env.sh

################################################################################
# MIT License
#
# Copyright (c) 2017 Aludirk Wong <aludirkwong@gmail.com>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
################################################################################

#!/usr/bin/env bash

pushd "$(dirname "${BASH_SOURCE[0]}")" &> /dev/null
source '.core.sh'
popd &> /dev/null

################################################################################
# Extract the key-value pairs in the given file as environment variables.
#
# Usage: load_env_file <file>
#
# Parameters:
#   file [in] The environment file.
#
# Returns:
#   ${LIB_BASH_ERROR_FILE_NOT_EXIST}
################################################################################
function load_env_file()
{
  local _lblef_env_file="${1}"

  if [[ ! -f "${_lblef_env_file}" ]]; then
    error_code ${LIB_BASH_ERROR_FILE_NOT_EXIST}
    return ${?}
  fi

  set -a
  . "${_lblef_env_file}"
  set +a

  return 0
}