git clone --depth=1 "git://github.com/phpbb/phpbb.git" "phpBB3" --branch=master

cd phpBB3/phpBB

php ../composer.phar install --dev --no-interaction

php ../composer.phar remove sami/sami --dev --no-interaction

php ../composer.phar require phpbb/epv:dev-master --dev --no-interaction --ignore-platform-reqs