#!/bin/sh
# SPDX-License-Identifier: BSD-3-Clause
me=$0
scriptversion="1.0.0"

version="$me $scriptversion

Copyright (C) 2025 GCK.
This is free software; you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law."

usage="\
Usage: $me [OPTION]...
Prepares the build enviroment

Options:

   --help     print this help and exit
   --version  output version information"

while [ $# -gt 0 ]; do
  case $1 in
    --help) echo "$usage"; exit 0 ;;
    --version) echo "$version"; exit 0 ;;
    -*)
      echo "$0: Unknown option '$1'." >&2
      echo "$0: Try '--help' for more information." >&2
      exit 1 ;;
  esac
  shift
done


echo "$0: Bootstrapping from checked-out $(basename "$(git rev-parse --show-toplevel)") sources"

if [ ! -f .gitmodules ]; then
    echo "$0: No .gitmodules file found. Skipping submodule initialization."
    exit 0
fi

git config -f .gitmodules --get-regexp path | while read -r key path; do
    echo "$0: initializing submodule '$path'..."
    git submodule update --init --recursive "$path"
done