And flake lock

flake.lock

@@ -0,0 +1,60 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1644229661,
+        "narHash": "sha256-1YdnJAsNy69bpcjuoKdOYQX0YxZBiCYZo4Twxerqv7k=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "3cecb5b042f7f209c56ffd8371b2711a290ec797",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "mozilla": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1645464064,
+        "narHash": "sha256-YeN4bpPvHkVOpQzb8APTAfE7/R+MFMwJUMkqmfvytSk=",
+        "owner": "mozilla",
+        "repo": "nixpkgs-mozilla",
+        "rev": "15b7a05f20aab51c4ffbefddb1b448e862dccb7d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "mozilla",
+        "repo": "nixpkgs-mozilla",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1647820583,
+        "narHash": "sha256-2awN2f/dXpVvms6zo2e4TBaZDtQNucMrruqNPIvb518=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "01e87b327aa89d9d60fba192085bccddaa2d1b24",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-21.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "mozilla": "mozilla",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}