sig
val pull_url :
OpamTypes.package ->
OpamTypes.dirname ->
string option ->
OpamTypes.address -> OpamTypes.generic_file OpamTypes.download
val pull_repo : OpamTypes.repository -> unit
val pull_archive :
OpamTypes.repository ->
OpamTypes.filename -> OpamTypes.filename OpamTypes.download
val revision : OpamTypes.repository -> OpamTypes.version option
end