#include "shell.hpp"

// change the working directory
void shell::c_cd (std::string args)
{
  // have a nice default
  if ( args.empty() )
  {
    cwd_.change_dir (home_);
    return;
  }

  // we actually try a real cd.  If that fails, we try to create a new dir
  // instance with the arg, in case its switching to another namespace...
  // That's also why we don't bother about sanity checks at the moment.
  try
  {
    // do! :-)
    cwd_.change_dir (args);
  }

  catch ( const saga::exception & /*e*/ )
  {
    // lets try the fallback
    saga::name_space::directory new_cwd (args, saga::name_space::ReadWrite);
    cwd_ = new_cwd;
  }

  return;
}