Add redshift

user/redshift/.config/redshift/hooks/brigtness.sh

@@ -0,0 +1,27 @@
+#!/bin/sh
+
+# Set brightness via xbrightness when redshift status changes
+
+# Set brightness values for each status.
+# Range from 1 to 100 is valid
+brightness_day="100"
+brightness_transition="50"
+brightness_night="20"
+# Set fade time for changes to one minute
+fade_time=60000
+
+case $1 in
+	period-changed)
+		case $3 in
+			night)
+				xbacklight -set $brightness_night -time $fade_time
+				;;
+			transition)
+				xbacklight -set $brightness_transition -time $fade_time
+				;;
+			daytime)
+				xbacklight -set $brightness_day -time $fade_time
+				;;
+		esac
+		;;
+esac