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- checkout main in-portal folder from svn://source.in-portal.org/in-portal/branches/5.2.x instead of checking out profile-name from svn://source.in-portal.org/profiles/profile-name/branches/5.2.x
- run "
php /tools/configure_profile.php profile-name", which will set needed "svn:externals" property - run "
svn update" once to checkout modules/themes that were added
...