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#!/bin/bash
renice -n 19 $$
ionice -c 3 -p $$
# NIGHT_GAMMA=95
NIGHT_TEMP=5500
NORMAL_TEMP=6000
SUNRISE_HOUR=6
SUNSET_HOUR=20
set -E
trap '
CMD="$BASH_COMMAND"
hyprsunset &
$BASH_COMMAND' ERR
apply_settings() {
current_hour=$(date +%H | sed 's/^0//')
if [ $current_hour -ge $SUNRISE_HOUR -a $current_hour -lt $SUNSET_HOUR ]; then
echo "Applying day settings"
# hyprctl hyprsunset identity
hyprctl hyprsunset temperature $NORMAL_TEMP
else
echo "Applying night settings"
# hyprctl hyprsunset gamma $NIGHT_GAMMA
hyprctl hyprsunset temperature $NIGHT_TEMP
fi
}
calculate_sleep_time() {
current_hour=$(date +%H | sed 's/^0//')
current_min=$(date +%M | sed 's/^0//')
if [ $current_hour -ge $SUNRISE_HOUR -a $current_hour -lt $SUNSET_HOUR ]; then
hours_until_sunset=$((SUNSET_HOUR - current_hour - 1))
mins_until_sunset=$((60 - current_min))
sleep_seconds=$(( (hours_until_sunset * 3600) + (mins_until_sunset * 60) ))
else
if [ $current_hour -lt $SUNRISE_HOUR ]; then
hours_until_sunrise=$(($SUNRISE_HOUR - $current_hour - 1))
mins_until_sunrise=$((60 - $current_min))
else
hours_until_sunrise=$(($SUNRISE_HOUR + 24 - $current_hour - 1))
mins_until_sunrise=$((60 - $current_min))
fi
sleep_seconds=$(( (hours_until_sunrise * 3600) + (mins_until_sunrise * 60) ))
fi
echo $sleep_seconds
}
while true; do
if [ ! -S $XDG_RUNTIME_DIR/hypr/$HYPRLAND_INSTANCE_SIGNATURE/.hyprsunset.sock ]; then
echo "Hyprsunset not running, running it via hyprctl dispatch"
hyprctl dispatch "hl.dsp.exec_raw('hyprsunset')"
fi
apply_settings
sleep_time=$(calculate_sleep_time)
printf "Sleeping for %d hours and %d minutes (%d seconds)\n" $((sleep_time / 3600)) $(((sleep_time % 3600) / 60)) $sleep_time
sleep $sleep_time
done
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