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From: Thomas Rast <trast@inf•ethz.ch>
To: Junio C Hamano <gitster@pobox•com>
Cc: Jim Greenleaf <james.a.greenleaf@gmail•com>,
	<git@vger•kernel.org>, "Petr Baudis" <pasky@ucw•cz>
Subject: Re: git stash deletes/drops changes of
Date: Fri, 24 May 2013 00:56:50 +0200	[thread overview]
Message-ID: <87obc15mq5.fsf@linux-k42r.v.cablecom.net> (raw)
In-Reply-To: <7vd2shcnx7.fsf@alter.siamese.dyndns.org> (Junio C. Hamano's message of "Thu, 23 May 2013 15:49:08 -0700")

Junio C Hamano <gitster@pobox•com> writes:

> Thomas Rast <trast@inf•ethz.ch> writes:
>
>> So maybe it would be time to first make up our minds as to what
>> --assume-unchanged should actually mean:
>>
>> * Ignore changes to a tracked file, but treat them as valuable.  In
>>   this case we'd have to make sure that failures like git-stash's are
>>   handled properly.
>>
>> * Ignore changes to a tracked file, as in "who cares if it was changed".
>>
>> * A very specific optimization for users who know what they are doing.
>
> It has always been a promise the user makes to Git that the working
> tree files that are marked as such will be kept identical to what is
> in the index (hence there is no need for Git to check if they were
> modified). And by extension, Git is now free to choose reading from
> the working tree file when asked to read from blob object recorded
> in the index for that path, or vice versa, because of that promise.
>
> It is not --ignore-changes bit, and has never been.  What are the
> workflows that are helped if we had such a bit?  If we need to
> support them, I think you need a real --ignore-changes bit, not
> an abuse of --assume-unchanged.

I gather -- from #git -- that it's mostly used for config files, which
have an annoying habit of being different from the repository.

Which is wrong, really.  But we still claim that --assume-unchanged is a
solution to it in git-update-index(1).

-- 
Thomas Rast
trast@{inf,student}.ethz.ch

  reply	other threads:[~2013-05-23 22:56 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-06-04 16:24 git stash deletes/drops changes of "assume-unchanged" files Adeodato Simó
2013-05-23 16:57 ` git stash deletes/drops changes of Jim Greenleaf
2013-05-23 22:10   ` Thomas Rast
2013-05-23 22:49     ` Junio C Hamano
2013-05-23 22:56       ` Thomas Rast [this message]
2013-05-23 23:20         ` Junio C Hamano
2013-05-24 15:25           ` Phil Hord
2013-05-24 15:34             ` Jim Greenleaf
2013-05-24 15:38               ` John Keeping
2013-05-24 15:42                 ` Jim Greenleaf
2013-05-24 16:01                   ` John Keeping
2013-05-23 23:57         ` Petr Baudis
2013-05-24  8:22           ` John Keeping
2013-05-24  9:40             ` Petr Baudis
2013-05-24 10:06               ` John Keeping
2013-05-24 10:14                 ` Petr Baudis
2013-05-24 10:40                   ` John Keeping
2013-05-24 11:03                     ` Petr Baudis
2013-05-24 12:42                       ` John Keeping
2013-05-24 14:26         ` Stephen Bash

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