Add basic Nix flake.

.gitignore

@@ -28,3 +28,5 @@ lua/libimlib2.c
 *.code-workspace
 .idea/
 
+# Ignore nix stuff
+/result

flake.lock

@@ -0,0 +1,43 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1667395993,
+        "narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "5aed5285a952e0b949eb3ba02c12fa4fcfef535f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1672350804,
+        "narHash": "sha256-jo6zkiCabUBn3ObuKXHGqqORUMH27gYDIFFfLq5P4wg=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "677ed08a50931e38382dbef01cba08a8f7eac8f6",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,60 @@
+{
+  description = "A Nix flake for Conky";
+
+  inputs = {
+    nixpkgs = {
+      url = "github:nixos/nixpkgs/nixos-unstable";
+    };
+    flake-utils = {
+      url = "github:numtide/flake-utils";
+    };
+  };
+
+  outputs = { self, nixpkgs, flake-utils, ... }: flake-utils.lib.eachDefaultSystem
+    (system:
+      let
+        pkgs = import nixpkgs {
+          inherit system;
+          overlays = [ self.overlay ];
+        };
+      in
+      rec
+      {
+        packages = flake-utils.lib.flattenTree {
+          conky = pkgs.conky;
+        };
+        defaultPackage = packages.conky;
+        apps.conky = flake-utils.lib.mkApp { drv = packages.conky; };
+        defaultApp = apps.conky;
+      }
+    ) // {
+    overlay = final: prev: {
+      conky = with final; stdenv.mkDerivation rec {
+        name = "conky";
+        src = ./.;
+        nativeBuildInputs = [
+          clang_14
+          cmake
+          git
+          ninja
+          pkg-config
+        ];
+        buildInputs = [
+          freetype
+          gettext
+          imlib2
+          llvmPackages_14.libcxx
+          llvmPackages_14.libcxxabi
+          lua
+          ncurses
+          xorg.libICE
+          xorg.libSM
+          xorg.libX11
+          xorg.libXext
+          xorg.libXft
+          xorg.libXinerama
+        ];
+      };
+    };
+  };
+}