From 6f9523372d678fe378619e5ac6993df2b6bfe860 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?benjamin=20melan=C3=A7on?= <ben@agaric.coop>
Date: Thu, 24 Apr 2025 13:07:44 -0400
Subject: [PATCH] Automate garbage collection with deleting old versions so we
 don't run out of space again

---
 configuration.nix | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/configuration.nix b/configuration.nix
index 56d994e..f17424e 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -180,6 +180,13 @@
   boot.loader.systemd-boot.enable = true;
   boot.loader.efi.canTouchEfiVariables = true;
 
+  # Garbage collection - via https://discourse.nixos.org/t/no-space-left-on-boot/24019/8
+  nix.gc = {
+    automatic = true;
+    randomizedDelaySec = "14m";
+    options = "--delete-older-than 60d";
+  };
+
   networking.hostName = "nixos"; # Define your hostname.
   # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.