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// cmdline_extract_cache_subset.cc
//
// Copyright (C) 2008-2010 Daniel Burrows
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of
// the License, or (at your option) any later version.
//
// 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 General Public License
// along with this program; see the file COPYING. If not, write to
// the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.
// Local includes:
#include "cmdline_extract_cache_subset.h"
#include "cmdline_util.h"
#include "terminal.h"
#include "text_progress.h"
#include <aptitude.h>
#include <generic/apt/apt.h>
#include <generic/apt/dump_packages.h>
#include <generic/apt/matching/match.h>
#include <generic/apt/matching/parse.h>
#include <generic/apt/matching/pattern.h>
#include <generic/util/util.h>
// System includes:
#include <apt-pkg/error.h>
#include <apt-pkg/progress.h>
#include <stdio.h>
using aptitude::cmdline::create_terminal;
using aptitude::cmdline::make_text_progress;
using aptitude::cmdline::terminal_io;
using boost::shared_ptr;
namespace aptitude
{
namespace cmdline
{
int extract_cache_subset(int argc, char *argv[])
{
if(argc < 2)
{
fprintf(stderr, _("extract-cache-entries: at least one argument is required (the directory\nto which to write files).\n"));
return -1;
}
const shared_ptr<terminal_io> term = create_terminal();
std::string out_dir = argv[1];
boost::shared_ptr<OpProgress> progress = make_text_progress(false, term, term, term);
apt_init(progress.get(), true);
if(_error->PendingError())
{
_error->DumpErrors();
return -1;
}
bool ok = true;
pkgset packages;
if(argc == 2)
{
for(pkgCache::PkgIterator pIt = (*apt_cache_file)->PkgBegin();
!pIt.end(); ++pIt)
packages.insert(pIt);
}
else
{
for(int i = 2; i < argc; ++i)
ok &= pkgset_from_string(&packages, argv[i]);
}
if(!ok)
{
_error->DumpErrors();
return 2;
}
aptitude::apt::make_truncated_state_copy(out_dir, packages);
bool copy_ok = !_error->PendingError();
_error->DumpErrors();
return copy_ok ? 0 : 1;
}
}
}
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