module Net::SSH

def self.configuration_for(host, use_ssh_config)

See Net::SSH::Config for the full description of all supported options.

to read.
be a file name (or array of file names) of SSH configuration file(s)
loaded (and an empty hash returned). Otherwise, +use_ssh_config+ may
/etc/ssh_config. If +use_ssh_config+ is nil or false, nothing will be
default), this will load configuration from both ~/.ssh/config and
from the SSH configuration file(s). If +use_ssh_config+ is true (the
Returns a hash of the configuration options for the given host, as read 
def self.configuration_for(host, use_ssh_config)
  files = case use_ssh_config
          when true then Net::SSH::Config.expandable_default_files
          when false, nil then return {}
          else Array(use_ssh_config)
          end
  Net::SSH::Config.for(host, files)
end