hyprsunset: use IPC instead of kill/restarting hyprsunset

1 files changed, 54 insertions, 6 deletions

diff --git a/hyprsunset.sh b/hyprsunset.sh
index 680e9cb..d6fb13a 100755
--- a/hyprsunset.sh
+++ b/hyprsunset.sh
@@ -1,9 +1,57 @@
 #!/bin/bash
 
-time=$(date +%H)
+renice -n 19 $$
+ionice -c 3 -p $$
 
-if [ $time -ge 6 -a $time -lt 20 ]; then
-    killall hyprsunset
-else
-    hyprsunset &
-fi
+NIGHT_GAMMA=95
+NIGHT_TEMP=5000
+SUNRISE_HOUR=6
+SUNSET_HOUR=20
+
+apply_settings() {
+  current_hour=$(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
+  else
+    echo "Applying night settings"
+    hyprctl hyprsunset temperature $NIGHT_TEMP
+    hyprctl hyprsunset gamma $NIGHT_GAMMA
+  fi
+}
+
+calculate_sleep_time() {
+  current_hour=$(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 $sleep_seconds
+}
+
+while true; do
+  if [ ! -d /run/user/$UID/hypr/hyprsunset ]; then
+    echo "Hyprsunset not running, running it via hyprctl dispatch"
+    hyprctl dispatch execr 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