112 lines
4.0 KiB
C++
112 lines
4.0 KiB
C++
/* vim: set sw=4 sts=4 et foldmethod=syntax : */
|
|
|
|
/*
|
|
* Copyright (c) 2010, 2011, 2013 Ciaran McCreesh
|
|
*
|
|
* This file is part of the Paludis package manager. Paludis is free software;
|
|
* you can redistribute it and/or modify it under the terms of the GNU General
|
|
* Public License version 2, as published by the Free Software Foundation.
|
|
*
|
|
* Paludis is distributed in the hope that it will be useful, but WITHOUT ANY
|
|
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
|
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
|
|
* details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along with
|
|
* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
|
|
* Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#include <paludis/resolver/get_constraints_for_dependent_helper.hh>
|
|
#include <paludis/resolver/reason.hh>
|
|
#include <paludis/resolver/constraint.hh>
|
|
#include <paludis/resolver/resolvent.hh>
|
|
#include <paludis/resolver/resolution.hh>
|
|
#include <paludis/resolver/decision.hh>
|
|
#include <paludis/resolver/make_uninstall_blocker.hh>
|
|
#include <paludis/util/pimp-impl.hh>
|
|
#include <paludis/util/make_shared_copy.hh>
|
|
#include <paludis/util/make_named_values.hh>
|
|
#include <paludis/util/stringify.hh>
|
|
#include <paludis/dep_spec.hh>
|
|
#include <paludis/package_id.hh>
|
|
#include <paludis/package_dep_spec_collection.hh>
|
|
#include <paludis/partially_made_package_dep_spec.hh>
|
|
#include <paludis/elike_slot_requirement.hh>
|
|
#include <paludis/metadata_key.hh>
|
|
#include <paludis/slot.hh>
|
|
|
|
using namespace paludis;
|
|
using namespace paludis::resolver;
|
|
|
|
namespace paludis
|
|
{
|
|
template <>
|
|
struct Imp<GetConstraintsForDependentHelper>
|
|
{
|
|
const Environment * const env;
|
|
PackageDepSpecCollection less_restrictive_remove_blockers_specs;
|
|
|
|
Imp(const Environment * const e) : env(e), less_restrictive_remove_blockers_specs(nullptr)
|
|
{
|
|
}
|
|
};
|
|
}
|
|
|
|
GetConstraintsForDependentHelper::GetConstraintsForDependentHelper(const Environment * const e) :
|
|
_imp(e)
|
|
{
|
|
}
|
|
|
|
GetConstraintsForDependentHelper::~GetConstraintsForDependentHelper() = default;
|
|
|
|
void
|
|
GetConstraintsForDependentHelper::add_less_restrictive_remove_blockers_spec(const PackageDepSpec & spec)
|
|
{
|
|
_imp->less_restrictive_remove_blockers_specs.insert(spec);
|
|
}
|
|
|
|
const std::shared_ptr<ConstraintSequence>
|
|
GetConstraintsForDependentHelper::operator()(const std::shared_ptr<const Resolution> &,
|
|
const std::shared_ptr<const PackageID> & id,
|
|
const std::shared_ptr<const DependentPackageIDSequence> & dependent_upon_ids) const
|
|
{
|
|
auto result(std::make_shared<ConstraintSequence>());
|
|
|
|
std::shared_ptr<PackageDepSpec> spec;
|
|
if (_imp->less_restrictive_remove_blockers_specs.match_any(_imp->env, id, { }))
|
|
{
|
|
spec = make_shared_copy(id->uniquely_identifying_spec());
|
|
}
|
|
else
|
|
{
|
|
PartiallyMadePackageDepSpec partial_spec({ });
|
|
partial_spec.package(id->name());
|
|
if (id->slot_key())
|
|
partial_spec.slot_requirement(std::make_shared<ELikeSlotExactPartialRequirement>(id->slot_key()->parse_value().parallel_value(), nullptr));
|
|
spec = std::make_shared<PackageDepSpec>(partial_spec);
|
|
}
|
|
|
|
for (const auto & dependent : *dependent_upon_ids)
|
|
{
|
|
auto reason(std::make_shared<DependentReason>(dependent));
|
|
result->push_back(std::make_shared<Constraint>(make_named_values<Constraint>(
|
|
n::destination_type() = dt_install_to_slash,
|
|
n::force_unable() = false,
|
|
n::from_id() = id,
|
|
n::nothing_is_fine_too() = true,
|
|
n::reason() = reason,
|
|
n::spec() = make_uninstall_blocker(*spec),
|
|
n::untaken() = false,
|
|
n::use_existing() = ue_if_possible
|
|
)));
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
namespace paludis
|
|
{
|
|
template class Pimp<GetConstraintsForDependentHelper>;
|
|
}
|