$ git --git-dir=/var/www/colurgemgemru/data/colur.git --work-tree=/var/www/colurgemgemru/data/www/colur.gemgem.ru/ submodule update
fatal: working tree '/var/www/colurgemgemru/data/www/colur.gemgem.ru/' already exists.
Clone of 'https://github.com/WordPress/WordPress.git' into submodule path 'wp' failed