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Date: Fri, 25 Jul 2008 14:27:02 -0500
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To: Marcus Boerger <helly@php.net>
Cc: Lukas Kahwe Smith <mls@pooteeweet.org>,
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Subject: Re: [PHP-DEV] CVS to SVN Migration
From: tswicegood@php.net (Travis Swicegood)

Hello Marcus;

Marcus Boerger wrote:
> A cvs read-only mirror would be nice to allow the old way of checking out
> stuff. But there I fail to see the reason to limit our selves to one
> additional other tool, nor do I see a reason to complicate matters even
> more by giving people other repositories that we somehow merge or not. SVN
> works everywhere and other tools can be used on top of it where ppl see
> that necessary but it is not the way PHP is being developed. Or do you want
> to change the whole of PHP development at the same time?
>   

I don't presume to speak for Lukas here, nor to believe we should 
standardize on one particular alternative VCS (be it a DVCS or not).  I 
think we should definitely go the SVN route as the only official way to 
commit to PHP with possibly a read-only mirror on CVS that could be 
phased out at some point in the future.

That said, I think if someone is willing to step up to the plate and 
offer bootstrap repositories for another VCS and is willing to help 
support it for those who are interested in using it we would be remiss 
in turning them down as it's no small undertaking.

According to the wiki there are over  270k commits in php-src.  Using 
Mono (90k - 100k commits) and my own experience with smaller 
repositories (500 - 30k) as a guide, this means that to clone the entire 
history of PHP via a `git svn clone` command would take nearly a week!  
Using a bootstrap that is updated nightly, or even weekly, we can cut 
that process down to < 15 minutes.

I've already volunteered on the svn-migrations list to work on an 
unofficial mirror as soon as the SVN import is completed.  I would love 
to see it make its way onto a php.net server so others who are 
interested can benefit from the upfront work, but will be happy to host 
it on one of my servers like the current git clone is.

-T