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From: Dmitry Gutov <dgutov@yandex.ru>
To: John Yates <john@yates-sheets.org>,
	Emacs developers <emacs-devel@gnu.org>
Subject: Re: vc-find-revision-no-save?
Date: Mon, 24 Oct 2022 12:42:08 +0300	[thread overview]
Message-ID: <b996cb54-61f3-31ce-6a8c-e6f43e4e6cdb@yandex.ru> (raw)
In-Reply-To: <CAJnXXohS35J_KAEdQYwf=-jPwCYYbQVyXDK-dHOH4tV1FeAUNQ@mail.gmail.com>

On 24.10.2022 03:27, John Yates wrote:
> Notice that the default is nil.  What is the logic in allowing an
> historic revision to be associated with a file?  Why is it not merely
> a readonly buffer with no backing file?
> 
> Perhaps I have been too influenced by git...  My mental model is that
> revisions are immutable_values_.  Is that not vc's model?

Caching? Easy of copying to replace the original?

VC's old, and a lot of it prefers convenience over purity. Including the 
convenience of implementation.



  reply	other threads:[~2022-10-24  9:42 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-24  0:27 vc-find-revision-no-save? John Yates
2022-10-24  9:42 ` Dmitry Gutov [this message]
2022-10-24 16:02   ` vc-find-revision-no-save? Philip Kaludercic
2022-10-24 17:14     ` vc-find-revision-no-save? Dmitry Gutov
2022-10-24 21:10     ` vc-find-revision-no-save? Stefan Monnier
2022-10-25  2:22       ` vc-find-revision-no-save? Eli Zaretskii
2022-10-28 21:57       ` vc-find-revision-no-save? Richard Stallman
2022-10-29  6:46         ` vc-find-revision-no-save? Philip Kaludercic
2022-10-29  7:07           ` vc-find-revision-no-save? Stefan Kangas
2022-10-29  9:18             ` vc-find-revision-no-save? Philip Kaludercic
2022-10-29  9:24           ` vc-find-revision-no-save? Andreas Schwab
2022-10-29  9:26             ` vc-find-revision-no-save? Philip Kaludercic
2022-10-29 15:14           ` vc-find-revision-no-save? Stefan Monnier
2022-10-29 15:40             ` vc-find-revision-no-save? Philip Kaludercic
2022-10-24 19:37 ` vc-find-revision-no-save? Juri Linkov
2022-10-24 20:00   ` vc-find-revision-no-save? John Yates
  -- strict thread matches above, loose matches on Subject: below --
2023-01-31 11:57 vc-find-revision-no-save? John Yates
2023-02-10 23:46 ` vc-find-revision-no-save? Dmitry Gutov
2023-03-27 19:38   ` vc-find-revision-no-save? John Yates
2023-03-27 20:50   ` vc-find-revision-no-save? John Yates

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