mirror of
https://github.com/edgelesssys/constellation.git
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63 lines
1.2 KiB
Bash
63 lines
1.2 KiB
Bash
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#!/usr/bin/env bash
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set -euo pipefail
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set -o errtrace
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shopt -s inherit_errexit
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function printErr {
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echo -e "\033[0;31mERROR:\033[0m ${1}"
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}
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function _exitHandler {
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local exit_code=$1
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if [[ ${exit_code} -ne 0 ]]; then
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printErr "$0: exit status ${exit_code}"
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fi
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}
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function _errorHandler {
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local line=$1
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local linecallfunc=$2
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local command="$3"
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local funcstack="$4"
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printErr "$0: '${command}' failed at line ${line}"
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if [[ ${funcstack} != "::" ]]; then
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echo -ne "\tin ${funcstack} "
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if [[ ${linecallfunc} != "" ]]; then
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echo "called at line ${linecallfunc}"
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else
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echo
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fi
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fi
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}
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_exitHandlers=()
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_errorHandlers=()
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function registerExitHandler {
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_exitHandlers+=("$1")
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}
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function registerErrorHandler {
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_errorHandler+=("$1")
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}
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function _callExitHandlers {
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_exitHandlers+=(_exitHandler) # Add our handler last.
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for h in "${_exitHandlers[@]}"; do
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${h} "$@"
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done
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}
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function _callErrorHandlers {
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_errorHandlers+=(_errorHandler) # Add our handler last.
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for h in "${_errorHandlers[@]}"; do
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${h} "$@"
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done
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}
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trap '_callErrorHandlers $LINENO $BASH_LINENO "$BASH_COMMAND" $(printf "::%s" ${FUNCNAME[@]:-})' ERR
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trap '_callExitHandlers $?' EXIT
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