.bash_safe_source

#!/usr/bin/env bash
# shellcheck disable=SC1091
# vim: ft=bash
# © Copyright 2021 Konstantin Gredeskoul
# Part of BASHMATIC framework.

set +e

function is-debug() {
  export DEBUG=${DEBUG:-0}
  export BASHMATIC_DEBUG=${BASHMATIC_DEBUG:-0}
  export BASHMATIC_PATH_DEBUG=${BASHMATIC_PATH_DEBUG:-0}
  local sum=$(( DEBUG + BASHMATIC_DEBUG + BASHMATIC_PATH_DEBUG ))
  if [[ ${sum} -gt 0 ]]; then
    return 0
  else
    return 1
  fi
}

function debug-info() {
  is-debug || return
  printf "${txtblk}${bakgrn} [debug] ➔ ${clr} ${bldgrn}%-60.60s${clr}${bldgrn}$2" "$1"
  [[ -n $3 ]] && eval "$3"
}

function debug-error() {
  is-debug || return
  printf "${txtblk}${bakred} [error] ➔ ${clr} ${bldred}%-60.60s${clr}${txtred}$2" "$1"
  [[ -n $3 ]] && eval "$3"
}

function result-ok() {
  is-debug && printf "${bldwht}${bakgrn}[ ✔︎ ]${clr}\n"
}

function result-failure() {
  is-debug && printf "${bldwht}${bakred}[ ✘ ]${clr}"
  if [[ $1 =~ ([0-9]) ]] ; then
    printf " [ exit code=$1 ]\n"
  else
    echo
  fi
}

is-debug && BASHMATIC_DEBUG=1
is-debug || unset BASHMATIC_DEBUG

if is-debug; then
  # shellcheck source=./.envrc.debug.on
  source "${BASHMATIC_HOME}/.envrc.debug.on"
else
  # shellcheck source=./.envrc.debug.off
  source "${BASHMATIC_HOME}/.envrc.debug.off"
fi

function source_if_exists() {
  for file in "$@"; do
    if [[ -s "${file}" ]]; then
      debug-info "${file}"
      # shellcheck source=./${file}
      source "${file}"
      local code=$?
      if ((code)); then
        result-failure ${code}
      else
        result-ok
      fi
    else
      debug-error "File [$file] does not exist."
    fi
  done

  return ${code}
}