#!/usr/bin/env bash

# constants

## functions

function on_error {
  code="${1:-0}"
  >&2 echo on_error: $$ $BASHPID
  if [[ $$ == "$BASHPID" ]]; then
    >&2 echo "${BASH_SOURCE[1]}: line ${BASH_LINENO[0]}: command_error: ${code}"
    exit "$code"
  else
    >&2 echo "${BASH_SOURCE[1]}: line ${BASH_LINENO[0]}: subshell_error: ${code}"
    kill -PIPE $$
  fi
  # kill -INT $BASHPID
  # kill -INT $$
}

function on_exit {
  code="${1:-0}"
  echo "on_exit $code"
}

function on_pipe {
  >&2 echo on_pipe: $$ $BASHPID
  #TODO: compute code from latest sterr in case of command_error
  code="${1:-24}" # 24 => CTRL-C

  trap - EXIT ERR PIPE
  exit "$code"
}

## main

set -euo pipefail
set -T # DEBUG RETURN
set -E # ERR on subshell
# set -b

trap 'on_error $?' ERR
trap 'on_exit $?' EXIT
trap 'on_pipe' PIPE

echo "${BASHPID}"

source ./test/stub/scenario.bash subshell_term