From 9d86db55a44b9d16145543114da21a08ee520bf7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Laure=CE=B7t?= <laurent@fainsin.bzh>
Date: Mon, 19 Jun 2023 21:09:13 +0200
Subject: [PATCH] =?UTF-8?q?=E2=9C=A8=20(hydrogen/system)=20add=20nix=20set?=
 =?UTF-8?q?tings?=
MIME-Version: 1.0
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---
 hosts/hydrogen/system/nix/default.nix | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 hosts/hydrogen/system/nix/default.nix

diff --git a/hosts/hydrogen/system/nix/default.nix b/hosts/hydrogen/system/nix/default.nix
new file mode 100644
index 0000000..4626f4b
--- /dev/null
+++ b/hosts/hydrogen/system/nix/default.nix
@@ -0,0 +1,11 @@
+{ ... }: {
+  # optimizations
+  nix.settings.auto-optimise-store = true;
+
+  # garbage collection
+  nix.gc = {
+    automatic = true;
+    dates = "weekly";
+    options = "--delete-older-than 30d";
+  };
+}