[p4] Branch rename question

[Stephen Vance]

To truly rename it, checkpoint surgery is your only option. It's not 
risky when you know what you're doing. Contact support and have them 
walk you through it.

Steve

Smith, Jeff wrote:
> We have a situation that requires us to rename a branch and then use the
> old name for a new branch.  No comments on ways to avoid this are
> necessary :-)  We are aware of what has led to this and are taking steps
> to avoid it in the future.
>  
> What I would like is any experiences solving this problem.  The best
> solution is one which makes looking through history and performing
> future integrations as clean as possible.
>  
> Problem: Given 2 branches (BR1 and BR2), we need BR2 renamed to BR3 and
> BR1 branched to create a new BR2.  Note that the existing BR2 was
> created from BR1 at some point in the past.
>  
> Solution 1:
> integrate BR2->B3
> integrate BR1->BR2 (accepting source)
>  
> Solution 2:
> integrate BR2->B3
> delete BR2
> integrate BR1->BR2
>  
> Solution 3:
> integrate BR2->B3
> obliterate BR2
> integrate BR1->BR2
>  
> Solution 4:
> use checkpoint surgery to rename BR2->BR3
> integrate BR1->BR2
>  
> It looks like solution 4 is the cleanest but also the most risky.  I am
> interested in comments from anyone who has been through a similar
> exercise and their experiences with any solutions they've used.
>  
> Thanks,
> Jeff
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