module Guard

def add_group(name, options = {})

Returns:

(Guard::Group) - the group added (or retrieved from the `@groups` variable if already present)

Options Hash: (**options)

halt_on_fail (Boolean) -- if a task execution

Parameters:

name (String) -- the group name

def add_group(name, options = {})
  group = groups(name)
  if group.nil?
    group = Group.new(name, options)
    @groups << group
  end
  group
end