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Re: using cvschroot allowed?


From: Mark D. Baushke
Subject: Re: using cvschroot allowed?
Date: Tue, 22 Aug 2006 09:55:21 -0700

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Harald Dunkel <address@hidden> writes:

> We've got a huge CVS repository in India, and a local read-
> only mirror at my site in Germany, updated at least once per
> day. As you might imagine, getting a writable checkout takes
> a lot of time.
> 
> To speed things up I would like to do a local checkout
> first, and then use cvschroot (see 'cvsutils' on Google)
> on my sandbox to point to the writable Indian repository.

The CVS project has something similar called newroot.

http://cvs.savannah.nongnu.org/viewcvs/ccvs/contrib/newcvsroot.sh?root=cvs

> 
> Question: Is it allowed to use cvschroot in this way? Or is
> this too much of a hack, maybe corrupting my CVS repository
> at checkin? Anything I should take into account to make this
> work?

Well, I would try to avoid excessive use of this technique as an
interruption during the altering of the CVS/Root process might leave
your tree in an odd state.

> 
> 
> As you might have guessed, I am not sure how the cvsutils are
> really related to cvs. Any insight would be highly appreciated.
> 
> 
> http://www.die.net/doc/linux/man/man1/cvschroot.1.html

For what it is worth, the CVS executables will trust any command-line
specification of the cvsroot (the 'cvs -d cvsroot' option) first, and it
will trust the CVS/Root contents more than the $CVSROOT variable.

Any tool that assumes otherwise is likely to violate the principle of
least astonishment.

Please note that there are two separate methods available to have a
read-only CVS repository that may be used for checkout and without any
changes to the user's workspace.

  1) Allow a commit via a writeproxy configuration (needs cvs 1.12.x
     where x > 9). Note: Not many folks are using this feature right
     now.

  2) Use a commercial product add-on to CVS from WANdisco.com

You may find doing a goole for 'cvs multisite' and 'cvs writeproxy' may
be useful to you.

        Enjoy!
        -- Mark

> 
> 
> 
> Many thanx
> 
> Harri
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