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List:       bitkeeper-users
Subject:    Re: [Bitkeeper-users] bk cp - does preserved history "share structure" with original?
From:       Larry McVoy <lm () bitmover ! com>
Date:       2002-08-30 0:16:35
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> The 'bk cp' documentation states
> 
> ,----
> | The new file will be distinct from the old file moving forward, but
> | will have the revision history from the old file preserved.
> `----
> 
> Does the revision history of the new file "share structure" with the
> history of the old file, or does it make a deep copy of that history?

It replicates the revision history and it does not, unfortunately,
remember that it has done so.  So in other words, if what you want is
"please replicate this history but remember to apply any changes to the
original to all copied histories" we don't support that.

This is, however, an area of interest to us.  The whole topic of having
revision history shared between "files" is a good topic to consider, it's
somewhat related to refactoring in Java classes, that sort of thing.  We
know it would be cool to do this, we haven't seen enough interest to
justify the engineering.  If we're mistaken in the interest level, we do
have a pretty solid understanding of the problem as well as a good start
on the solution...  For whatever that is worth.
-- 
---
Larry McVoy            	 lm at bitmover.com           http://www.bitmover.com/lm 
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