$> svn co svn://gcc.gnu.org/svn/gcc/trunk gcc
$> cd gcc
$> du -h
...
1.6G .
$> svn export . ../clean-gcc
$> cd ../clean-gcc
$> du -h
...
638M .
$>
Oh, yes, I did.
$> svn co svn://gcc.gnu.org/svn/gcc/trunk gcc
$> cd gcc
$> du -h
...
1.6G .
$> svn export . ../clean-gcc
$> cd ../clean-gcc
$> du -h
...
638M .
$>
Oh, yes, I did.