Add gruvbox options

flake.nix

@@ -33,7 +33,10 @@
           programs.nixvim = {
             enable = true;
             package = pkgs.neovim-nightly;
-            colorschemes.gruvbox.enable = true;
+            colorschemes.gruvbox = {
+              enable = true;
+              italics = true;
+            };
 
             options.number = true;
 

plugins/colorschemes/gruvbox.nix

@@ -2,10 +2,111 @@
 with lib;
 let
   cfg = config.programs.nixvim.colorschemes.gruvbox;
+  colors = types.enum [ "bg" "red" "green" "yellow" "blue" "purple" "aqua" "gray" "fg" "bg0_h" "bg0" "bg1" "bg2" "bg3" "bg4" "gray" "orange" "bg0_s" "fg0" "fg1" "fg2" "fg3" "fg4" ];
 in {
   options = {
     programs.nixvim.colorschemes.gruvbox = {
       enable = mkEnableOption "Enable gruvbox";
+
+      italics = mkEnableOption "Enable italics";
+      bold = mkEnableOption "Enable bold";
+      underline = mkEnableOption "Enable underlined text";
+      undercurl = mkEnableOption "Enable undercurled text";
+
+      contrastDark = mkOption {
+        type = types.nullOr (types.enum [ "soft" "medium" "hard" ]);
+        default = null;
+        description = "Contrast for the dark mode";
+      };
+
+      contrastLight = mkOption {
+        type = types.nullOr (types.enum [ "soft" "medium" "hard" ]);
+        default = null;
+        description = "Contrast for the light mode";
+      };
+
+      highlightSearchCursor = mkOption {
+        type = types.nullOr colors;
+        default = null;
+        description = "The cursor background while search is highlighted";
+      };
+
+      numberColumn = mkOption {
+        type = types.nullOr colors;
+        default = null;
+        description = "The number column background";
+      };
+
+      signColumn = mkOption {
+        type = types.nullOr colors;
+        default = null;
+        description = "The sign column background";
+      };
+
+      colorColumn = mkOption {
+        type = types.nullOr colors;
+        default = null;
+        description = "The color column background";
+      };
+
+      vertSplitColor = mkOption {
+        type = types.nullOr colors;
+        default = null;
+        description = "The vertical split background color";
+      };
+
+      italicizeComments = mkOption {
+        type = types.bool;
+        default = true;
+        description = "Italicize comments";
+      };
+
+      italicizeStrings = mkOption {
+        type = types.bool;
+        default = false;
+        description = "Italicize strings";
+      };
+
+      invertSelection = mkOption {
+        type = types.bool;
+        default = true;
+        description = "Invert the select text";
+      };
+
+      invertSigns = mkOption {
+        type = types.bool;
+        default = false;
+        description = "Invert GitGutter and Syntastic signs";
+      };
+
+      invertIndentGuides = mkOption {
+        type = types.bool;
+        default = false;
+        description = "Invert indent guides";
+      };
+
+      invertTabline = mkOption {
+        type = types.bool;
+        default = false;
+        description = "Invert tabline highlights";
+      };
+
+      improvedStrings = mkOption {
+        type = types.bool;
+        default = false;
+        description = "Improved strings";
+      };
+
+      improvedWarnings = mkOption {
+        type = types.bool;
+        default = false;
+        description = "Improved warnings";
+      };
+
+      transparentBg = mkEnableOption "Transparent background";
+
+      trueColor = mkEnableOption "Enable true color support";
+
     };
   };
 
@@ -13,6 +114,30 @@ in {
     programs.nixvim = {
       colorscheme = "gruvbox";
       extraPlugins = [ pkgs.vimPlugins.gruvbox ];
+
+      globals = {
+        gruvbox_bold = mkIf (!cfg.bold) 0;
+        gruvbox_italic = mkIf (cfg.italics) 1;
+        gruvbox_underline = mkIf (cfg.underline) 1;
+        gruvbox_undercurl = mkIf (cfg.undercurl) 1;
+        gruvbox_transparent_bg = mkIf (cfg.transparentBg) 0;
+        gruvbox_contrast_dark = mkIf (!isNull cfg.contrastDark) cfg.contrastDark;
+        gruvbox_contrast_light = mkIf (!isNull cfg.contrastLight) cfg.contrastLight;
+        gruvbox_hls_cursor = mkIf (!isNull cfg.highlightSearchCursor) cfg.highlightSearchCursor;
+        gruvbox_number_column = mkIf (!isNull cfg.numberColumn) cfg.numberColumn;
+        gruvbox_sign_column = mkIf (!isNull cfg.signColumn) cfg.signColumn;
+        gruvbox_color_column = mkIf (!isNull cfg.colorColumn) cfg.colorColumn;
+        gruvbox_vert_split = mkIf (!isNull cfg.vertSplitColor) cfg.vertSplitColor;
+
+        gruvbox_italicize_comments = mkIf (!cfg.italicizeComments) 0;
+        gruvbox_italicize_strings = mkIf (cfg.italicizeStrings) 1;
+        gruvbox_invert_selection = mkIf (!cfg.invertSelection) 0;
+        gruvbox_invert_signs = mkIf (cfg.invertSigns) 1;
+        gruvbox_invert_indent_guides = mkIf (cfg.invertIndentGuides) 1;
+        gruvbox_invert_tabline = mkIf (cfg.invertTabline) 1;
+        gruvbox_improved_strings = mkIf (cfg.improvedStrings) 1;
+        gruvbox_improved_warnings = mkIf (cfg.improvedWarnings) 1;
+      };
     };
   };
 }