class Bundler::Definition

def specs_for_source_changed?(source)
  locked_index = Index.new
  locked_index.use(@locked_specs.select {|s| source.can_lock?(s) })
  !locked_index.subset?(source.specs)
rescue PathError, GitError => e
  Bundler.ui.debug "Assuming that #{source} has not changed since fetching its specs errored (#{e})"
  false
end