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Re: changing module names, preserving history

From: Mark E. Hamilton
Subject: Re: changing module names, preserving history
Date: Wed, 16 Nov 2005 16:41:53 -0700
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.3) Gecko/20040913

Sean Brown wrote:
I've inhereted a cvs repository with a whole bunch of modules from a
previous IT director who, apparently, had never heard of naming
conventions.  I'd like to rename the modules, but I'm afraid of losing
the history associated with them.

I've been told that I can simply SSH in, change to root,  and change
the names of the module direcotries and all history will be preserved.

So, let's say:


and there is a module in their named "badly_named_module."  It would
be /home/cvs/cvsroot/badly_named_module.  If I changed the name of the
directory to /home/cvs/cvsroot/perfectly_named_module, would all of
the files contained therein keep their history?

Yes, all the files therein would keep their history.

However, the reason this is usually not a good idea is that you will never be able to reproduce an old version of your hierarchy. For instance, if you check out yesterday's code (using either a tag or the -D option) you won't get 'badly_named_module' in your working directory; you'll get 'perfectly_named_module', which didn't really exist in your hierarchy yesterday or when the tag was created. In fact, it will be as if 'badly_named_module' never existed.

If you and your users can live with that then it's not a problem.

Note that any checked out working directories will be broken. You should have anyone with files to be committed to that hierarchy commit them before renaming, and then have them remove the module from their working directory and check out the new one.

Also, any scripts that depend on the name will need to be changed, and older versions will never work (since they contain a name that never existed! ;) )

Mark E. Hamilton
Orion International Technologies, Inc.
Sandia National Laboratory, NM.

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