71 lines
2.3 KiB
Bash
71 lines
2.3 KiB
Bash
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#!/usr/bin/env bash
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#
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# SPDX-License-Identifier: GPL-2.0
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#
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# Copyright (c) 2013-2023 Igor Pecovnik, igor@armbian.com
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#
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# This file is a part of the Armbian Build Framework
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# https://github.com/armbian/build/
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# This exits, unless user presses ENTER. If not interactive, user will be unable to comply and the script will exit.
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function exit_if_countdown_not_aborted() {
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# parse
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declare -i loops="${1}"
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declare reason="${2}"
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# validate
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[[ -z "${loops}" ]] && exit_with_error "countdown_to_exit_or_just_exit_if_noninteractive() called without a number of loops"
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[[ -z "${reason}" ]] && exit_with_error "countdown_to_exit_or_just_exit_if_noninteractive() called without a reason"
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# If not interactive, just exit.
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if [[ ! -t 0 ]]; then
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exit_with_error "Exiting due to '${reason}' - not interactive, exiting immediately."
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fi
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display_alert "Problem detected" "${reason}" "err"
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display_alert "Exiting in ${loops} seconds" "Press <Ctrl-C> to abort, <Enter> to ignore and continue" "err"
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echo -n "Counting down: " >&2
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for i in $(seq 1 "${loops}"); do
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declare stop_waiting=0
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declare keep_waiting=0
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timeout --foreground 1 bash -c "read -n1; echo \$REPLY" && stop_waiting=1 || keep_waiting=1
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if [[ "$stop_waiting" == "1" ]]; then
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display_alert "User pressed ENTER, continuing, albeit" "${reason}" "wrn"
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return 0
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fi
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echo -n "$((loops - i))... " >&2
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done
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echo "" >&2 # No newlines during countdown, so break one here
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# Countdown finished, exit.
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exit_with_error "Exiting due to '${reason}'"
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}
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function countdown_and_continue_if_not_aborted() {
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# parse
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declare -i loops="${1}"
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# validate
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[[ -z "${loops}" ]] && exit_with_error "countdown_and_continue_if_not_aborted() called without a number of loops"
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# If not interactive, just return 0.
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if [[ ! -t 0 ]]; then
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display_alert "not interactive" "continuing without countdown" "info"
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return 0
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fi
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echo -n "Counting down: " >&2
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for i in $(seq 1 "${loops}"); do
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declare stop_waiting=0
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declare keep_waiting=0
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timeout --foreground 1 bash -c "read -n1; echo \$REPLY" && stop_waiting=1 || keep_waiting=1
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if [[ "$stop_waiting" == "1" ]]; then
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display_alert "User pressed a key, continuing faster..." "" "info"
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return 0
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fi
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echo -n "$((loops - i))... " >&2
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done
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echo "" >&2 # No newlines during countdown, so break one here
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return 0
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}
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