module Rake::InvocationExceptionMixin

def chain

no tasks were active.
effect when this exception was detected by rake. May be null if
Return the invocation chain (list of Rake tasks) that were in
def chain
  @rake_invocation_chain ||= nil
end

def chain=(value)

detected.
Set the invocation chain in effect when this exception was
def chain=(value)
  @rake_invocation_chain = value
end