This helper function lets you use environment variables to auto-authenticate on package load, intended for calling by gar_attach_auto_auth
gar_auto_auth(required_scopes, environment_var = "GAR_AUTH_FILE")
Required scopes needed to authenticate - needs to match at least one
Name of environment var that contains auth file path
The authentication file can be a
You can use this in your code to authenticate from a file location specified in file, but it is mainly intended to be called on package load via gar_attach_auto_auth.
an OAuth token object, specifically a