#  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.
######################################################################
#
# File editing
#
# Normal ordering:
# - delete
# - replace | column_edit
# - insert
# 
######################################################################
body common control
{
  version => "1.2.3";
  bundlesequence => { "example" };
}

########################################################
bundle agent example
{
  files:
    "/home/mark/tmp/cf3_test"
      create => "true",
      edit_line => myedit("second");
}

########################################################
bundle edit_line myedit(parameter)
{
  vars:
    "edit_variable" string => "private edit variable is $(parameter)";

  replace_patterns:
    # replace shell comments with C comments
    "#(.*)"
      replace_with => C_comment,
      select_region => MySection("New section");
}

########################################
# Bodies
########################################
body replace_with C_comment
{
  replace_value => "/* $(match.1) */"; # backreference 0
  occurrences => "all"; # first, last all
}

########################################################
body select_region MySection(x)
{
  select_start => "\[$(x)\]";
  select_end => "\[.*\]";
}
