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Re: autorevert and vc
From: |
Luc Teirlinck |
Subject: |
Re: autorevert and vc |
Date: |
Thu, 1 Apr 2004 10:46:36 -0600 (CST) |
Jari Aalto wrote:
| On the other hand, the problem only occurs while editing the same
| version controlled buffer from two distinct Emacs buffers. Why waste
| _any_ CPU if one knows that that situation is not going to occur?
I give an example where occurs.
I was not contesting that the situation _can_ occur. To state more
precisely what I meant:
Why should a particular user waste any CPU if that user knows that the
situation is not going to occur for him?
Since yesterday evening, there is a customizable variable
auto-revert-check-vc-info that works for all supported VC systems.
Setting it to t will update all VC info every auto-revert-interval
seconds. The default is nil. In personal rudimentary testing, it did
not seem to consume terribly much CPU for RCS and CVS. I tested on a
1.7 GHZ dual Xeon. I did not test the four other supported systems.
I do not know anything about them. I did not yet write a NEWS entry,
but I will.
If there would be performance problems for certain VC systems, one
could try to take care of them, for instance using Stefan's idea of a
`vc-stale-state-p' function.
Sincerely,
Luc.