From 97305208793dbe6a916ac87a50077bd4d1200926 Mon Sep 17 00:00:00 2001
From: Sangmin Kim <smg981024@kmeat.com>
Date: Tue, 19 May 2026 13:27:53 +0900
Subject: [PATCH] add nix garbage collection module

---
 modules/gc.nix | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/modules/gc.nix b/modules/gc.nix
index 790d589..2b0c621 100644
--- a/modules/gc.nix
+++ b/modules/gc.nix
@@ -1 +1,13 @@
-# TODO: Define garbage collection settings.
+{ ... }:
+
+{
+  nix.gc = {
+    automatic = true;
+    dates = "weekly";
+    options = "--delete-older-than 14d";
+  };
+
+  nix.optimise.automatic = true;
+
+  boot.tmp.cleanOnBoot = true;
+}