work on neovim configuration

nixos/nvim/nnn.nix

@@ -0,0 +1,54 @@
+{ pkgs, ... }:
+{
+  environment.systemPackages = with pkgs; [ tmux ];
+  environment.variables = {
+    NNN_FIFO = "$XDG_RUNTIME_DIR/nnn.fifo";
+    NNN_ICONLOOKUP = 1;
+  };
+
+  programs.nixvim = {
+    extraPlugins = [
+      (pkgs.vimUtils.buildVimPlugin {
+        # https://github.com/luukvbaal/nnn.nvim
+        name = "nnn.nvim";
+        src = pkgs.fetchFromGitHub {
+          owner = "luukvbaal";
+          repo = "nnn.nvim";
+          rev = "662034c73718885ee599ad9fb193ab1ede70fbcb";
+          sha256 = "sha256-8+ax8n1fA4jgJugvWtRXkad4YM7TmAAsAopzalmGu/4=";
+        };
+      })
+    ];
+    extraConfigLua = ''
+      local builtin = require("nnn").builtin
+      require("nnn").setup({
+        explorer = {
+          cmd = "nnn -G -Pp",
+        },
+        picker = {
+          cmd = "tmux new-session nnn -G -Pp",
+          style = { border = "rounded" },
+          session = "shared",
+        },
+        auto_open = {
+          setup = "explorer",
+          tabpage = "explorer",
+          ft_ignore = {
+            "gitcommit",
+          },
+        },
+        replace_netrw = "picker",
+        offset = true,
+        mappings = {
+          { "<C-t>", builtin.open_in_tab },       -- open file(s) in tab
+          { "<C-s>", builtin.open_in_split },     -- open file(s) in split
+          { "<C-v>", builtin.open_in_vsplit },    -- open file(s) in vertical split
+          { "<C-p>", builtin.open_in_preview },   -- open file in preview split keeping nnn focused
+          { "<C-y>", builtin.copy_to_clipboard }, -- copy file(s) to clipboard
+          { "<C-w>", builtin.cd_to_path },        -- cd to file directory
+          { "<C-e>", builtin.populate_cmdline },  -- populate cmdline (:) with file(s)
+        },
+      })
+    '';
+  };
+}

nixos/nvim/nvim.nix

@@ -0,0 +1,24 @@
+{ pkgs, ... }:
+{
+  imports = [
+    ./nnn.nix
+  ];
+
+  programs.nixvim = {
+    extraPackages = with pkgs; [ fd ];
+    enable = true;
+    viAlias = true;
+    vimAlias = true;
+    colorschemes.catppuccin.enable = true;
+    plugins = {
+      conform-nvim = {
+        enable = true;
+      };
+      treesitter.enable = true;
+      cmp.enable = true;
+      cmp-nvim-lsp.enable = true;
+      lsp.enable = true;
+      bufferline.enable = true;
+    };
+  };
+}