From c51e5d478d3d16113721f326ea12d12e33794496 Mon Sep 17 00:00:00 2001
From: Luke Granger-Brown <hg@lukegb.com>
Date: Fri, 19 Mar 2021 21:29:54 +0000
Subject: [PATCH] lib/common: add --delete-older-than

---
 ops/nixos/lib/common.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ops/nixos/lib/common.nix b/ops/nixos/lib/common.nix
index 5af5758521..a5de702953 100644
--- a/ops/nixos/lib/common.nix
+++ b/ops/nixos/lib/common.nix
@@ -127,6 +127,7 @@ in
     nix.gc = {
       automatic = lib.mkDefault true;
       dates = "*-*-* 05:00:00";
+      options = "--delete-older-than 7d";
     };
 
     home-manager.useUserPackages = true;