143 lines
4.0 KiB
C++
143 lines
4.0 KiB
C++
/* vim: set sw=4 sts=4 et foldmethod=syntax : */
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/*
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* Copyright (c) 2010, 2011, 2013 Ciaran McCreesh
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*
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* This file is part of the Paludis package manager. Paludis is free software;
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* you can redistribute it and/or modify it under the terms of the GNU General
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* Public License version 2, as published by the Free Software Foundation.
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*
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* Paludis is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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* Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <paludis/resolver/confirm_helper.hh>
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#include <paludis/resolver/reason.hh>
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#include <paludis/resolver/constraint.hh>
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#include <paludis/resolver/resolvent.hh>
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#include <paludis/resolver/resolution.hh>
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#include <paludis/resolver/decision.hh>
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#include <paludis/resolver/required_confirmations.hh>
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#include <paludis/resolver/decision_utils.hh>
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#include <paludis/util/pimp-impl.hh>
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#include <paludis/dep_spec.hh>
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#include <paludis/package_id.hh>
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#include <paludis/package_dep_spec_collection.hh>
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using namespace paludis;
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using namespace paludis::resolver;
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namespace paludis
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{
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template <>
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struct Imp<ConfirmHelper>
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{
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const Environment * const env;
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PackageDepSpecCollection permit_downgrade_specs;
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PackageDepSpecCollection permit_old_version_specs;
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PackageDepSpecCollection allowed_to_break_specs;
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bool allowed_to_break_system;
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Imp(const Environment * const e) :
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env(e),
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permit_downgrade_specs(nullptr),
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permit_old_version_specs(nullptr),
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allowed_to_break_specs(nullptr),
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allowed_to_break_system(false)
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{
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}
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};
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}
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ConfirmHelper::ConfirmHelper(const Environment * const e) :
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_imp(e)
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{
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}
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ConfirmHelper::~ConfirmHelper() = default;
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void
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ConfirmHelper::add_permit_downgrade_spec(const PackageDepSpec & spec)
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{
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_imp->permit_downgrade_specs.insert(spec);
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}
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void
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ConfirmHelper::add_permit_old_version_spec(const PackageDepSpec & spec)
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{
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_imp->permit_old_version_specs.insert(spec);
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}
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void
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ConfirmHelper::add_allowed_to_break_spec(const PackageDepSpec & spec)
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{
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_imp->allowed_to_break_specs.insert(spec);
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}
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void
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ConfirmHelper::set_allowed_to_break_system(const bool b)
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{
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_imp->allowed_to_break_system = b;
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}
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bool
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ConfirmHelper::operator() (
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const std::shared_ptr<const Resolution> & resolution,
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const std::shared_ptr<const RequiredConfirmation> & confirmation) const
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{
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auto id(get_decided_id_or_null(resolution->decision()));
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return confirmation->make_accept_returning(
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[&] (const DowngradeConfirmation &) {
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if (id)
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if (_imp->permit_downgrade_specs.match_any(_imp->env, id, { }))
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return true;
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return false;
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},
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[&] (const NotBestConfirmation &) {
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if (id)
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if (_imp->permit_old_version_specs.match_any(_imp->env, id, { }))
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return true;
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return false;
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},
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[&] (const BreakConfirmation &) {
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if (id)
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if (_imp->allowed_to_break_specs.match_any(_imp->env, id, { }))
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return true;
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return false;
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},
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[&] (const RemoveSystemPackageConfirmation &) {
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return _imp->allowed_to_break_system;
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},
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[&] (const MaskedConfirmation &) {
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return false;
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},
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[&] (const ChangedChoicesConfirmation &) {
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return false;
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},
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[&] (const UninstallConfirmation &) {
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return false;
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}
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);
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}
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namespace paludis
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{
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template class Pimp<ConfirmHelper>;
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}
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