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/* vim: set sw=4 sts=4 et foldmethod=syntax : */
/*
* Copyright (c) 2010 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/destination_utils.hh>
#include <paludis/package_id.hh>
#include <paludis/metadata_key.hh>
#include <paludis/filtered_generator.hh>
#include <paludis/generator.hh>
#include <paludis/generator_handler.hh>
#include <paludis/filter.hh>
#include <paludis/environment.hh>
#include <paludis/package_database.hh>
using namespace paludis;
using namespace paludis::resolver;
bool
paludis::resolver::can_make_binary_for(const std::shared_ptr<const PackageID> & id)
{
if (! id->behaviours_key())
return true;
return id->behaviours_key()->value()->end() == id->behaviours_key()->value()->find("unbinaryable");
}
bool
paludis::resolver::is_already_binary(const std::shared_ptr<const PackageID> & id)
{
if (! id->behaviours_key())
return false;
return id->behaviours_key()->value()->end() != id->behaviours_key()->value()->find("binary");
}
bool
paludis::resolver::can_chroot(const std::shared_ptr<const PackageID> & id)
{
if (! id->behaviours_key())
return true;
return id->behaviours_key()->value()->end() == id->behaviours_key()->value()->find("unchrootable");
}
namespace
{
struct BinaryDestinationGeneratorHandler :
AllGeneratorHandlerBase
{
virtual std::shared_ptr<const RepositoryNameSet> repositories(
const Environment * const env) const
{
using namespace std::placeholders;
std::shared_ptr<RepositoryNameSet> result(std::make_shared<RepositoryNameSet>());
for (auto r(env->package_database()->begin_repositories()),
r_end(env->package_database()->end_repositories()) ;
r != r_end ; ++r)
if (! (*r)->installed_root_key())
if ((*r)->destination_interface())
result->insert((*r)->name());
return result;
}
virtual std::string as_string() const
{
return "binary destination repositories";
}
};
struct BinaryDestinationGenerator :
Generator
{
BinaryDestinationGenerator() :
Generator(std::make_shared<BinaryDestinationGeneratorHandler>())
{
}
};
}
FilteredGenerator
paludis::resolver::destination_filtered_generator(
const Environment * const env,
const DestinationType t,
const Generator & g)
{
switch (t)
{
case dt_install_to_slash:
return g | filter::InstalledAtRoot(env->system_root_key()->value());
case dt_install_to_chroot:
return g | filter::InstalledNotAtRoot(env->system_root_key()->value());
case dt_create_binary:
return g & BinaryDestinationGenerator();
case last_dt:
break;
}
throw InternalError(PALUDIS_HERE, "unhandled dt");
}
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