neovim/plugins/syntax/default.nix

{ lib
, runCommand
, fetchFromGitHub
, ...
} @ inputs:


let
  inherit (builtins) readFile;

  extraGrammars = {
    tree-sitter-d2 = {
      language = "d2";
      src = fetchFromGitHub {
        owner = "pleshevskiy";
        repo = "tree-sitter-d2";
        rev = "9e60a469c5b67899f3ace13f32a43abc0ba74ec4";
        sha256 = "sha256-FC2AP1DqeetfrjhSdp2QWHbW0qylImc4PeQXPvg7uT8=";
      };
      version = "0.0.0";
    };
  };

  tree-sitter = (inputs.tree-sitter.override { inherit extraGrammars; });
  grammars = tree-sitter.withPlugins (g: [ g.tree-sitter-d2 ]);

  nvim-treesitter = inputs.nvim-treesitter.withAllGrammars.overrideAttrs (oldAttrs: {
    passthru.dependencies = oldAttrs.passthru.dependencies ++ [
      (runCommand "nvim-treesitter-d2-grammar" { } ''
        mkdir -p $out/parser
        ln -s ${grammars}/d2.so $out/parser/d2.so
      '')
    ];
    postPatch = ''
      ln -s ${extraGrammars.tree-sitter-d2.src}/queries queries/d2
    '';
  });
in
{
  luaConfig = readFile ./treesitter.lua;

  plugins = [
    nvim-treesitter
  ];
}