vim, zsh

flake.nix

@@ -0,0 +1,55 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs";
+    treefmt-nix.url = "github:numtide/treefmt-nix";
+    treefmt-nix.inputs.nixpkgs.follows = "nixpkgs";
+  };
+  outputs =
+    inputs:
+    let
+      lib = inputs.nixpkgs.lib;
+      eachSupportedSystem = lib.genAttrs lib.systems.flakeExposed;
+      treefmtEval = eachSupportedSystem (
+        system:
+        inputs.treefmt-nix.lib.evalModule inputs.nixpkgs.legacyPackages.${system} (
+          { pkgs, ... }:
+          {
+            projectRootFile = "flake.nix";
+            programs.nixfmt.enable = true;
+            programs.ormolu.enable = true;
+            programs.black.enable = true;
+            programs.prettier.enable = true;
+            programs.stylua.enable = true;
+          }
+        )
+      );
+    in
+    {
+      nixosModules = {
+        vim-kmein = modules/vim.nix;
+        zsh-kmein = modules/zsh.nix;
+      };
+
+      overlays.default = final: prev: {
+        vim-kmein = prev.callPackage packages/vim-kmein { };
+      };
+
+      packages = eachSupportedSystem (
+        system:
+        let
+          pkgs = import inputs.nixpkgs {
+            inherit system;
+            overlays = [ inputs.self.overlays.default ];
+          };
+        in
+        {
+          inherit (pkgs) vim-kmein;
+        }
+      );
+
+      formatter = eachSupportedSystem (system: treefmtEval.${system}.config.build.wrapper);
+      checks = eachSupportedSystem (system: {
+        formatting = treefmtEval.${system}.config.build.check inputs.self;
+      });
+    };
+}