feat: add adaptive SMART refresh controls (#96)

drive-health/packaging/set-collector-interval.sh

@@ -0,0 +1,29 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+if (( EUID != 0 )); then
+  echo "Run this command with sudo." >&2
+  exit 1
+fi
+
+if (($# != 1)) || ! [[ "$1" =~ ^[0-9]+$ ]] || ((10#$1 < 1 || 10#$1 > 1440)); then
+  echo "usage: $0 MINUTES (1-1440)" >&2
+  exit 2
+fi
+
+service_name="noctalia-drive-health"
+interval_minutes=$((10#$1))
+dropin_dir="/etc/systemd/system/$service_name.timer.d"
+dropin_path="$dropin_dir/interval.conf"
+temporary=$(mktemp)
+trap 'rm -f -- "$temporary"' EXIT
+
+printf '[Timer]\nOnUnitActiveSec=\nOnUnitActiveSec=%smin\n' "$interval_minutes" >"$temporary"
+install -d -m0755 "$dropin_dir"
+install -m0644 "$temporary" "$dropin_path"
+
+systemctl daemon-reload
+systemctl restart "$service_name.timer"
+systemctl start "$service_name.service"
+
+echo "Noctalia full SMART refresh interval set to $interval_minutes minute(s)."