#   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, either version 3 of the License, or
#   (at your option) any later version.
#
#   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, see <http://www.gnu.org/licenses/>.
#
# post-bash-5.2 changes to make readonly/export operate on arrays at previous
# local scopes the way they operate on scalars

declare string
declare -i int
declare -a array

init_vars ()
{
  readonly string="foo"  readonly int=100  readonly array=(1 2)
  # Print the (hopefully) readonly variables 
  echo inside init_vars acting on previous scope
  local -p string int array
}

echo global initial
declare -p string int array

# make readonly operate on local variables at a previous context
foo ()
{
  local string  ; local -i int  ; local -a array
  init_vars
  echo inside foo, after init_vars
  local -p string int array
}

foo
echo global after foo
declare -p string int array

unset -f foo

init_vars2 ()
{
  readonly int=100+42
  echo init_vars2
  local -p int		# previous scope, not local here
}

foo2 ()
{
  local -i int
  init_vars2
  echo foo2, after init_vars2
  local -p int
}
foo2

echo global after calling foo2
declare -p int

foo3()
{
  init_vars
}

foo3
echo global values after foo placeholder
declare -p string int array