neovim/flake.nix

{
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
    flake-utils.url = "github:numtide/flake-utils";

    nix2lua.url = "git+https://git.pleshevski.ru/mynix/nix2lua";

    # Plenary (required by crates-nvim)
    plenary-nvim = {
      url = "github:nvim-lua/plenary.nvim";
      flake = false;
    };

    # config

    # https://github.com/gpanders/editorconfig.nvim
    editorconfig-nvim = {
      url = "github:gpanders/editorconfig.nvim";
      flake = false;
    };

    # explorer

    # https://github.com/kyazdani42/nvim-tree.lua
    nvim-tree-lua = {
      url = "github:kyazdani42/nvim-tree.lua";
      flake = false;
    };

    # https://github.com/nvim-telescope/telescope.nvim
    telescope-nvim = {
      url = "github:nvim-telescope/telescope.nvim";
      flake = false;
    };

    # https://github.com/nvim-telescope/telescope-live-grep-args.nvim
    telescope-live-grep-args-nvim = {
      url = "github:nvim-telescope/telescope-live-grep-args.nvim";
      flake = false;
    };

    # formatter

    # https://github.com/sbdchd/neoformat
    neoformat = {
      url = "github:sbdchd/neoformat";
      flake = false;
    };

    # git

    # https://github.com/lewis6991/gitsigns.nvim
    gitsigns-nvim = {
      url = "github:lewis6991/gitsigns.nvim";
      flake = false;
    };

    # lsp

    # https://github.com/neovim/nvim-lspconfig
    nvim-lspconfig = {
      url = "github:neovim/nvim-lspconfig";
      flake = false;
    };

    # https://github.com/tamago324/nlsp-settings.nvim
    nlsp-settings-nvim = {
      url = "github:tamago324/nlsp-settings.nvim";
      flake = false;
    };

    # https://github.com/glepnir/lspsaga.nvim
    lspsaga-nvim = {
      url = "github:glepnir/lspsaga.nvim?rev=f33bc99d0ed3ed691a58b3339decf4e1933c3f9e";
      flake = false;
    };

    # https://github.com/L3MON4D3/LuaSnip
    luasnip = {
      url = "github:L3MON4D3/LuaSnip";
      flake = false;
    };

    # https://github.com/hrsh7th/nvim-cmp
    nvim-cmp = {
      url = "github:hrsh7th/nvim-cmp";
      flake = false;
    };

    # https://github.com/hrsh7th/cmp-nvim-lsp
    cmp-nvim-lsp = {
      url = "github:hrsh7th/cmp-nvim-lsp";
      flake = false;
    };

    # https://github.com/saadparwaiz1/cmp_luasnip
    cmp-luasnip = {
      url = "github:saadparwaiz1/cmp_luasnip";
      flake = false;
    };

    # theme

    # https://github.com/nanozuki/tabby.nvim
    tabby-nvim = {
      url = "github:nanozuki/tabby.nvim";
      flake = false;
    };

    # https://github.com/nvim-lualine/lualine.nvim
    lualine-nvim = {
      url = "github:nvim-lualine/lualine.nvim";
      flake = false;
    };

    # https://github.com/arkav/lualine-lsp-progress
    lualine-lsp-progress = {
      url = "github:/arkav/lualine-lsp-progress";
      flake = false;
    };

    # https://github.com/kyazdani42/nvim-web-devicons
    nvim-web-devicons = {
      url = "github:kyazdani42/nvim-web-devicons";
      flake = false;
    };

    # https://github.com/catppuccin/nvim
    theme = {
      url = "github:catppuccin/nvim";
      flake = false;
    };

    # ux

    # https://github.com/phaazon/hop.nvim
    hop-nvim = {
      url = "github:phaazon/hop.nvim";
      flake = false;
    };

    # https://github.com/nvim-orgmode/orgmode
    nvim-orgmode = {
      url = "github:nvim-orgmode/orgmode?rev=fc9bb0f5823d01e4008e4b86663772d4148aa9ce";
      flake = false;
    };

