if (ini_get('safe_mode') && false === strpos(ini_get('safe_mode_allowed_env_vars'), 'GIT_ASKPASS')) {
if (PHP_VERSION_ID <50400&&ini_get('safe_mode') &&false === strpos(ini_get('safe_mode_allowed_env_vars'), 'GIT_ASKPASS')) {
throw new \RuntimeException('safe_mode is enabled and safe_mode_allowed_env_vars does not contain GIT_ASKPASS, can not set env var. You can disable safe_mode with "-dsafe_mode=0" when running composer');