel Barkalow
2005-09-08 6:06 ` Fredrik Kuivinen [this message]
2005-09-08 15:27 ` Daniel Barkalow
2005-09-08 20:05 ` Fredrik Kuivinen
2005-09-08 21:27 ` Daniel Barkalow
2005-09-07 18:36 ` Junio C Hamano
[not found] ` <431F34FF.5050301@citi.umich.edu>
[not found] ` <7vvf1cz64l.fsf@assigned-by-dhcp.cox.net>
2005-09-08 15:06 ` Chuck Lever
2005-09-08 16:51 ` Junio C Hamano
2005-09-08 17:19 ` Linus Torvalds
2005-09-08 17:51 ` Junio C Hamano
2005-09-08 18:16 ` Chuck Lever
2005-09-08 18:35 ` Linus Torvalds
2005-09-08 18:58 ` Chuck Lever
2005-09-08 20:59 ` Linus Torvalds
2005-09-09 7:44 ` [RFH] Merge driver Junio C Hamano
2005-09-09 16:05 ` Daniel Barkalow
2005-09-09 16:43 ` Junio C Hamano
2005-09-09 17:25 ` Daniel Barkalow
2005-09-11 4:58 ` Junio C Hamano
2005-09-12 21:08 ` Fredrik Kuivinen
2005-09-12 21:16 ` Junio C Hamano
2005-09-13 20:33 ` Fredrik Kuivinen
2005-09-13 20:46 ` Junio C Hamano
2005-09-08 20:54 ` [PATCH 0/2] A new merge algorithm, take 3 Junio C Hamano
2005-09-08 21:23 ` A Large Angry SCM
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