gc: change to older than 30

the old +3 did not seem to work
2025-12-06 11:28:02 +01:00
parent ebb043b589
commit 0c39388b21
1 changed files with 4 additions and 4 deletions
--- a/hosts/common/global/nix.nix
+++ b/hosts/common/global/nix.nix
@@ -2,7 +2,8 @@
  lib,
  outputs,
  ...
-}: {
+}:
+{
  # Apply overlays
  nixpkgs = {
    # TODO: apply this to hm and nixos without duplicate code
@@ -31,8 +32,7 @@
  nix.gc = {
    automatic = true;
    dates = "weekly";
-    # Keep the last 3 generations
-    options = "--delete-older-than +3";
+    options = "--delete-older-than 30d";
  };
  nix.optimise = {
    automatic = true;