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From: Stefan Beller <sbeller@google.com>
To: Elijah Newren <newren@gmail.com>
Cc: git <git@vger.kernel.org>, Junio C Hamano <gitster@pobox.com>
Subject: Re: [PATCH v3 11/33] directory rename detection: testcases exploring possibly suboptimal merges
Date: Wed, 22 Nov 2017 10:29:20 -0800	[thread overview]
Message-ID: <CAGZ79kbMuxnToLazoVh6sx5ujB2Hh+eUqVy9j3dN6MnnJiZ-qQ@mail.gmail.com> (raw)
In-Reply-To: <20171121080059.32304-12-newren@gmail.com>

> +# Note: Both x and y got renamed and it'd be nice to detect both, and we do
> +# better with directory rename detection than git did previously, but the
> +# simple rule from section 5 prevents me from handling this as optimally as
> +# we potentially could.

...previously...

> +# Testcase 8e, Both sides rename, one side adds to original directory
> +#   Commit O: z/{b,c}
> +#   Commit A: y/{b,c}
> +#   Commit B: w/{b,c}, z/d
> +#
> +# Possible Resolutions:
> +#   Previous git: z/d, CONFLICT(z/b -> y/b vs. w/b), CONFLICT(z/c -> y/c vs. w/c)

"Previous git" may be hard to understand when reviewing this code in 2 years.
The future proof term is "git without dir rename detection" or such.
(This is only a small nit, which on its own doesn't require a reroll;
I'll keep reading.)

  reply	other threads:[~2017-11-22 18:29 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-21  8:00 [PATCH v3 00/33] Add directory rename detection to git Elijah Newren
2017-11-21  8:00 ` [PATCH v3 01/33] Tighten and correct a few testcases for merging and cherry-picking Elijah Newren
2017-11-21  8:00 ` [PATCH v3 02/33] merge-recursive: fix logic ordering issue Elijah Newren
2017-11-21  8:00 ` [PATCH v3 03/33] merge-recursive: add explanation for src_entry and dst_entry Elijah Newren
2017-11-21  8:00 ` [PATCH v3 04/33] directory rename detection: basic testcases Elijah Newren
2017-11-21  8:00 ` [PATCH v3 05/33] directory rename detection: directory splitting testcases Elijah Newren
2017-11-21  8:00 ` [PATCH v3 06/33] directory rename detection: testcases to avoid taking detection too far Elijah Newren
2017-11-21  8:00 ` [PATCH v3 07/33] directory rename detection: partially renamed directory testcase/discussion Elijah Newren
2017-11-21  8:00 ` [PATCH v3 08/33] directory rename detection: files/directories in the way of some renames Elijah Newren
2017-11-21  8:00 ` [PATCH v3 09/33] directory rename detection: testcases checking which side did the rename Elijah Newren
2017-11-21  8:00 ` [PATCH v3 10/33] directory rename detection: more involved edge/corner testcases Elijah Newren
2017-11-21  8:00 ` [PATCH v3 11/33] directory rename detection: testcases exploring possibly suboptimal merges Elijah Newren
2017-11-22 18:29   ` Stefan Beller [this message]
2017-11-21  8:00 ` [PATCH v3 12/33] directory rename detection: miscellaneous testcases to complete coverage Elijah Newren
2017-11-21  8:00 ` [PATCH v3 13/33] directory rename detection: tests for handling overwriting untracked files Elijah Newren
2017-11-21  8:00 ` [PATCH v3 14/33] directory rename detection: tests for handling overwriting dirty files Elijah Newren
2017-11-21  8:00 ` [PATCH v3 15/33] merge-recursive: move the get_renames() function Elijah Newren
2017-11-21  8:00 ` [PATCH v3 16/33] merge-recursive: introduce new functions to handle rename logic Elijah Newren
2017-11-21  8:00 ` [PATCH v3 17/33] merge-recursive: fix leaks of allocated renames and diff_filepairs Elijah Newren
2017-11-21  8:00 ` [PATCH v3 18/33] merge-recursive: make !o->detect_rename codepath more obvious Elijah Newren
2017-11-21  8:00 ` [PATCH v3 19/33] merge-recursive: split out code for determining diff_filepairs Elijah Newren
2017-11-21  8:00 ` [PATCH v3 20/33] merge-recursive: add a new hashmap for storing directory renames Elijah Newren
2017-11-21  8:00 ` [PATCH v3 21/33] merge-recursive: add get_directory_renames() Elijah Newren
2017-11-26  0:52   ` Johannes Schindelin
2017-11-26  1:45     ` Elijah Newren
2017-11-21  8:00 ` [PATCH v3 22/33] merge-recursive: check for directory level conflicts Elijah Newren
2017-11-22 18:36   ` Stefan Beller
2017-11-21  8:00 ` [PATCH v3 23/33] merge-recursive: add a new hashmap for storing file collisions Elijah Newren
2017-11-21  8:00 ` [PATCH v3 24/33] merge-recursive: add computation of collisions due to dir rename & merging Elijah Newren
2017-11-21  8:00 ` [PATCH v3 25/33] merge-recursive: check for file level conflicts then get new name Elijah Newren
2017-11-22 18:56   ` Stefan Beller
2017-11-21  8:00 ` [PATCH v3 26/33] merge-recursive: when comparing files, don't include trees Elijah Newren
2017-11-21  8:00 ` [PATCH v3 27/33] merge-recursive: apply necessary modifications for directory renames Elijah Newren
2017-11-21  8:00 ` [PATCH v3 28/33] merge-recursive: avoid clobbering untracked files with " Elijah Newren
2017-11-21  8:00 ` [PATCH v3 29/33] merge-recursive: fix overwriting dirty files involved in renames Elijah Newren
2017-11-21  8:00 ` [PATCH v3 30/33] merge-recursive: fix remaining directory rename + dirty overwrite cases Elijah Newren
2017-11-21  8:00 ` [PATCH v3 31/33] directory rename detection: new testcases showcasing a pair of bugs Elijah Newren
2017-11-21  8:00 ` [PATCH v3 32/33] merge-recursive: avoid spurious rename/rename conflict from dir renames Elijah Newren
2017-11-21  8:00 ` [PATCH v3 33/33] merge-recursive: ensure we write updates for directory-renamed file Elijah Newren
2017-11-22  0:42 ` [PATCH v3 00/33] Add directory rename detection to git Stefan Beller
2017-11-22  1:12   ` Elijah Newren
2017-11-22  2:44     ` Junio C Hamano
2017-11-22 19:24     ` Stefan Beller
2017-11-23  6:22       ` Elijah Newren
2017-11-23 11:52 ` Adam Dinwoodie
2017-11-23 22:28   ` Elijah Newren
2017-11-24  5:25     ` Elijah Newren
2017-11-24 20:07       ` Elijah Newren

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