class Pry::CommandSet

def alias_command(match, action, options = {})

Other tags:
    Example: Pass explicit description (overriding default). -
    Example: Creating an alias for `ls -M` -

Parameters:
  • options (Hash) -- The optional configuration parameters,
  • action (String) -- The action to be performed (typically
  • match (String, Regex) -- The match of the alias (can be a regex). 
def alias_command(match, action, options = {})
  (cmd = find_command(action)) || raise("command: '#{action}' not found")
  original_options = cmd.options.dup
  options = original_options.merge!(
    desc: "Alias for `#{action}`",
    listing: match.is_a?(String) ? match : match.inspect
  ).merge!(options)
  # ensure default description is used if desc is nil
  desc = options.delete(:desc).to_s
  c = block_command match, desc, options do |*args|
    run action, *args
  end
  # TODO: untested. What's this about?
  c.class_eval do
    define_method(:complete) do |input|
      cmd.new(context).complete(input)
    end
  end
  c.group "Aliases"
  c
end