neovim/init: merge conditionals in options set

modules/neovim/init/basic.nix

@@ -5,6 +5,7 @@
 }: let
   inherit (lib.options) mkOption mkEnableOption literalMD;
   inherit (lib.strings) optionalString;
+  inherit (lib.attrsets) optionalAttrs;
   inherit (lib.types) enum bool str int either;
   inherit (lib.generators) mkLuaInline;
   inherit (lib.nvim.dag) entryAfter;
@@ -94,7 +95,8 @@ in {
     # Set options that were previously interpolated in 'luaConfigRC.basic' as vim.options (vim.o)
     # and 'vim.globals' (vim.g). Future options, if possible, should be added here instead of the
     # luaConfigRC section below.
-    options = pushDownDefault {
+    options = pushDownDefault (lib.mergeAttrsList [
+      {
         # Options that are always set, with a lower priority
         encoding = "utf-8";
         hidden = true;
@@ -104,45 +106,44 @@ in {
         swapfile = !cfg.preventJunkFiles;
         backup = !cfg.preventJunkFiles;
         writebackup = !cfg.preventJunkFiles;
-    };
+      }
 
-    # Options that are more difficult to set through 'vim.options'. Fear not, though
+      (optionalAttrs cfg.undoFile.enable {
-    # as the Lua DAG is still as powerful as it could be.
+        undofile = true;
+        undodir = cfg.undoFile.path;
+      })
+
+      (optionalAttrs (cfg.bell == "none") {
+        errorbells = false;
+        visualbell = false;
+      })
+
+      (optionalAttrs (cfg.bell == "on") {
+        visualbell = false;
+      })
+
+      (optionalAttrs (cfg.bell == "visual") {
+        visualbell = false;
+      })
+
+      (optionalAttrs (cfg.lineNumberMode == "relative") {
+        relativenumber = true;
+      })
+
+      (optionalAttrs (cfg.lineNumberMode == "number") {
+        number = true;
+      })
+
+      (optionalAttrs (cfg.lineNumberMode == "relNumber") {
+        number = true;
+        relativenumber = true;
+      })
+    ]);
+
+    # Options that are more difficult to set through 'vim.options'. Namely, appending values
+    # to pre-set Neovim options. Fear not, though as the Lua DAG is still as powerful as it
+    # could be.
     luaConfigRC.basic = entryAfter ["globalsScript"] ''
-      -- Settings that are set for everything
-      vim.opt.shortmess:append("c")
-
-      ${optionalString cfg.undoFile.enable ''
-        vim.o.undofile = true
-        vim.o.undodir = ${toLuaObject cfg.undoFile.path}
-      ''}
-
-      ${optionalString (cfg.bell == "none") ''
-        vim.o.errorbells = false
-        vim.o.visualbell = false
-      ''}
-
-      ${optionalString (cfg.bell == "on") ''
-        vim.o.visualbell = false
-      ''}
-
-      ${optionalString (cfg.bell == "visual") ''
-        vim.o.errorbells = false
-      ''}
-
-      ${optionalString (cfg.lineNumberMode == "relative") ''
-        vim.o.relativenumber = true
-      ''}
-
-      ${optionalString (cfg.lineNumberMode == "number") ''
-        vim.o.number = true
-      ''}
-
-      ${optionalString (cfg.lineNumberMode == "relNumber") ''
-        vim.o.number = true
-        vim.o.relativenumber = true
-      ''}
-
       ${optionalString cfg.useSystemClipboard ''
         vim.opt.clipboard:append("unnamedplus")
       ''}

modules/wrapper/rc/options.nix

@@ -235,7 +235,8 @@ in {
               if isBool x
               then toVimBool x # convert to a yes/no str
               else x;
-            description = "Show the sign column"
+            description = "Show the sign column";
+          };
 
           tabstop = mkOption {
             type = int;