Make pkgs a flake

pkgs/flake.lock

@@ -0,0 +1,79 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1687709756,
+        "narHash": "sha256-Y5wKlQSkgEK2weWdOu4J3riRd+kV/VCgHsqLNTTWQ/0=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "dbabf0ca0c0c4bce6ea5eaf65af5cb694d2082c7",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "ref": "dbabf0c",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "mozilla": {
+      "locked": {
+        "lastModified": 1687771476,
+        "narHash": "sha256-TSpqz6qYVRoqkEdOCawEQ4/cWt/4pracmvw17HK1tgE=",
+        "owner": "mozilla",
+        "repo": "nixpkgs-mozilla",
+        "rev": "3a44b8783514e7d6db4b63df96071b6c2b014b07",
+        "type": "github"
+      },
+      "original": {
+        "owner": "mozilla",
+        "ref": "3a44b87",
+        "repo": "nixpkgs-mozilla",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1687729501,
+        "narHash": "sha256-mTLkMePoHUWvTCf3NuKbeYEea/tsikSIKBWwb9OfRr4=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "35130d4b4f0b8c50ed2aceb909a538c66c91d4a0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-23.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "mozilla": "mozilla",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

pkgs/flake.nix

@@ -0,0 +1,17 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.05";
+    mozilla.url = "github:mozilla/nixpkgs-mozilla/3a44b87";
+    flake-utils.url = "github:numtide/flake-utils/dbabf0c";
+  };
+
+  outputs = { self, flake-utils, nixpkgs, mozilla }:
+    let mkPackages = (import ./packages.nix) {
+          inherit nixpkgs;
+          rustOverlay = mozilla.overlays.rust;
+        };
+        systems = [ "x86_64-linux" ];
+    in flake-utils.lib.eachSystem systems (system: {
+      packages = mkPackages system;
+    });
+}

pkgs/packages.nix

@@ -0,0 +1,12 @@
+{ nixpkgs, rustOverlay }: system:
+
+let pkgs = nixpkgs.legacyPackages.${system};
+    rustPkgs = rustOverlay pkgs pkgs;
+    buildRustPlatform = (import ./utils.nix).buildRustPlatform {
+      inherit (rustPkgs) rustChannelOf;
+      inherit (pkgs) makeRustPlatform;
+    };
+in {
+  eww = pkgs.callPackage ./eww { inherit buildRustPlatform; };
+  emacs = pkgs.callPackage (import ./emacs { inherit (pkgs) emacs; }) {};
+}