blob: b35094feb3aaea06fb75b6637521bc5cda019722 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
#!/bin/sh
# Detect AC power or not in a portable way
# Copyright (c) 2007-2009 Roy Marples <roy@marples.name>
# Exit 0 if on AC power, 1 if not and 255 if we don't know how to work it out
if [ -f /proc/acpi/ac_adapter/*/state ]; then
cat /proc/acpi/ac_adapter/*/state | while read line; do
case "$line" in
"state:"*"off-line") exit 128;;
esac
done
elif [ -f /sys/class/power_supply/*/online ]; then
cat /sys/class/power_supply/*/online | while read line; do
[ "${line}" = 0 ] && exit 128
done
elif [ -f /proc/pmu/info ]; then
cat /proc/pmu/info | while read line; do
case "$line" in
"AC Power"*": 0") exit 128;;
esac
done
elif command -v envstat >/dev/null 2>&1; then
# NetBSD has envstat
envstat -d acpiacad0 2>/dev/null | while read line; do
case "$line" in
"connected:"*"OFF") exit 128;;
esac
done
elif sysctl -q hw.acpi.acline >/dev/null 2>/dev/null; then
case $(sysctl -n hw.acpi.acline) in
0) exit 1;;
*) exit 0;;
esac
else
exit 255
fi
[ $? != 128 ]
|
