add flake.lock and fix flake.nix

flake.lock

@@ -0,0 +1,137 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "flake-utils_2": {
+      "inputs": {
+        "systems": "systems_2"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1777954456,
+        "narHash": "sha256-hGdgeU2Nk87RAuZyYjyDjFL6LK7dAZN5RE9+hrDTkDU=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "549bd84d6279f9852cae6225e372cc67fb91a4c1",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "ponyfetch": {
+      "inputs": {
+        "flake-utils": "flake-utils_2",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1778169658,
+        "narHash": "sha256-qLt7IX1LkqZlcy6GscVugKq7sKXIG25R0QJ7YkuKg1A=",
+        "ref": "refs/heads/main",
+        "rev": "9cf23c6e48432d3fc648c8cc84fe73bce91a6ff7",
+        "revCount": 2,
+        "type": "git",
+        "url": "https://git.divan2000.su/DIvan2000/ponyfetch"
+      },
+      "original": {
+        "type": "git",
+        "url": "https://git.divan2000.su/DIvan2000/ponyfetch"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs",
+        "ponyfetch": "ponyfetch",
+        "terminal-oscilloscope": "terminal-oscilloscope"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
+    "systems_2": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
+    "terminal-oscilloscope": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1777140453,
+        "narHash": "sha256-+Rw2OSO5bKWp4tICnjLdMZsWmjAgqYA0Vb9N3HH2Z1U=",
+        "ref": "refs/heads/master",
+        "rev": "bee679d3e1d023c31d4810b939f6d7fad390aad3",
+        "revCount": 33,
+        "type": "git",
+        "url": "https://git.divan2000.su/DIvan2000/terminal-oscilloscope"
+      },
+      "original": {
+        "type": "git",
+        "url": "https://git.divan2000.su/DIvan2000/terminal-oscilloscope"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -22,6 +22,14 @@
         pkgs = import nixpkgs { inherit system; };
 
         callPackage = pkgs.callPackage;
+
+        lib = nixpkgs.lib;
+
+        hasPackage = input:
+          input.packages ? ${system};
+        
+        defaultPackage = input:
+          input.packages.${system}.default;
       in {
         packages = {
           ponyfetch = inputs.ponyfetch.packages.${system}.default;