nix: switch implemenatation to lix for NixOS installations

for home-manager/darwin profiles, stay at Nix for now because this is
what is used on work machines anyways.

common/default.nix

@@ -215,6 +215,8 @@ in
   # Enable all sysrq functions (useful to recover from some issues):
   boot.kernel.sysctl."kernel.sysrq" = 1; # NixOS default: 16 (only the sync command)
 
+  nix.package = pkgs.lix;
+
   nix.settings.trusted-users = [ "spiollinux" ];
   # override tmpdir for daemon
   #systemd.services.nix-daemon.environment.TMPDIR = "/var/tmp";

flake.lock

@@ -194,11 +194,11 @@
     },
     "nixos-hardware": {
       "locked": {
-        "lastModified": 1720515935,
-        "narHash": "sha256-8b+fzR4W2hI5axwB+4nBwoA15awPKkck4ghhCt8v39M=",
+        "lastModified": 1720737798,
+        "narHash": "sha256-G/OtEAts7ZUvW5lrGMXSb8HqRp2Jr9I7reBuvCOL54w=",
         "owner": "NixOS",
         "repo": "nixos-hardware",
-        "rev": "a111ce6b537df12a39874aa9672caa87f8677eda",
+        "rev": "c5013aa7ce2c7ec90acee5d965d950c8348db751",
         "type": "github"
       },
       "original": {
@@ -210,11 +210,11 @@
     },
     "nixos-unstable": {
       "locked": {
-        "lastModified": 1720418205,
-        "narHash": "sha256-cPJoFPXU44GlhWg4pUk9oUPqurPlCFZ11ZQPk21GTPU=",
+        "lastModified": 1720768451,
+        "narHash": "sha256-EYekUHJE2gxeo2pM/zM9Wlqw1Uw2XTJXOSAO79ksc4Y=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "655a58a72a6601292512670343087c2d75d859c1",
+        "rev": "7e7c39ea35c5cdd002cd4588b03a3fb9ece6fad9",
         "type": "github"
       },
       "original": {
@@ -258,11 +258,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1720386169,
-        "narHash": "sha256-NGKVY4PjzwAa4upkGtAMz1npHGoRzWotlSnVlqI40mo=",
+        "lastModified": 1720823163,
+        "narHash": "sha256-FZ5dnrvKkln9ESdoTR8R7GKW9rNpXNZrxGsOXsbsTpE=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "194846768975b7ad2c4988bdb82572c00222c0d7",
+        "rev": "f12ee5f64c6a09995e71c9626d88c4efa983b488",
         "type": "github"
       },
       "original": {
@@ -274,11 +274,11 @@
     },
     "nur": {
       "locked": {
-        "lastModified": 1720547934,
-        "narHash": "sha256-8rKdCkhCDm4Zuf9ja9Uak5RJPBV4WoFWIfyh4C1KPR0=",
+        "lastModified": 1720968635,
+        "narHash": "sha256-0x813oUpR5w+5o6JPfc99Pl9GVYPGRXPCFrybraECDA=",
         "owner": "nix-community",
         "repo": "NUR",
-        "rev": "c7cc8060b718840cc8ca3d1d60dcb077c70f34eb",
+        "rev": "731c6d74615f883d0a0d59451ef9d95d823b8cd9",
         "type": "github"
       },
       "original": {