#!/bin/bash
# Copyright (C) 2015 Ian Kelling

# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at

#     http://www.apache.org/licenses/LICENSE-2.0

# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

errexit() {
    # usage: errexit [EXIT_CODE] [MESSAGE]
    exec >&2
    code=1
    if [[ $@ ]]; then
        if [[ ${1/[^0-9]/} == "$1" ]]; then
            code=$1
            if [[ $2 ]]; then
                echo "$2"
            fi
        else
            echo "$0: $1"
        fi
    fi
    echo "${BASH_SOURCE[1]}:${BASH_LINENO[0]}"
    bash-trace 2
    echo "$0: exiting with code $code"
    exit $err
}