From 1ad3516705412f10d76308008a5810d80b499818 Mon Sep 17 00:00:00 2001
From: Tim Keller <tjk@tjkeller.xyz>
Date: Wed, 3 Jun 2026 21:59:21 -0500
Subject: update nvim configs and add projects dir

---
 home-manager/neovim.nix | 47 +++++++++++++++++++++++++++++++++++------------
 1 file changed, 35 insertions(+), 12 deletions(-)

(limited to 'home-manager')

diff --git a/home-manager/neovim.nix b/home-manager/neovim.nix
index 60608f6..5b8447d 100644
--- a/home-manager/neovim.nix
+++ b/home-manager/neovim.nix
@@ -1,13 +1,13 @@
 { lib, config, pkgs, ... }: let
 	cfg = config.programs._neovim;
 
-	extraPlugins = cfg.plugins.packages // {
-		start = (cfg.plugins.packages.start or [])
-			++ lib.optionals cfg.plugins.lsp.enable [ cfg.plugins.lsp.pluginPackage ]
-			++ lib.optionals cfg.plugins.treesitter.enable [ cfg.plugins.treesitter.pluginPackage ]
-			++ lib.optionals cfg.plugins.treesitter.enable cfg.plugins.treesitter.parsers.packages;
-	};
-	pluginDir = pkgs.linkFarm "nvim-site"
+	pluginDir = let
+		extraPlugins = cfg.plugins.packages // {
+			start = (cfg.plugins.packages.start or [])
+				++ lib.optionals (cfg.plugins.lsp.enable && cfg.plugins.lsp.lspconfig.enable) [ cfg.plugins.lsp.lspconfig.pluginPackage ]
+				++ lib.optionals cfg.plugins.treesitter.enable [ cfg.plugins.treesitter.pluginPackage ];
+		};
+	in pkgs.linkFarm "nvim-site"
 		(lib.concatLists (lib.mapAttrsToList (stage: plugins:
 			map (plugin: {
 				name = "share/nvim/site/pack/plugins/${stage}/${plugin.name}";
@@ -15,8 +15,19 @@
 			}) plugins
 		) extraPlugins));
 
-	extraPackages = cfg.extraPackages
-		++ lib.optionals cfg.plugins.lsp.enable cfg.plugins.lsp.languageServers.packages;
+	extraPackages = pkgs.symlinkJoin {
+		name = "nvim-extra-packages";
+		paths = cfg.extraPackages
+			++ lib.optionals cfg.plugins.lsp.enable cfg.plugins.lsp.languageServers.packages;
+	};
+
+	parserDir = let
+		allTSParserPackages = builtins.filter lib.isDerivation
+			(builtins.attrValues config.plugins.treesitter.parsers.installAllFrom);
+	in pkgs.symlinkJoin {
+		name = "nvim-treesitter-parsers";
+		paths = if cfg.plugins.treesitter.parsers.installAll then cfg.plugins.treesitter.parsers.packages else allTSParserPackages;
+	};
 
 	finalPackage = pkgs.symlinkJoin {
 		name = "neovim-not-wrapped";
@@ -24,8 +35,13 @@
 		nativeBuildInputs = [ pkgs.makeWrapper ];
 		postBuild = ''
 			wrapProgram $out/bin/nvim \
-				--prefix PATH : ${pkgs.lib.makeBinPath extraPackages} \
-				--prefix XDG_DATA_DIRS : ${pluginDir}/share
+				--prefix PATH : ${extraPackages} \
+				--prefix XDG_DATA_DIRS : ${pluginDir}/share \
+		'' + lib.optionalString cfg.plugins.treesitter.enable ''
+				--add-flags '--cmd "set rtp^=${parserDir}"' \
+				--add-flags '--cmd "set rtp^=${cfg.plugins.treesitter.pluginPackage}/runtime"' \
+		'' + ''
+			# blank line here to terminate multiline command string
 		'' + lib.optionalString cfg.viAlias ''
 			ln -s $out/bin/nvim $out/bin/vi
 		'' + lib.optionalString cfg.vimAlias ''
@@ -41,7 +57,10 @@ in {
 		plugins = {
 			lsp = {
 				enable = lib.mkEnableOption "install defined language servers into nvim path";
-				pluginPackage = lib.mkPackageOption pkgs.vimPlugins "nvim-lspconfig" {};
+				lspconfig = {
+					enable = lib.mkEnableOption "install plugin `lspconfig.pluginPackage`";
+					pluginPackage = lib.mkPackageOption pkgs.vimPlugins "nvim-lspconfig" {};
+				};
 				languageServers.packages = lib.mkOption {
 					type = lib.types.listOf lib.types.package;
 					default = [ ];
@@ -51,6 +70,10 @@ in {
 			treesitter = {
 				enable = lib.mkEnableOption "install treesitter and parsers as nvim plugins";
 				pluginPackage = lib.mkPackageOption pkgs.vimPlugins "nvim-treesitter" {};
+				parsers.installAll = lib.mkEnableOption "install all available parsers. overrides `parsers.packages`";
+				parsers.installAllFrom = lib.mkPackageOption pkgs.vimPlugins "nvim-treesitter-parsers" {
+					extraDescription = "parent package from which to install all treesitter parsers";
+				};
 				parsers.packages = lib.mkOption {
 					type = lib.types.listOf lib.types.package;
 					default = [ ];
-- 
cgit v1.2.3