class Sprockets::Context

def link_asset(path)

Returns an Asset or nil.

easy to construct a link to it.
including it. The target asset is returned from this function making it
`link_asset` declares an external dependency on an asset without directly 
def link_asset(path)
  if asset = @environment.load(locate(path))
    @dependency_paths.merge(asset.metadata[:dependency_paths])
    @links << asset.uri
  end
  asset
end