[GC] Make GC persistent so it will run even if the system was down.

flake.lock

@@ -7,11 +7,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1773681845,
-        "narHash": "sha256-o8hrZrigP0JYcwnglCp8Zi8jQafWsxbDtRRPzuVwFxY=",
+        "lastModified": 1775425411,
+        "narHash": "sha256-KY6HsebJHEe5nHOWP7ur09mb0drGxYSzE3rQxy62rJo=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "0759e0e137305bc9d0c52c204c6d8dffe6f601a6",
+        "rev": "0d02ec1d0a05f88ef9e74b516842900c41f0f2fe",
         "type": "github"
       },
       "original": {
@@ -23,11 +23,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1773814637,
-        "narHash": "sha256-GNU+ooRmrHLfjlMsKdn0prEKVa0faVanm0jrgu1J/gY=",
+        "lastModified": 1775811116,
+        "narHash": "sha256-t+HZK42pB6N+i5RGbuy7Xluez/VvWbembBdvzsc23Ss=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "fea3b367d61c1a6592bc47c72f40a9f3e6a53e96",
+        "rev": "54170c54449ea4d6725efd30d719c5e505f1c10e",
         "type": "github"
       },
       "original": {
@@ -51,11 +51,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1773698643,
-        "narHash": "sha256-VCiDjE8kNs8uCAK73Ezk1r3fFuc4JepvW07YFqaN968=",
+        "lastModified": 1775971308,
+        "narHash": "sha256-VKp9bhVSm0bT6JWctFy06ocqxGGnWHi1NfoE90IgIcY=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "8237de83e8200d16fe0c4467b02a1c608ff28044",
+        "rev": "31ac5fe5d015f76b54058c69fcaebb66a55871a4",
         "type": "github"
       },
       "original": {

system/features/gc.nix

@@ -1,8 +1,9 @@
-{ ... }: {
+_: {
   # Automatic
   nix.gc = {
     automatic = true;
     dates = "weekly";
+    persistent = true;
     options = "--delete-older-than 30d";
   };
 }