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From: Eric Sunshine <>
To: Wink Saville <>
Cc: Git List <>,
	Johannes Schindelin <>
Subject: Re: [RFC PATCH 0/3] rebase-interactive
Date: Tue, 20 Mar 2018 17:47:14 -0400	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On Tue, Mar 20, 2018 at 5:23 PM, Wink Saville <> wrote:
> On Tue, Mar 20, 2018 at 2:11 PM, Eric Sunshine <> wrote:
>> A problem with this approach is that it loses "blame" information. A
>> git-blame of shows all code in that
>> file as having arisen spontaneously from thin air; it is unable to
>> trace its real history. It would be much better to actually _move_
>> code to the new file (and update callers if necessary), which would
>> preserve provenance.
>> Ideally, patches which move code around should do so verbatim (or at
>> least as close to verbatim as possible) to ease review burden.
>> Sometimes changes to code are needed to make it relocatable before
>> movement, in which case those changes should be made as separate
>> preparatory patches, again to ease review.
>> As it is, without detailed spelunking, it is not immediately clear to
>> a reviewer which functions in are
>> newly written, and which are merely moved (or moved and edited) from
>> This shortcoming suggests that the patch
>> series could be re-worked to do the refactoring in a more piecemeal
>> fashion which more clearly holds the hands of those trying to
>> understand the changes. (For instance, one or more preparatory patches
>> may be needed to make the code relocatable, followed by verbatim code
>> relocation, possibly iterating these steps if some changes depend upon
>> earlier changes, etc.)
> Must all intermediate commits continue build and pass tests?

Yes, not just because it is good hygiene, but also because it
preserves git-bisect'ability.

  reply	other threads:[~2018-03-20 21:47 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-20 20:45 [RFC PATCH 0/3] rebase-interactive Wink Saville
2018-03-20 20:45 ` [RFC PATCH 1/3] rebase-interactive: create Wink Saville
2018-03-20 20:45 ` [RFC PATCH 2/3] rebase-interactive: create git-rebase--interactive--preserve-merges Wink Saville
2018-03-20 20:45 ` [RFC PATCH 3/3] rebase-interactive: refactor git-rebase--interactive to use library Wink Saville
2018-03-20 21:11 ` [RFC PATCH 0/3] rebase-interactive Eric Sunshine
2018-03-20 21:23   ` Wink Saville
2018-03-20 21:47     ` Eric Sunshine [this message]
2018-03-21  3:31       ` Wink Saville
2018-03-21  8:54         ` Eric Sunshine
2018-03-21 17:44           ` [RFC PATCH v2 0/1] rebase-interactive: Add git_rebase__interactive__preserve_merges Wink Saville
2018-03-21 17:44           ` [RFC PATCH v2 1/1] " Wink Saville
2018-03-21 19:42             ` Junio C Hamano
2018-03-21 21:49               ` Wink Saville
2018-03-21 22:43                 ` Junio C Hamano

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