Without --no-interaction, the script can wait until a user response but stdout is redirect to /dev/null.
$ composer clearcache
symfony/thanks contains a Composer plugin which is currently not in your allow-plugins config. See https://getcomposer.org/allow-plugins
Do you trust "symfony/thanks" to execute code and wish to enable it now? (writes "allow-plugins" to composer.json) [y,n,d,?]
Without
--no-interaction
, the script can wait until a user response but stdout is redirect to/dev/null
.