init

flake.nix

@@ -0,0 +1,63 @@
+{
+  description = "nvim-treesitter main branch overlay";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
+    nvim-treesitter = {
+      url = "github:nvim-treesitter/nvim-treesitter/main";
+      flake = false;
+    };
+  };
+
+  outputs =
+    { self, ... }@inputs:
+    let
+      supportedSystems = [
+        "x86_64-linux"
+        "aarch64-linux"
+        "x86_64-darwin"
+        "aarch64-darwin"
+      ];
+
+      forEachSupportedSystem =
+        f:
+        inputs.nixpkgs.lib.genAttrs supportedSystems (
+          system:
+          f {
+            pkgs = import inputs.nixpkgs {
+              inherit system;
+            };
+          }
+        );
+    in
+    {
+      overlays = {
+        default = (import ./overlay.nix { inherit inputs; });
+      };
+      devShells = forEachSupportedSystem (
+        { pkgs, ... }:
+        {
+          default = pkgs.mkShell {
+            packages = [
+              (import ./generate-parsers { inherit inputs pkgs; })
+            ];
+          };
+        }
+      );
+      packages = forEachSupportedSystem (
+        { pkgs, ... }:
+        let
+          pkgs' = import inputs.nixpkgs {
+            inherit (pkgs) system;
+            overlays = (pkgs.overlays or [ ]) ++ [
+              (import ./overlay.nix { inherit inputs; })
+            ];
+          };
+        in
+        rec {
+          nvim-treesitter = pkgs'.vimPlugins.nvim-treesitter.withAllGrammars;
+          default = nvim-treesitter;
+        }
+      );
+    };
+}