30 lines
992 B
Plaintext
30 lines
992 B
Plaintext
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#!/bin/bash
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set -o nounset
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set -o errexit
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set -o pipefail
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shopt -s dotglob
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# SPDX-License-Identifier: MIT
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# This script should be executed every 5 minutes by a cron job `/etc/cron.d/armbian-check-battery`.
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# It checks if battery is discharging and battery level is more than 10%. If less, then start a system shutdown.
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# Script uses `batteryinfo` function from `30-armbian-sysinfo` file of Armbian distribution.
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BATTERY_PERCENT_MIN='10'
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# Include functions:
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# getboardtemp()
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# batteryinfo()
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# ambienttemp()
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source /usr/lib/armbian/armbian-allwinner-battery
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batteryinfo
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# `status_battery_text` has a leading whitespace
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if [ "$status_battery_connected" == '1' ] && [[ "$status_battery_text" =~ [[:space:]]*discharging ]]; then
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# When no battery connected, variable `battery_percent` is not defined!
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if [ "$battery_percent" -lt "$BATTERY_PERCENT_MIN" ]; then
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logger --tag cron_check_battery_shutdown "battery_percent = $battery_percent, running shutdown"
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shutdown -h +1
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fi
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fi
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