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From: Elijah Newren <newren@gmail.com>
To: Git Mailing List <git@vger.kernel.org>
Cc: Stefan Beller <sbeller@google.com>,
	Junio C Hamano <gitster@pobox.com>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Elijah Newren <newren@gmail.com>
Subject: Re: [PATCH v10 00/36] Add directory rename detection to git
Date: Mon, 23 Apr 2018 10:28:23 -0700	[thread overview]
Message-ID: <CABPp-BHMt1Hjr8A_wkxvSExV9ALgG5032vV5uEE2-HtpYuA9QQ@mail.gmail.com> (raw)
In-Reply-To: <20180419175823.7946-1-newren@gmail.com>

On Thu, Apr 19, 2018 at 10:57 AM, Elijah Newren <newren@gmail.com> wrote:
> Additional testing:
>
>   * I've re-merged all ~13k merge commits in git.git with both
>     git-2.17.0 and this version of git, comparing the results to each
>     other in detail.  (Including stdout & stderr, as well as the output
>     of subsequent commands like `git status`, `git ls-files -s`, `git
>     diff -M`, `git diff -M --staged`).  The only differences were in 23
>     merges of either git-gui or gitk which involved directory renames
>     (e.g. git-2.17.0's merge would result in files like 'lib/tools.tcl'
>     or 'po/ru.po' instead of the expected 'git-gui/lib/tools.tcl' or
>     'gitk-git/po/ru.po')
>
>   * I'm trying to do the same with linux.git, but it looks like that will
>     take nearly a week to complete...

Results after restarting[1] and throwing some big hardware at it to
get faster completion:

Out of 53288 merge commits with exactly two parents in linux.git:
  - 48491 merged identically
  - 4737 merged the same other than a few different "Auto-merging
    <filename>" output lines (as expected due to patch 35/36)
  - 53 merged the same other than different "Checking out files: ..."
    output (I just did a plain merge; no flags like --no-progress)
  - the remaining 7 commits had non-trivial merge differences, all
    attributable to directory rename detection kicking in

So, it looks good to me.  If anyone has suggestions for other testing
to do, let me know.

[1] Restarted so it could include my unpack_trees fix (from
Message-Id20180421193736.12722-1-newren@gmail.com) plus a couple minor
fixup commits (fixing some testcase nits and a comment typo).

  parent reply	other threads:[~2018-04-23 17:28 UTC|newest]

