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RE: Sticky tag issue!

From: Jim.Hyslop
Subject: RE: Sticky tag issue!
Date: Fri, 21 Nov 2003 09:24:35 -0500

Kayed Alfi [mailto:address@hidden wrote:
> It is preventing us from retrieving an earlier version
> of the file to make changes to that particular source
> code.
OK, now we're getting a little closer to an answer. The next question is,
why do you want to make changes to an earlier revision? Are you abandoning
all the changes made since that earlier revision, or do you need to fix a
bug in a released version?

If you want to abandon all the changes, then you can use the -p option and
direct the output to the same file.

For this example, suppose you want to revert to version 1.1:

cvs update -p -r1.1 somefile > somefile
[modify somefile]
cvs commit somefile

As I said, though, this will wipe out any changes that have been made since
revision 1.1, so treat this option with care. Make sure that is really what
you want to do.

If you want to make a bug fix, then you need to make a branch, and make the
corrections on that branch:

cvs tag -b -rRelease1_1 Release1_1_branch
cvs update -rRelease1_1_branch
[modify somefile]
cvs commit somefile

See Branching and Merging in the CVS documentation for more information:

If neither of these covers what you're trying to do, then please tell us
more about why you need to modify an older version of a file.

> The question that probably begs it self, could
> I undue changes recursivly to a earlier versions of
> file x.
You could, but that would be a tedious way to do it.

Jim Hyslop
Senior Software Designer
Leitch Technology International Inc. (
Columnist, C/C++ Users Journal (

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