[lucia] remove old approach and build baseimg using nixos-generators

flake.lock

@@ -40,6 +40,42 @@
         "type": "github"
       }
     },
+    "nixlib": {
+      "locked": {
+        "lastModified": 1636849918,
+        "narHash": "sha256-nzUK6dPcTmNVrgTAC1EOybSMsrcx+QrVPyqRdyKLkjA=",
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "rev": "28a5b0557f14124608db68d3ee1f77e9329e9dd5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "type": "github"
+      }
+    },
+    "nixos-generators": {
+      "inputs": {
+        "nixlib": "nixlib",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1669065280,
+        "narHash": "sha256-3+pq1oJWjGDLfd8G/vR3IIFZ+EQ/aglukA0bTiMlf3o=",
+        "owner": "nix-community",
+        "repo": "nixos-generators",
+        "rev": "50aeec40f2072d2ab267c8ec8a345573704ec110",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nixos-generators",
+        "type": "github"
+      }
+    },
     "nixos-hardware": {
       "locked": {
         "lastModified": 1664628729,
@@ -124,6 +160,7 @@
       "inputs": {
         "home-manager": "home-manager",
         "mfsync": "mfsync",
+        "nixos-generators": "nixos-generators",
         "nixos-hardware": "nixos-hardware",
         "nixpkgs": "nixpkgs_2",
         "nixpkgs-unstable": "nixpkgs-unstable",