$ hurl --foo
error: error: unexpected argument '--foo' found
tip: to pass '--foo' as a value, use '-- --foo'
Usage: hurl [OPTIONS] [FILES]...
For more information, try '--help'.
The error message is error: error: unexpected argument '--foo' found (error is duplicated twice)
When using a non existing CLI option:
The error message is
error: error: unexpected argument '--foo' found
(error
is duplicated twice)