update gc

2018-10-25 20:47:52 +02:00
parent e0d60d3e70
commit 3891bdca58
1 changed files with 1 additions and 0 deletions
--- a/configuration.nix
+++ b/configuration.nix
@@ -21,6 +21,7 @@
    nixpkgs.config.allowUnfree = true;
    nix.gc.automatic = true;
    nix.gc.dates = "03:15";
+    nix.gc.options = "--delete-older-than 15d";

    # This value determines the NixOS release with which your system is to be
    # compatible, in order to avoid breaking some software such as database