| 1 | #!/bin/bash |
| 2 | # Copyright (C) 2014 Ian Kelling |
| 3 | |
| 4 | # Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | # you may not use this file except in compliance with the License. |
| 6 | # You may obtain a copy of the License at |
| 7 | |
| 8 | # http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | |
| 10 | # Unless required by applicable law or agreed to in writing, software |
| 11 | # distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | # See the License for the specific language governing permissions and |
| 14 | # limitations under the License. |
| 15 | |
| 16 | # on non-zero return codes outside of if/else,etc, print failure, stack trace, and exit |
| 17 | # depends on bash-trace function |
| 18 | errcatch() { |
| 19 | set -E; shopt -s extdebug |
| 20 | _err-trap() { |
| 21 | err=$? |
| 22 | exec >&2 |
| 23 | echo "${BASH_SOURCE[1]}:${BASH_LINENO[0]}:in \`$BASH_COMMAND' returned $err" |
| 24 | bash-trace 2 |
| 25 | echo "$0: exiting with code $err" |
| 26 | exit $err |
| 27 | } |
| 28 | trap _err-trap ERR |
| 29 | set -o pipefail |
| 30 | } |