fix: .local/bin -> bin to avoid user pkg managers

bin/set-light

@@ -0,0 +1,43 @@
+#!/bin/bash
+set -e
+shopt -s extglob nullglob
+
+set_brightness() {
+    MAX="$(cat "$1"/max_brightness)"
+    FILE="$1"/brightness
+    VAL="$(($2 * MAX / 100 + 1))"
+
+    [ "$VAL" -lt 0 ] && VAL=0
+    [ "$VAL" -gt "$MAX" ] && VAL="$MAX"
+    echo "$VAL" > "$FILE"
+}
+
+CUR_FILE=/var/tmp/current_brightness
+
+set +e
+CUR="$(cat "$CUR_FILE" || echo 50)"
+set -e
+
+CUR="$((CUR - CUR % "$1"))"
+
+case "${1:0:1}" in
+    '')
+        exit 1
+        ;;
+    '+'|'-')
+        NEW="$((CUR + "$1"))"
+        ;;
+    *)
+        NEW="$1"
+        ;;
+esac
+
+[ "$NEW" -lt 0 ] && NEW=0
+[ "$NEW" -gt 100 ] && NEW=100
+
+for dev in /sys/class/backlight/*; do
+    set_brightness "$dev" "$NEW"
+done
+
+echo "$NEW" > "$CUR_FILE"
+echo "$NEW"