49 lines
1.7 KiB
C++
49 lines
1.7 KiB
C++
/* vim: set sw=4 sts=4 et foldmethod=syntax : */
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/*
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* Copyright (c) 2010, 2011 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/collect_installed.hh>
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#include <paludis/util/set.hh>
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#include <paludis/util/wrapped_output_iterator.hh>
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#include <paludis/selection.hh>
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#include <paludis/generator.hh>
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#include <paludis/filtered_generator.hh>
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#include <paludis/filter.hh>
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#include <paludis/environment.hh>
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#include <paludis/metadata_key.hh>
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#include <algorithm>
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using namespace paludis;
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using namespace paludis::resolver;
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const std::shared_ptr<const PackageIDSet>
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paludis::resolver::collect_installed(
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const Environment * const env
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)
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{
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Context context("When collecting installed packages:");
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const std::shared_ptr<const PackageIDSequence> q((*env)[selection::AllVersionsUnsorted(
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generator::All() | filter::InstalledAtRoot(env->system_root_key()->parse_value()))]);
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const std::shared_ptr<PackageIDSet> result(std::make_shared<PackageIDSet>());
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std::copy(q->begin(), q->end(), result->inserter());
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return result;
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}
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