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/**************************************************************************
* Copyright (C) 2010-2011 by Eugene V. Lyubimkin *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License *
* (version 3 or above) as published by the Free Software Foundation. *
* *
* This program 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 GPL *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA *
**************************************************************************/
#include <iostream>
using std::cout;
using std::endl;
#include <cupt/system/snapshots.hpp>
#include <cupt/system/worker.hpp>
#include "../handlers.hpp"
int snapshot(Context& context)
{
if (context.unparsed.size() >= 2 && context.unparsed[0] == "load")
{
// handling 'snapshot load' subcommand
context.unparsed.erase(context.unparsed.begin()); // cutting 'load'
return managePackages(context, ManagePackages::LoadSnapshot);
}
vector< string > arguments;
bpo::options_description noOptions;
auto variables = parseOptions(context, noOptions, arguments);
if (arguments.empty())
{
fatal2(__("the action is not specified"));
}
string action = arguments[0];
arguments.erase(arguments.begin());
auto config = context.getConfig();
Snapshots snapshots(config);
if (action == "list")
{
checkNoExtraArguments(arguments);
auto snapshotNames = snapshots.getSnapshotNames();
for (const auto& name: snapshotNames)
{
cout << name << endl;
}
}
else if (action == "save" || action == "remove")
{
if (arguments.empty())
{
fatal2(__("no snapshot name specified"));
}
string snapshotName = arguments[0];
arguments.erase(arguments.begin());
checkNoExtraArguments(arguments);
if (action == "save")
{
auto cache = context.getCache(false, false, true);
Worker worker(config, cache);
worker.saveSnapshot(snapshots, snapshotName);
}
else // remove
{
auto cache = context.getCache(false, false, false);
Worker worker(config, cache);
worker.removeSnapshot(snapshots, snapshotName);
}
}
else if (action == "rename")
{
if (arguments.empty())
{
fatal2(__("no previous snapshot name specified"));
}
string oldSnapshotName = arguments[0];
if (arguments.size() < 2)
{
fatal2(__("no new snapshot name specified"));
}
string newSnapshotName = arguments[1];
arguments.erase(arguments.begin(), arguments.begin() + 2);
checkNoExtraArguments(arguments);
auto cache = context.getCache(false, false, false);
Worker worker(config, cache);
worker.renameSnapshot(snapshots, oldSnapshotName, newSnapshotName);
}
else
{
fatal2(__("unsupported action '%s'"), action);
}
return 0;
}
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