#  Copyright 2021 Northern.tech AS
#  This file is part of CFEngine 3 - written and maintained by Northern.tech AS.
#  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; version 3.
#  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; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
# To the extent this program is licensed as part of the Enterprise
# versions of Cfengine, the applicable Commercial Open Source License
# (COSL) may apply to this file if you as a licensee so wish it. See
# included file COSL.txt.
#+begin_src cfengine3
bundle agent main
{
  classes:
    "example_one";
    "example_two" meta => { "plus", "defined_from=$(this.bundle)" };
    "example_three" meta => { "plus", "defined_from=$(this.bundle)" };

  vars:
    "cfengine_classes" slist => sort(classesmatching("cfengine"), lex);

    "example_with_plus"
      slist => sort(classesmatching("example.*", "plus"), lex);

  reports:
    # you may find this list of all classes interesting but it
    # produces different output every time, so it's commented out here
    # "All classes = '$(all)'";
    "Classes matching 'cfengine' = '$(cfengine_classes)'";

    # this should produce no output
    "Classes matching 'example.*' with the 'plus' tag = $(example_with_plus)";
}

#+end_src
###############################################################################
#+begin_src example_output
#@ ```
#@ R: Classes matching 'cfengine' = 'cfengine'
#@ R: Classes matching 'example.*' with the 'plus' tag = example_three
#@ R: Classes matching 'example.*' with the 'plus' tag = example_two
#@ ```
#+end_src
