chore(nixvim): test out nixvim

users/myuser/neovim/default.nix

@@ -1,29 +1,152 @@
 {
-  config,
+  lib,
   pkgs,
   ...
 }: {
-  programs.neovim-custom = {
-    config = {
-      withPython3 = false;
-      withRuby = false;
-      withNodeJs = false;
-      #extraPython3Packages = p: [];
-      plugins = with pkgs.vimPlugins; [
-        {
-          plugin = neo-tree-nvim;
-          config =
-            /*
-            lua
-            */
-            ''
-              require("neo-tree").setup {}
-            '';
-        }
-      ];
+  #programs.neovim-custom = {
+  #  config = {
+  #    withPython3 = false;
+  #    withRuby = false;
+  #    withNodeJs = false;
+  #    #extraPython3Packages = p: [];
+  #    plugins = with pkgs.vimPlugins; [
+  #      {
+  #        plugin = neo-tree-nvim;
+  #        config =
+  #          /*
+  #          lua
+  #          */
+  #          ''
+  #            require("neo-tree").setup {}
+  #          '';
+  #      }
+  #    ];
+  #  };
+  #  init = builtins.readFile ./aaa/init.lua;
+  #};
+
+  home.shellAliases.nixvim = lib.getExe (pkgs.nixvim.makeNixvimWithModule {
+    package = pkgs.neovim-unwrapped.overrideAttrs (_final: prev: {
+      nativeBuildInputs = (prev.nativeBuildInputs or []) ++ [pkgs.makeWrapper];
+      postInstall =
+        (prev.postInstall or "")
+        + ''
+          wrapProgram $out/bin/nvim --add-flags "--clean"
+        '';
+    });
+
+    colorschemes = {
+      catppuccin = {
+        enable = true;
+        flavour = "mocha";
+      };
     };
-    init = builtins.readFile ./aaa/init.lua;
-  };
+
+    globals.mapleader = ",";
+
+    # Hide line numbers in terminal windows
+    autoCmd = [
+      {
+        event = ["BufEnter" "BufWinEnter"];
+        pattern = ["term://*"];
+        callback = {
+          __raw = ''
+            function()
+              vim.bo.number = false
+            end
+          '';
+        };
+      }
+    ];
+
+    options = {
+      # ----------------------------------------------------------------------------------------------------
+      # -- General
+      # ----------------------------------------------------------------------------------------------------
+
+      undolevels = 1000000; # Set maximum undo levels
+      undofile = true; # Enable persistent undo which persists undo history across vim sessions
+      updatetime = 300; # Save swap file after 300ms
+      mouse = "a"; # Enable full mouse support
+
+      # ----------------------------------------------------------------------------------------------------
+      # -- Editor visuals
+      # ----------------------------------------------------------------------------------------------------
+
+      termguicolors = true; # Enable true color in terminals
+
+      splitkeep = "screen"; # Try not to move text when opening/closing splits
+      wrap = false; # Do not wrap text longer than the window's width
+      scrolloff = 2; # Keep 2 lines above and below the cursor.
+      sidescrolloff = 2; # Keep 2 lines left and right of the cursor.
+
+      number = true; # Show line numbers
+      cursorline = true; # Enable cursorline, colorscheme only shows this in number column
+      wildmode = ["list" "full"]; # Only complete the longest common prefix and list all results
+      fillchars = {stlnc = "─";}; # Show separators in inactive window statuslines
+
+      # FIXME: disabled because this really fucks everything up in the terminal.
+      title = false; # Sets the window title
+      # titlestring = "%t%( %M%)%( (%{expand(\"%:~:.:h\")})%) - nvim"; # The format for the window title
+
+      # ----------------------------------------------------------------------------------------------------
+      # -- Editing behavior
+      # ----------------------------------------------------------------------------------------------------
+
+      whichwrap = ""; # Never let the curser switch to the next line when reaching line end
+      ignorecase = true; # Ignore case in search by default
+      smartcase = true; # Be case sensitive when an upper-case character is included
+
+      expandtab = false;
+      tabstop = 4; # Set indentation of tabs to be equal to 4 spaces.
+      shiftwidth = 4;
+      softtabstop = 4;
+      shiftround = true; # Round indentation commands to next multiple of shiftwidth
+
+      # r = insert comment leader when hitting <Enter> in insert mode
+      # q = allow explicit formatting with gq
+      # j = remove comment leaders when joining lines if it makes sense
+      formatoptions = "rqj";
+
+      # Allow the curser to be positioned on cells that have no actual character;
+      # Like moving beyond EOL or on any visual 'space' of a tab character
+      virtualedit = "all";
+      selection = "old"; # Do not include line ends in past the-line selections
+      smartindent = true; # Use smart auto indenting for all file types
+
+      timeoutlen = 20; # Only wait 20 milliseconds for characters to arrive (see :help timeout)
+      ttimeoutlen = 20;
+      timeout = false; # Disable timeout, but enable ttimeout (only timeout on keycodes)
+      ttimeout = true;
+
+      grepprg = "rg --vimgrep --smart-case --follow"; # Replace grep with ripgrep
+    };
+
+    plugins = {
+      #alpha.enable = true;
+      #comment-nvim.enable = true;
+      diffview.enable = true;
+      fugitive.enable = true;
+      gitsigns = {
+        enable = true;
+        currentLineBlame = true;
+      };
+      lsp-format.enable = true;
+      #markdown-preview.enable = true;
+      # mini.enable = true;
+      #navbuddy.enable = true;
+      #neorg.enable = true;
+      neo-tree.enable = true;
+      notify.enable = true;
+      #sniprun.enable = true;
+      #surround.enable = true;
+      telescope.enable = true;
+      treesitter.enable = true;
+      treesitter-context.enable = true;
+      #trouble.enable = true;
+      #which-key.enable = true;
+    };
+  });
 
   home.packages = let
     nvimConfig = pkgs.neovimUtils.makeNeovimConfig {