Thread overview: 78+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-19 17:57 [PATCH v10 00/36] Add directory rename detection to git Elijah Newren
2018-04-19 17:57 ` [PATCH v10 01/36] directory rename detection: basic testcases Elijah Newren
2018-04-19 17:57 ` [PATCH v10 02/36] directory rename detection: directory splitting testcases Elijah Newren
2018-04-19 17:57 ` [PATCH v10 03/36] directory rename detection: testcases to avoid taking detection too far Elijah Newren
2018-04-19 17:57 ` [PATCH v10 04/36] directory rename detection: partially renamed directory testcase/discussion Elijah Newren
2018-04-19 17:57 ` [PATCH v10 05/36] directory rename detection: files/directories in the way of some renames Elijah Newren
2018-04-19 17:57 ` [PATCH v10 06/36] directory rename detection: testcases checking which side did the rename Elijah Newren
2018-04-19 17:57 ` [PATCH v10 07/36] directory rename detection: more involved edge/corner testcases Elijah Newren
2018-04-19 17:57 ` [PATCH v10 08/36] directory rename detection: testcases exploring possibly suboptimal merges Elijah Newren
2018-04-19 17:57 ` [PATCH v10 09/36] directory rename detection: miscellaneous testcases to complete coverage Elijah Newren
2018-04-19 17:57 ` [PATCH v10 10/36] directory rename detection: tests for handling overwriting untracked files Elijah Newren
2018-04-19 17:57 ` [PATCH v10 11/36] directory rename detection: tests for handling overwriting dirty files Elijah Newren
2018-04-19 17:57 ` [PATCH v10 12/36] merge-recursive: move the get_renames() function Elijah Newren
2018-04-19 17:58 ` [PATCH v10 13/36] merge-recursive: introduce new functions to handle rename logic Elijah Newren
2018-04-19 17:58 ` [PATCH v10 14/36] merge-recursive: fix leaks of allocated renames and diff_filepairs Elijah Newren
2018-04-19 17:58 ` [PATCH v10 15/36] merge-recursive: make !o->detect_rename codepath more obvious Elijah Newren
2018-04-19 17:58 ` [PATCH v10 16/36] merge-recursive: split out code for determining diff_filepairs Elijah Newren
2018-04-19 17:58 ` [PATCH v10 17/36] merge-recursive: make a helper function for cleanup for handle_renames Elijah Newren
2018-04-19 17:58 ` [PATCH v10 18/36] merge-recursive: add get_directory_renames() Elijah Newren
2018-05-06 23:41   ` SZEDER Gábor
2018-05-07 15:45     ` [PATCH] fixup! " Elijah Newren
2019-10-09 20:38   ` [PATCH v10 18/36] " Johannes Schindelin
2019-10-11 20:02     ` Elijah Newren
2019-10-12 19:23       ` Johannes Schindelin
2018-04-19 17:58 ` [PATCH v10 19/36] merge-recursive: check for directory level conflicts Elijah Newren
2018-04-19 17:58 ` [PATCH v10 20/36] merge-recursive: add computation of collisions due to dir rename & merging Elijah Newren
2018-04-19 17:58 ` [PATCH v10 21/36] merge-recursive: check for file level conflicts then get new name Elijah Newren
2018-04-19 17:58 ` [PATCH v10 22/36] merge-recursive: when comparing files, don't include trees Elijah Newren
2018-04-19 17:58 ` [PATCH v10 23/36] merge-recursive: apply necessary modifications for directory renames Elijah Newren
2018-04-19 17:58 ` [PATCH v10 24/36] merge-recursive: avoid clobbering untracked files with " Elijah Newren
2018-04-19 17:58 ` [PATCH v10 25/36] merge-recursive: fix overwriting dirty files involved in renames Elijah Newren
2018-04-19 20:48   ` Martin Ågren
2018-04-19 20:54     ` Martin Ågren
2018-04-19 21:06     ` Elijah Newren
2018-04-19 17:58 ` [PATCH v10 26/36] merge-recursive: fix remaining directory rename + dirty overwrite cases Elijah Newren
2018-04-19 17:58 ` [PATCH v10 27/36] directory rename detection: new testcases showcasing a pair of bugs Elijah Newren
2018-04-19 17:58 ` [PATCH v10 28/36] merge-recursive: avoid spurious rename/rename conflict from dir renames Elijah Newren
2018-04-19 17:58 ` [PATCH v10 29/36] merge-recursive: improve add_cacheinfo error handling Elijah Newren
2018-04-19 17:58 ` [PATCH v10 30/36] merge-recursive: move more is_dirty handling to merge_content Elijah Newren
2018-04-19 17:58 ` [PATCH v10 31/36] merge-recursive: avoid triggering add_cacheinfo error with dirty mod Elijah Newren
2018-04-19 17:58 ` [PATCH v10 32/36] t6046: testcases checking whether updates can be skipped in a merge Elijah Newren
2018-04-19 20:26   ` SZEDER Gábor
2018-04-19 20:55     ` Elijah Newren
2018-04-19 17:58 ` [PATCH v10 33/36] merge-recursive: fix was_tracked() to quit lying with some renamed paths Elijah Newren
2018-04-19 20:39   ` Martin Ågren
2018-04-19 20:54     ` Elijah Newren
2018-04-20 12:23   ` SZEDER Gábor
2018-04-20 15:23     ` Elijah Newren
2018-04-21 19:37     ` [RFC PATCH v10 32.5/36] unpack_trees: fix memory corruption with split_index when src != dst Elijah Newren
2018-04-21 20:13       ` Elijah Newren
2018-04-22 12:38       ` Duy Nguyen
2018-04-23 17:09         ` Elijah Newren
2018-04-23 17:37           ` Duy Nguyen
2018-04-23 18:05             ` Elijah Newren
2018-04-24  0:24               ` [PATCH v2] unpack_trees: fix breakage when o->src_index != o->dst_index Elijah Newren
2018-04-24  1:51                 ` Junio C Hamano
2018-04-24  3:05                 ` Junio C Hamano
2018-04-24  6:50                   ` [PATCH v3] " Elijah Newren
2018-04-29 18:05                     ` Duy Nguyen
2018-04-29 20:53                       ` Johannes Schindelin
2018-04-30 14:42                         ` Duy Nguyen
2018-04-30 14:45                           ` Duy Nguyen
2018-04-30 16:19                             ` Elijah Newren
2018-04-30 16:29                               ` Duy Nguyen
2018-04-19 17:58 ` [PATCH v10 34/36] merge-recursive: fix remainder of was_dirty() to use original index Elijah Newren
2018-04-19 17:58 ` [PATCH v10 35/36] merge-recursive: make "Auto-merging" comment show for other merges Elijah Newren
2018-04-19 17:58 ` [PATCH v10 36/36] merge-recursive: fix check for skipability of working tree updates Elijah Newren
2018-04-19 18:35 ` [PATCH v10 00/36] Add directory rename detection to git Elijah Newren
2018-04-19 18:41   ` Stefan Beller
2018-04-19 19:54     ` Derrick Stolee
2018-04-19 20:22   ` Elijah Newren
2018-04-20  3:05   ` Junio C Hamano
2018-04-23 17:50     ` Elijah Newren
2018-04-24 20:20     ` [PATCH v10 1/2] fixup! merge-recursive: fix was_tracked() to quit lying with some renamed paths Elijah Newren
2018-04-24 20:21       ` [PATCH v10 2/2] fixup! t6046: testcases checking whether updates can be skipped in a merge Elijah Newren
2018-04-23 17:28 ` Elijah Newren [this message]
2018-04-23 23:46   ` [PATCH v10 00/36] Add directory rename detection to git Junio C Hamano
2018-04-24  0:15     ` Elijah Newren

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