Bash error handler, with stacktrace with clickable file:line links (in IntelliJ)

error-handler-snippet.sh

trap onError ERR

onError() {
    local exitCode=$? command=(${BASH_COMMAND})

    if [[ ${BASH_SUBSHELL} -gt 0 ]]; then
        exit ${exitCode}
    fi

    echo -e "\nERROR: Failed with exit code $exitCode when executing: ${command[@]}" >&2

    local i j
    for ((i = 1; i < ${#FUNCNAME[@]} - 1; i++)); do
        let j=i-1 || true
        echo "  at .${FUNCNAME[i]}(${BASH_SOURCE[i]#./}:${BASH_LINENO[j]})" >&2
    done

    exit ${exitCode}
}