added unstable branch

configuration.nix

@@ -2,7 +2,7 @@
 # your system.  Help is available in the configuration.nix(5) man page
 # and in the NixOS manual (accessible by running ‘nixos-help’).
 
-{ config, pkgs, ... }:
+{ config, pkgs, pkgs-unstable, ... }:
 
 {
   imports =
@@ -153,6 +153,7 @@
       python312Packages.matplotlib
     ]))
     # fcitx5-mosc
+    pkgs-unstable.ani-cli
   ];
 
   # Some programs need SUID wrappers, can be configured further or are

flake.lock

@@ -16,9 +16,26 @@
         "type": "github"
       }
     },
+    "nixpkgs-unstable": {
+      "locked": {
+        "lastModified": 1728888510,
+        "narHash": "sha256-nsNdSldaAyu6PE3YUA+YQLqUDJh+gRbBooMMekZJwvI=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "a3c0b3b21515f74fd2665903d4ce6bc4dc81c77c",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
-        "nixpkgs": "nixpkgs"
+        "nixpkgs": "nixpkgs",
+        "nixpkgs-unstable": "nixpkgs-unstable"
       }
     }
   },

flake.nix

@@ -3,16 +3,26 @@
 
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.05";
+    nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixos-unstable";
+
   };
 
-  outputs = { self, nixpkgs, ... }:
-    let
-      lib = nixpkgs.lib;
-    in {
+  outputs = inputs@{
+    self,
+    nixpkgs,
+    nixpkgs-unstable,
+    ...
+  }: {
       nixosConfigurations = {
-        tartarus = lib.nixosSystem {
+        tartarus = nixpkgs.lib.nixosSystem rec {
           system = "x86_64-linux";
           modules = [ ./configuration.nix ];
+	  specialArgs = {
+	    pkgs-unstable = import nixpkgs-unstable {
+	      inherit system;
+	      config.allowUnfree = true;
+	    };
+	  };
           # revision = self.shortRev or self.dirtyShortRev or self.lastModified or "unknown";
         };
       };