source: trunk/debathena/third/schroot/bin/dchroot-dsa/dchroot-dsa-options.cc @ 24167

/* Copyright © 2005-2007  Roger Leigh <rleigh@debian.org>
 *
 * schroot 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 3 of the License, or
 * (at your option) any later version.
 *
 * schroot 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, see
 * <http://www.gnu.org/licenses/>.
 *
 *********************************************************************/

#include <config.h>

#include "dchroot-dsa-options.h"

#include <sbuild/sbuild-util.h>

#include <cstdlib>
#include <iostream>

#include <boost/format.hpp>
#include <boost/program_options.hpp>

using std::endl;
using sbuild::_;
using boost::format;
namespace opt = boost::program_options;
using namespace dchroot_dsa;

options::options ():
  schroot::options_base()
{
}

options::~options ()
{
}

void
options::add_options ()
{
  // Chain up to add general schroot options.
  schroot::options_base::add_options();

  actions.add_options()
    ("listpaths,p",
     _("Print paths to available chroots"));

  chroot.add_options()
    ("all,a",
     _("Select all chroots"));

  chrootenv.add_options()
    ("directory,d", opt::value<std::string>(&this->directory),
     _("Directory to use"));
}

void
options::check_options ()
{
  // Chain up to check general schroot options.
  schroot::options_base::check_options();

  if (vm.count("listpaths"))
    this->action = ACTION_LOCATION;

  if (vm.count("all"))
    {
      this->all = false;
      this->all_chroots = true;
      this->all_sessions = false;
    }

  // Always preserve environment.
  this->preserve = true;

  // If no chroots specified, use the first non-option.
  if (this->chroots.empty() && !this->command.empty())
    {
      this->chroots.push_back(this->command[0]);
      this->command.erase(this->command.begin());
    }

  // dchroot-dsa only allows one command.
  if (this->command.size() > 1)
    throw opt::validation_error(_("Only one command may be specified"));

  if (!this->command.empty() &&
      !sbuild::is_absname(this->command[0]))
    throw opt::validation_error(_("Command must have an absolute path"));

  if (this->chroots.empty() && !all_used() &&
      (this->action != ACTION_CONFIG &&
       this->action != ACTION_INFO &&
       this->action != ACTION_LIST &&
       this->action != ACTION_LOCATION &&
       this->action != ACTION_HELP &&
       this->action != ACTION_VERSION))
    throw opt::validation_error(_("No chroot specified"));
}