update flake

flake.lock

@@ -213,11 +213,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1739571712,
-        "narHash": "sha256-0UdSDV/TBY+GuxXLbrLq3l2Fq02ciyKCIMy4qmnfJXQ=",
+        "lastModified": 1739802995,
+        "narHash": "sha256-kZv0upOigS/4sUEgZuZd6/uO6s8X8oYOLk9/sGMsl+c=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "6d3163aea47fdb1fe19744e91306a2ea4f602292",
+        "rev": "9d0d48f4c3d2fb1a8c8607da143bb567a741d914",
         "type": "github"
       },
       "original": {
@@ -233,11 +233,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1739570999,
-        "narHash": "sha256-eCc0/Q4bPpe4/AS+uzIrHLJcR6BxPQ69q2kD0/Qe6rU=",
+        "lastModified": 1739757849,
+        "narHash": "sha256-Gs076ot1YuAAsYVcyidLKUMIc4ooOaRGO0PqTY7sBzA=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "254d47082e23dbf72fdeca1da6fe1da420f478d8",
+        "rev": "9d3d080aec2a35e05a15cedd281c2384767c2cfe",
         "type": "github"
       },
       "original": {
@@ -436,11 +436,11 @@
     },
     "nixos-hardware": {
       "locked": {
-        "lastModified": 1738816619,
-        "narHash": "sha256-5yRlg48XmpcX5b5HesdGMOte+YuCy9rzQkJz+imcu6I=",
+        "lastModified": 1739798439,
+        "narHash": "sha256-GyipmjbbQEaosel/+wq1xihCKbv0/e1LU00x/8b/fP4=",
         "owner": "NixOS",
         "repo": "nixos-hardware",
-        "rev": "2eccff41bab80839b1d25b303b53d339fbb07087",
+        "rev": "3e2ea8a49d4d76276b0f4e2041df8ca5c0771371",
         "type": "github"
       },
       "original": {
@@ -496,11 +496,11 @@
     },
     "nixpkgs-stable_2": {
       "locked": {
-        "lastModified": 1739484910,
-        "narHash": "sha256-wjWLzdM7PIq4ZAe7k3vyjtgVJn6b0UeodtRFlM/6W5U=",
+        "lastModified": 1739624908,
+        "narHash": "sha256-f84lBmLl4tkDp1ZU5LBTSFzlxXP4926DVW3KnXrke10=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "0b73e36b1962620a8ac551a37229dd8662dac5c8",
+        "rev": "a60651b217d2e529729cbc7d989c19f3941b9250",
         "type": "github"
       },
       "original": {
@@ -512,11 +512,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1739446958,
-        "narHash": "sha256-+/bYK3DbPxMIvSL4zArkMX0LQvS7rzBKXnDXLfKyRVc=",
+        "lastModified": 1739736696,
+        "narHash": "sha256-zON2GNBkzsIyALlOCFiEBcIjI4w38GYOb+P+R4S8Jsw=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "2ff53fe64443980e139eaa286017f53f88336dd0",
+        "rev": "d74a2335ac9c133d6bbec9fc98d91a77f1604c1f",
         "type": "github"
       },
       "original": {

hosts/default.nix

@@ -10,6 +10,13 @@ in
   # Enable nix flakes and nix-command tools
   nix = {
     settings = {
+      substituters = [
+        "https://nix-community.cachix.org"
+        "https://cache.nixos.org/"
+      ];
+      trusted-public-keys = [
+        "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
+      ];
       warn-dirty = lib.mkForce false;
       experimental-features = lib.mkForce [
         "nix-command"