let make_request tables universe native_arch request =
let to_cudf (p,v) = (p,Debian.Debcudf.get_cudf_version tables (p,v)) in
let get_candidate (name,constr) =
try
List.find
(fun pkg ->
try (Cudf.lookup_package_property pkg "apt-candidate") = "true"
with Not_found -> false)
(CudfAdd.who_provides universe (name,constr))
with Not_found ->
print_error "Package %s does not have a suitable candidate" name
in
let select_packages ?(remove=false) l =
List.map (fun ((n,a),c) ->
let (name,constr) = Boilerplate.debvpkg ~native_arch to_cudf ((n,a),c) in
if remove then
(name,None)
else
match constr, request.Edsp.strict_pin with
None, false -> (name, None)
| _, _ -> (name,Some(`Eq,(get_candidate (name,constr)).Cudf.version))
) l
in
if request.Edsp.upgrade || request.Edsp.distupgrade then
let to_upgrade = function
|[] ->
let filter pkg = pkg.Cudf.installed in
let l = Cudf.get_packages ~filter universe in
List.map (fun pkg -> (pkg.Cudf.package,None)) l
|l -> select_packages l
in
{Cudf.default_request with
Cudf.request_id = request.Edsp.request;
Cudf.upgrade = to_upgrade request.Edsp.install;
Cudf.remove = select_packages ~remove:true request.Edsp.remove;
}
else
{Cudf.default_request with
Cudf.request_id = request.Edsp.request;
Cudf.install = select_packages request.Edsp.install;
Cudf.remove = select_packages ~remove:true request.Edsp.remove;
}