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Date: Sat, 12 Apr 2014 15:26:03 +0300
From: Lena@lena.kiev.ua
To: freebsd-questions@freebsd.org
Subject: Re: size of source tree
Message-ID: <20140412122603.GB783@lena.kiev>
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Cc: Erich Dollansky <erichsfreebsdlist@alogt.com>
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> From: Erich Dollansky

> > > The source tree dated 26.03.14 has a size of some 899GM while
> > > today's source tree has some 1.8GB.
> > > 
> > > Why is it suddenly so huge?
> > 
> > How were these source trees obtained?  A checkout from SVN will have a
> > .svn directory containing pristine copies of all of the files, which
> > will pretty much double the space requirement.
> 
> both have been obtained with svn. The smaller one was started last year
> with the then current version of svn.
> 
> Is there an option to turn this behaviour of keeping a copy off?

You can download entire source tree only (without .svn directory) every time
instead of update, for example:

rm -rf /usr/src
svn export svn://svn0.us-east.FreeBSD.org/base/releng/8.4 /usr/src

Takes about 30 minutes.