class Bundler::Source

def can_lock?(spec)
  spec.source == self
end

def include?(other)
  other == self
end

def unmet_deps
  specs.unmet_dependency_names
end

def version_message(spec)
  message = "#{spec.name} #{spec.version}"
  if Bundler.locked_gems
    locked_spec = Bundler.locked_gems.specs.find {|s| s.name == spec.name }
    locked_spec_version = locked_spec.version if locked_spec
    if locked_spec_version && spec.version != locked_spec_version
      message += " (was #{locked_spec_version})"
    end
  end
  message
end