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dotfiles/tmux/powerline/segments/battery.sh
2019-01-12 18:22:02 +01:00

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# LICENSE This code is not under the same license as the rest of the project as it's "stolen". It's cloned from https://github.com/richoH/dotfiles/blob/master/bin/battery and just some modifications are done so it works for my laptop. Check that URL for more recent versions.
TMUX_POWERLINE_SEG_BATTERY_TYPE_DEFAULT="percentage"
TMUX_POWERLINE_SEG_BATTERY_NUM_HEARTS_DEFAULT=5
HEART_FULL="♥"
HEART_EMPTY="♡"
generate_segmentrc() {
read -d '' rccontents << EORC
# How to display battery remaining. Can be {percentage, cute}.
export TMUX_POWERLINE_SEG_BATTERY_TYPE="${TMUX_POWERLINE_SEG_BATTERY_TYPE_DEFAULT}"
# How may hearts to show if cute indicators are used.
export TMUX_POWERLINE_SEG_BATTERY_NUM_HEARTS="${TMUX_POWERLINE_SEG_BATTERY_NUM_HEARTS_DEFAULT}"
EORC
echo "$rccontents"
}
run_segment() {
__process_settings
if shell_is_osx; then
battery_status=$(__battery_osx)
else
battery_status=$(__battery_linux)
fi
[ -z "$battery_status" ] && return
case "$TMUX_POWERLINE_SEG_BATTERY_TYPE" in
"percentage")
output="${HEART_FULL} ${battery_status}%"
;;
"cute")
output=$(__cutinate $battery_status)
esac
if [ -n "$output" ]; then
echo "$output"
fi
}
__process_settings() {
if [ -z "$TMUX_POWERLINE_SEG_BATTERY_TYPE" ]; then
export TMUX_POWERLINE_SEG_BATTERY_TYPE="${TMUX_POWERLINE_SEG_BATTERY_TYPE_DEFAULT}"
fi
if [ -z "$TMUX_POWERLINE_SEG_BATTERY_NUM_HEARTS" ]; then
export TMUX_POWERLINE_SEG_BATTERY_NUM_HEARTS="${TMUX_POWERLINE_SEG_BATTERY_NUM_HEARTS_DEFAULT}"
fi
}
__battery_osx() {
ioreg -c AppleSmartBattery -w0 | \
grep -o '"[^"]*" = [^ ]*' | \
sed -e 's/= //g' -e 's/"//g' | \
sort | \
while read key value; do
case $key in
"MaxCapacity")
export maxcap=$value;;
"CurrentCapacity")
export curcap=$value;;
"ExternalConnected")
export extconnect=$value;;
"FullyCharged")
export fully_charged=$value;;
esac
if [[ -n $maxcap && -n $curcap && -n $extconnect ]]; then
if [[ "$curcap" == "$maxcap" || "$fully_charged" == "Yes" && $extconnect == "Yes" ]]; then
return
fi
charge=`pmset -g batt | grep -o "[0-9][0-9]*\%" | rev | cut -c 2- | rev`
if [[ "$extconnect" == "Yes" ]]; then
echo "$charge"
else
if [[ $charge -lt 50 ]]; then
echo -n "#[fg=red]"
fi
echo "$charge"
fi
break
fi
done
}
__battery_linux() {
case "$SHELL_PLATFORM" in
"linux")
BATPATH=/sys/class/power_supply/BAT0
if [ ! -d $BATPATH ]; then
BATPATH=/sys/class/power_supply/BAT1
fi
STATUS=$BATPATH/status
BAT_FULL=$BATPATH/charge_full
if [ ! -r $BAT_FULL ]; then
BAT_FULL=$BATPATH/energy_full
fi
BAT_NOW=$BATPATH/charge_now
if [ ! -r $BAT_NOW ]; then
BAT_NOW=$BATPATH/energy_now
fi
if [ "$1" = `cat $STATUS` -o "$1" = "" ]; then
__linux_get_bat
fi
;;
"bsd")
STATUS=`sysctl -n hw.acpi.battery.state`
case $1 in
"Discharging")
if [ $STATUS -eq 1 ]; then
__freebsd_get_bat
fi
;;
"Charging")
if [ $STATUS -eq 2 ]; then
__freebsd_get_bat
fi
;;
"")
__freebsd_get_bat
;;
esac
;;
esac
}
__cutinate() {
perc=$1
inc=$(( 100 / $TMUX_POWERLINE_SEG_BATTERY_NUM_HEARTS ))
for i in `seq $TMUX_POWERLINE_SEG_BATTERY_NUM_HEARTS`; do
if [ $perc -lt 99 ]; then
echo -n $HEART_EMPTY
else
echo -n $HEART_FULL
fi
echo -n " "
perc=$(( $perc + $inc ))
done
}
__linux_get_bat() {
bf=$(cat $BAT_FULL)
bn=$(cat $BAT_NOW)
echo $(( 100 * $bn / $bf ))
}
__freebsd_get_bat() {
echo "$(sysctl -n hw.acpi.battery.life)"
}