Exheredludis/paludis/common_sets.cc
2012-09-14 18:06:37 +01:00

86 lines
3.3 KiB
C++

/* vim: set sw=4 sts=4 et foldmethod=syntax : */
/*
* Copyright (c) 2009, 2010, 2011 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/common_sets.hh>
#include <paludis/environment.hh>
#include <paludis/repository.hh>
#include <paludis/spec_tree.hh>
#include <paludis/selection.hh>
#include <paludis/generator.hh>
#include <paludis/filter.hh>
#include <paludis/filtered_generator.hh>
#include <paludis/metadata_key.hh>
#include <paludis/package_id.hh>
#include <paludis/user_dep_spec.hh>
#include <paludis/partially_made_package_dep_spec.hh>
#include <paludis/slot.hh>
#include <paludis/util/sequence.hh>
#include <paludis/util/wrapped_forward_iterator.hh>
#include <paludis/util/stringify.hh>
using namespace paludis;
namespace
{
std::shared_ptr<SetSpecTree> get_installed_set(
const Environment * const env,
const Repository * const repo,
const bool slots)
{
Context context("When making " + std::string(slots ? "installed-slots" : "installed-packages") +
" set from '" + stringify(repo->name()) + "':");
std::shared_ptr<SetSpecTree> result(std::make_shared<SetSpecTree>(std::make_shared<AllDepSpec>()));
std::shared_ptr<const PackageIDSequence> ids;
if (slots)
ids = ((*env)[selection::BestVersionInEachSlot(generator::InRepository(repo->name()))]);
else
ids = ((*env)[selection::BestVersionOnly(generator::InRepository(repo->name()))]);
for (PackageIDSequence::ConstIterator i(ids->begin()), i_end(ids->end()) ;
i != i_end ; ++i)
if (slots && (*i)->slot_key())
result->top()->append(std::make_shared<PackageDepSpec>(
make_package_dep_spec({ })
.package((*i)->name())
.slot_requirement(std::make_shared<UserSlotExactPartialRequirement>((*i)->slot_key()->parse_value().parallel_value()))
));
else
result->top()->append(std::make_shared<PackageDepSpec>(
make_package_dep_spec({ })
.package((*i)->name())
));
return result;
}
}
void
paludis::add_common_sets_for_installed_repo(
const Environment * const env,
const Repository & repo)
{
env->add_set(SetName("installed-packages"), SetName("installed-packages::" + stringify(repo.name())),
std::bind(&get_installed_set, env, &repo, false), true);
env->add_set(SetName("installed-slots"), SetName("installed-slots::" + stringify(repo.name())),
std::bind(&get_installed_set, env, &repo, true), true);
}