import_dockerized_norlab_tools.bash

#!/bin/bash
# =================================================================================================
# Import Dockerized-NorLab function library and dependencies
#
# Usage in a interactive terminal session:
#
#   $ cd <path/to/dockerized-norlab/>
#   $ PROJECT_PROMPT_NAME=MySuperProject
#   $ source import_dockerized_norlab_tools.bash
#
# Usage from within a shell script:
#
#   #!/bin/bash
#   cd <my/superproject/root>/utilities/dockerized-norlab
#   source import_dockerized_norlab_tools.bash
#
# =================================================================================================

MSG_DIMMED_FORMAT="\033[1;2m"
MSG_ERROR_FORMAT="\033[1;31m"
MSG_END_FORMAT="\033[0m"

function dn::source_lib() {

  # ....Setup......................................................................................
  # Note: Use local var approach for dir handling in lib import script has its more robust in case
  #       of nested error (instead of the pushd approach).
  local TMP_CWD
  TMP_CWD=$(pwd)

  # Note: can handle both sourcing cases
  #   i.e. from within a script or from an interactive terminal session
  _PATH_TO_SCRIPT="$(realpath "${BASH_SOURCE[0]:-'.'}")"
  DN_ROOT="$(dirname "${_PATH_TO_SCRIPT}")"

  # ....Load environment variables from file.......................................................
  cd "${DN_ROOT}" || exit 1
  set -o allexport
  source .env.dockerized-norlab-project
  set +o allexport

  # ....Source DN dependencies.....................................................................
  # . . Import NBS lib . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..
  set -o allexport
  source .env.dockerized-norlab-build-system
  set +o allexport

  cd "${NBS_PATH:?"Variable not set"}" || exit 1
  source "import_norlab_build_system_lib.bash"

  # . . Import N2ST lib . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
  cd "${DN_ROOT}" || exit 1
  set -o allexport
  source .env.dockerized-norlab-build-system
  set +o allexport

  # Note: Import last so that N2ST_PATH point to the DN submodule path instead of NBS submodule path
  cd "${N2ST_PATH:?"Variable not set"}" || exit 1
  source "import_norlab_shell_script_tools_lib.bash"

  #  # ....Source DN functions.......................................................................
  #  cd "${NBS_PATH}/src/function_library" || exit 1
  #  for each_file in "$(pwd)"/*.bash ; do
  #      source "${each_file}"
  #  done

  # Set reference that the DN tools where imported with this script
  export DN_IMPORTED=true

  # ....Teardown...................................................................................
  cd "${TMP_CWD}" || { echo "Return to original dir error" 1>&2 && exit 1; }
}

# ::::Main:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
if [[ "${BASH_SOURCE[0]}" = "$0" ]]; then
  # This script is being run, ie: __name__="__main__"
  echo -e "${MSG_ERROR_FORMAT}[ERROR]${MSG_END_FORMAT} This script must be sourced i.e.: $ source $(basename "$0")" 1>&2
  exit 1
else
  # This script is being sourced, ie: __name__="__source__"
  dn::source_lib
fi