First attempt at flake for home manager config

nix/flake.nix

@@ -0,0 +1,47 @@
+{
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
+    utils.url = "github:numtide/flake-utils";
+
+    home-manager.url = "github:nix-community/home-manager";
+    home-manager.inputs.nixpkgs.follows = "nixpkgs";
+
+    pypi-deps-db.url = "github:DavHau/pypi-deps-db";
+    pypi-deps-db.inputs.nixpkgs.follows = "nixpkgs";
+
+    mach-nix.url = "github:DavHau/mach-nix/master";
+    mach-nix.inputs.nixpkgs.follows = "nixpkgs";
+    mach-nix.inputs.pypi-deps-db.follows = "pypi-deps-db";
+  };
+
+  outputs = {self, nixpkgs, flake-utils, home-manager, mach-nix, ...}: let
+    pkgsForSystem = (system: import nixpkgs {
+      inherit system;
+      overlays = [
+        self.overlays.xonsh_with_plugins."${system}"
+      ];
+    });
+
+    mkHomeConfig = ({system, username ? "ttm" }: home-manager.lib.homeManagerConfiguration {
+      pkgs = pkgsForSystem system;
+      modules = [
+        ./home.nix
+        {
+          home = {
+            inherit username;
+          };
+        }
+      ];
+    });
+  in
+    # flake-utils.lib.eachDefaultSystem (system: {
+    #   overlays.xonsh_with_plugins = import ./overlays/xonsh.nix { mach-nix = mach-nix.lib."${system}"; };
+    #   homeConfigurations.std = mkHomeConfig { inherit system; };
+    # });
+    {
+      overlays.xonsh_with_plugins.x86_64-linux = import ./overlays/xonsh.nix { mach-nix = mach-nix.lib."x86_64-linux"; };
+      overlays.xonsh_with_plugins.x86_64-darwin = import ./overlays/xonsh.nix { mach-nix = mach-nix.lib."x86_64-darwin"; };
+      homeConfigurations.linux = mkHomeConfig { system="x86_64-linux"; };
+      homeConfigurations.mac = mkHomeConfig { system="x86_64-darwin"; };
+    };
+}