update my nvim config

home/programs/nvim/options.nix

@@ -1,38 +1,151 @@
 {
-  programs.nixvim.globals.mapleader = " ";
-  programs.nixvim.opts = {
-    updatetime = 50; # Faster completion
+  programs.nixvim = {
+    globals.mapleader = " ";
+    opts = {
+      autoindent = true;
 
-    number = true;
-    relativenumber = true;
+      smartindent = true;
 
-    autoindent = true;
-    clipboard = "unnamed,unnamedplus";
+      incsearch = true;
+      hlsearch = true;
+      wildmode = "list:longest";
+      scrolloff = 8;
 
-    expandtab = true;
-    tabstop = 2;
-    softtabstop = 2;
-    shiftwidth = 2;
-    smartindent = true;
-    breakindent = true;
+      swapfile = false;
+      conceallevel = 3;
+      clipboard = "unnamed,unnamedplus";
 
-    ignorecase = true;
-    incsearch = true;
-    hlsearch = true;
-    smartcase = true;
-    wildmode = "list:longest";
-    completeopt = [ "menuone" "noselect" "noinsert" ];
-    signcolumn = "yes";
-    cursorline = false;
-    scrolloff = 8;
-    mouse = "a";
-    termguicolors = true;
-    showmode = false;
+      # Don't stop backspace at insert
+      backspace.__raw = ''
+        vim.list_extend(vim.opt.backspace:get(), { "nostop" })
+      '';
 
-    wrap = false;
+      # Keep visual indentation on wrapped lines
+      breakindent = true;
 
-    swapfile = false;
-    undofile = true;
-    conceallevel = 3;
+      # Hide command line unless needed
+      cmdheight = 0;
+
+      # Insert mode completion options
+      completeopt = [ "menu" "menuone" "noselect" ];
+
+      # Raise a dialog asking if you wish to save the current file(s)
+      confirm = true;
+
+      # Copy previous indentation on autoindenting
+      copyindent = true;
+
+      # Highlight current line
+      cursorline = true;
+
+      # Enable linematch diff algorithm
+      diffopt.__raw = ''
+        vim.list_extend(vim.opt.diffopt:get(), { "algorithm:histogram", "linematch:60" })
+      '';
+
+      # Expand <Tab> to spaces
+      expandtab = true;
+
+      # Disable `~` on nonexistent lines
+      fillchars = { eob = " "; };
+
+      # Enable fold with all code unfolded
+      foldcolumn = "1";
+      foldenable = true;
+      foldlevel = 99;
+      foldlevelstart = 99;
+
+      # Ignore case in search patterns
+      ignorecase = true;
+
+      # Show substitution preview in split window
+      inccommand = "split";
+
+      # Infer casing on word completion
+      infercase = true;
+
+      # Global statusline
+      laststatus = 3;
+
+      # Wrap lines at 'breakat'
+      linebreak = true;
+
+      # Enable mouse support
+      mouse = "a";
+
+      # Show line numbers
+      number = true;
+
+      # Preserve indentation as much as possible
+      preserveindent = true;
+
+      # Height of the popup menu
+      pumheight = 10;
+
+      # Display line numbers relative to current line
+      relativenumber = true;
+
+      # Minimal number of lines to keep around the cursor
+      # This has the effect to move the view along with current line
+      #scrolloff = 999;
+
+      # Number of spaces to use for indentation
+      shiftwidth = 2;
+
+      # Disable search count wrap and startup messages
+      shortmess.__raw = ''
+        vim.tbl_deep_extend("force", vim.opt.shortmess:get(), { s = true, I = true })
+      '';
+
+      # Disable showing modes in command line
+      showmode = false;
+
+      # Always show tabline
+      showtabline = 2;
+
+      # Show signs column
+      signcolumn = "yes";
+
+      # Override ignorecase if search pattern contains uppercase characters
+      smartcase = true;
+
+      # Number of spaces input on <Tab>
+      softtabstop = 2;
+
+      # Open horizontal split below (:split)
+      splitbelow = true;
+
+      # Open vertical split to the right (:vsplit)
+      splitright = true;
+
+      # Number of spaces to represent a <Tab>
+      tabstop = 2;
+
+      # Enables 24-bit RGB color
+      termguicolors = true;
+
+      # Shorter timeout duration
+      timeoutlen = 500;
+
+      # Set window title to the filename
+      title = true;
+
+      # Save undo history to undo file (in $XDG_STATE_HOME/nvim/undo)
+      undofile = true;
+
+      viewoptions.__raw = ''
+        vim.tbl_filter(function(val) return val ~= "curdir" end, vim.opt.viewoptions:get())
+      '';
+
+      # Enable virtual edit in visual block mode
+      # This has the effect of selecting empty cells beyond lines boundaries
+      virtualedit = "block";
+
+      # Disable line wrapping
+      wrap = false;
+
+      # Disable making a backup before overwriting a file
+      writebackup = false;
+    };
   };
 }