public function usageHelp()
{
return <<<USAGE
[1mDESCRIPTION[0m
Allows the developer to configure which S3 bucket they want to use with
their Magento installation.
[1mSYNOPSIS[0m
php s3_config.php [--list]
[--access-key-id <access-key-id>]
[--secret-key <secret-key>]
[--bucket <bucket>]
[--region <region>]
[-h] [--help]
[1mOPTIONS[0m
--list
Lists whatever credentials for S3 you have provided for Magento.
[1mNOTE:[0m Using this option will cause the script to ignore the other options.
--access-key-id <access-key-id>
You must provide a valid AWS access key ID. You can generate access keys
using the AWS IAM (https://console.aws.amazon.com/iam/home).
--secret-key <secret-key>
You must also provide the secret access key that corresponds to the
access key ID that you have just generated.
--bucket <bucket>
You must provide a valid S3 bucket name that you want media files to be
uploaded to.
--region <region>
You must provide a valid S3 region. As 2016-03-17, S3 has the following
regions:
us-east-1
us-west-1
us-west-2
eu-west-1
eu-central-1
ap-southeast-1
ap-southeast-2
ap-northeast-1
ap-northeast-2
sa-east-1
You can review all valid S3 regions via the AWS documentation
(http://docs.aws.amazon.com/general/latest/gr/rande.html#s3_region).
USAGE;
}