## Copyright (C) 2005-2015 Søren Hauberg
## Copyright (C) 2010 VZLU Prague, a.s.
##
## This file is part of Octave.
##
## Octave 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.
##
## Octave 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 Octave; see the file COPYING.  If not, see
## <http://www.gnu.org/licenses/>.

## -*- texinfo -*-
## @deftypefn {Function File} {} verify_directory (@var{dir})
## Undocumented internal function.
## @end deftypefn

## Make sure the package contains the essential files.
function verify_directory (dir)
  needed_files = {"COPYING", "DESCRIPTION"};
  for f = needed_files
    if (! exist (fullfile (dir, f{1}), "file"))
      error ("package is missing file: %s", f{1});
    endif
  endfor
endfunction