    # https://github.com/akinsho/org-bullets.nvim
    org-bullets-nvim = {
      url = "github:akinsho/org-bullets.nvim";
      flake = false;
    };
  };

  outputs = inputs @ { self, nixpkgs, flake-utils, nix2lua, ... }:
    let
      inputPlugins = [
        "plenary-nvim"
        # config
        "editorconfig-nvim"
        # explorer
        "nvim-tree-lua"
        "telescope-nvim"
        "telescope-live-grep-args-nvim"
        # formatter
        "neoformat"
        # git
        "gitsigns-nvim"
        # lsp
        "nvim-lspconfig"
        "nlsp-settings-nvim"
        "lspsaga-nvim"
        "luasnip"
        "nvim-cmp"
        "cmp-nvim-lsp"
        "cmp-luasnip"
        # theme
        "tabby-nvim"
        "lualine-nvim"
        "lualine-lsp-progress"
        "nvim-web-devicons"
        "theme"
        # ux
        "hop-nvim"
        "nvim-orgmode"
        "org-bullets-nvim"
      ];

      mkNvimPlugins = { lib, vimUtils, vimPlugins, ... }:
        let
          inherit (builtins) getAttr attrNames pathExists readDir;
          inherit (lib) listToAttrs nameValuePair;

          buildPlugin = name: vimUtils.buildVimPluginFrom2Nix {
            name = name;
            src = getAttr name inputs;
            patches = lib.optional
              (pathExists ./patches/${name})
              (map
                (fn: ./patches/${name}/${fn})
                (attrNames (readDir ./patches/${name}))
              );
          };

          buildPluginValuePair = n: nameValuePair n (buildPlugin n);

          neovimPlugins = (listToAttrs (map buildPluginValuePair inputPlugins)) // {
            inherit (vimPlugins) nvim-treesitter;
          };
        in
        {
          inherit neovimPlugins;
          inherit nix2lua;
        };

      mkNeovim = pkgs: pkgs.callPackage ./neovim.nix (mkNvimPlugins pkgs);
    in
    {
      overlays = {
        default = final: prev: {
          myneovim = mkNeovim prev;
        };
      };
    } //
    flake-utils.lib.eachDefaultSystem (system:
      let
        inherit (builtins) mapAttrs;
        pkgs = import nixpkgs { inherit system; };

        minimalNeovim = mkNeovim pkgs;

        recommendedNeovim = (minimalNeovim.override {
          enableDevIcons = true;
          enableTabby = true;

          plugins = with minimalNeovim.nix2lua; {
            nvimTree.settings = {
              renderer = {
                group_empty = true;
                full_name = true;
              };
            };
            lualine.settings = {
              options.ignore_focus = [ "NvimTree" ];
              sections = {
                lualine_a = [
                  [ "filename" (mkNamedField "path" 1) ]
                ];
                lualine_b = [ "branch" "diff" "diagnostics" ];
                lualine_c = [ "lsp_progress" ];
                lualine_x = [ "filesize" "filetype" ];
                lualine_y = [ "progress" ];
                lualine_z = [ "location" "mode" ];
              };
            };
          };
        });

        fullNeovim = recommendedNeovim.override {
          plugins = recommendedNeovim.plugins // (with minimalNeovim.nix2lua; {
            lspSaga.settings = {
              border_style = "rounded";
              symbol_in_winbar.enable = false;
              code_action_lightbulb.enable = false;
              code_action_keys = { quit = "<Esc>"; };
              definition_action_keys = { quit = "<Esc>"; };
              rename_action_quit = "<C-c>";
            };
            lspConfig = {
              servers = {
                nil_ls = { };
                tsserver = { };
                eslint = { };
                denols = {
                  root_dir = mkLuaRaw "root_pattern(\"deno.json\", \"deno.jsonc\")";
                };
                rust_analyzer = {
                  settings.rust-analyzer = {
                    "server.path" = "rust-analyzer";
                    "updates.prompt" = false;
                    "updates.checkOnStartup" = false;
                    "checkOnSave.enable" = true;
                    "checkOnSave.command" = "clippy";
                    "cargo.autoreload" = true;
                  };
                };
              };
            };
          });
        };

        packages = {
          default = recommendedNeovim;
          recommended = recommendedNeovim;
          full = fullNeovim;
          minimal = minimalNeovim;
        };

        mkApp = drv: {
          type = "app";
          program = "${drv}/bin/nvim";
        };
      in
      {
        inherit packages;

        apps = mapAttrs (name: mkApp) packages;

        devShells.default = pkgs.mkShell {
          packages = [
            pkgs.stylua # lua formatter
          ];
        };
      });
}