#  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 => { "bun" };
}

########################################################
bundle agent bun
{
  vars:
    "userset" slist => { "one", "two", "three" };

  files:
    # Make a copy of the password file
    "/home/mark/tmp/passwd"
      create => "true",
      edit_line => set_user_field("mark", "6", "/home/dir");

    "/home/mark/tmp/group"
      create => "true",
      edit_line => append_user_field("wheel", "4", "@(bun.userset)");
}

########################################################
bundle edit_line set_user_field(user, field, val)
{
  field_edits:
    "$(user).*"
      # Set field of the file to parameter
      edit_field => col(":", "$(field)", "$(val)", "set");
}

########################################################
bundle edit_line append_user_field(user, field, allusers)
{
  vars:
    "val" slist => { @(allusers) };

  field_edits:
    "$(user).*"
      # Set field of the file to parameter
      edit_field => col(":", "$(field)", "$(val)", "alphanum");
}

########################################
# Bodies
########################################
body edit_field col(split, col, newval, method)
{
  field_separator => "$(split)";
  select_field => "$(col)";
  value_separator => ",";
  field_value => "$(newval)";
  field_operation => "$(method)";
  extend_fields => "true";
  allow_blank_fields => "true";
}
