specify lsp configuration in lang module

lib/languages.nix

@@ -1,7 +1,7 @@
 {lib}: let
   inherit (builtins) isString getAttr;
   inherit (lib.options) mkOption;
-  inherit (lib.types) listOf bool str submodule attrsOf anything either nullOr;
+  inherit (lib.types) listOf bool str submodule attrsOf anything either nullOr oneOf;
   inherit (lib.nvim.attrsets) mapListToAttrs;
   inherit (lib.nvim.types) luaInline;
 in {
@@ -62,7 +62,7 @@ in {
       };
 
       cmd = mkOption {
-        type = nullOr (listOf str);
+        type = nullOr (listOf (oneOf [str luaInline]));
         default = null;
         description = "Command used to start the LSP server";
       };

modules/neovim/init/lsp.nix

@@ -11,7 +11,7 @@
   inherit (lib.attrsets) mapAttrsToList attrNames filterAttrs;
   inherit (lib.generators) mkLuaInline;
   inherit (lib.nvim.languages) lspOptions;
-  inherit (lib.nvim.dag) entryAfter;
+  inherit (lib.nvim.dag) entryAnywhere;
   inherit (lib.nvim.lua) toLuaObject;
 
   cfg = config.vim.lsp;
@@ -82,8 +82,7 @@ in {
 
     (mkIf (cfg.servers != {}) {
       # Enable lspconfig in order to merge in the predefined opts
-      vim.lsp.lspconfig.enable = true;
-      vim.luaConfigRC.lsp-servers = entryAfter ["lspconfig"] ''
+      vim.luaConfigRC.lsp-servers = entryAnywhere ''
         -- Individual LSP configurations managed by nvf.
         ${concatLines lspConfigurations}
 

modules/plugins/languages/markdown.nix

@@ -20,7 +20,9 @@
   servers = {
     marksman = {
       enable = true;
-      cmd = ["${pkgs.marksman}/bin/marksman" "server"];
+      cmd = [(getExe pkgs.marksman) "server"];
+      filetypes = ["markdown" "markdown.mdx"];
+      root_markers = [".marksman.toml" ".git"];
     };
   };
 

modules/plugins/languages/nix.nix

@@ -41,6 +41,8 @@
       settings = {
         nil = formattingCmd;
       };
+      filetypes = ["nix"];
+      root_markers = [".git" "flake.nix"];
     };
 
     nixd = {
@@ -49,6 +51,8 @@
       settings = {
         nixd = formattingCmd;
       };
+      filetypes = ["nix"];
+      root_markers = [".git" "flake.nix"];
     };
   };