Treesitter : Add parser cache path.

.config/linux/system/derivation/apple_font/flake.nix

@@ -0,0 +1,81 @@
+{
+	description = "Apple fonts.";
+
+	inputs = {
+		nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+	};
+
+	outputs = { self, nixpkgs } @inputs:
+		let
+			system = "x86_64-linux";
+			pkgs   = nixpkgs.legacyPackages.${system};
+			lib    = nixpkgs.lib;
+		in {
+			packages.${system}.default = pkgs.stdenv.mkDerivation rec {
+				pname   = "applefonts";
+				version = "1";
+
+				pro = pkgs.fetchurl {
+					url    = "https://devimages-cdn.apple.com/design/resources/download/SF-Pro.dmg";
+					sha256 = "sha256-Mu0pmx3OWiKBmMEYLNg+u2MxFERK07BQGe3WAhEec5Q=";
+				};
+
+				compact = pkgs.fetchurl {
+					url    = "https://devimages-cdn.apple.com/design/resources/download/SF-Compact.dmg";
+					sha256 = "sha256-Mkf+GK4iuUhZdUdzMW0VUOmXcXcISejhMeZVm0uaRwY=";
+				};
+
+				mono = pkgs.fetchurl {
+					url    = "https://devimages-cdn.apple.com/design/resources/download/SF-Mono.dmg";
+					sha256 = "sha256-tZHV6g427zqYzrNf3wCwiCh5Vjo8PAai9uEvayYPsjM=";
+				};
+
+				ny = pkgs.fetchurl {
+					url    = "https://devimages-cdn.apple.com/design/resources/download/NY.dmg";
+					sha256 = "sha256-tn1QLCSjgo5q4PwE/we80pJavr3nHVgFWrZ8cp29qBk=";
+				};
+
+				nativeBuildInputs = with pkgs; [ p7zip ];
+
+				sourceRoot = ".";
+
+				dontUnpack = true;
+
+				installPhase = ''
+					7z x ${pro}
+					cd SFProFonts
+					7z x 'SF Pro Fonts.pkg'
+					7z x 'Payload~'
+					mkdir -p $out/fontfiles
+					mv Library/Fonts/* $out/fontfiles
+					cd ..
+					7z x ${mono}
+					cd SFMonoFonts
+					7z x 'SF Mono Fonts.pkg'
+					7z x 'Payload~'
+					mv Library/Fonts/* $out/fontfiles
+					cd ..
+					7z x ${compact}
+					cd SFCompactFonts
+					7z x 'SF Compact Fonts.pkg'
+					7z x 'Payload~'
+					mv Library/Fonts/* $out/fontfiles
+					cd ..
+					7z x ${ny}
+					cd NYFonts
+					7z x 'NY Fonts.pkg'
+					7z x 'Payload~'
+					mv Library/Fonts/* $out/fontfiles
+					mkdir -p $out/usr/share/fonts/OTF $out/usr/share/fonts/TTF
+					mv $out/fontfiles/*.otf $out/usr/share/fonts/OTF
+					mv $out/fontfiles/*.ttf $out/usr/share/fonts/TTF
+					rm -rf $out/fontfiles
+				'';
+
+				meta = {
+					description = "Apple San Francisco, New York fonts.";
+					homepage    = "https://developer.apple.com/fonts/";
+				};
+			};
+		};
+}

.config/linux/system/flake.nix

@@ -6,7 +6,7 @@
 			url   = "git+https://git.voronind.com/voronind/linux.git";
 			flake = false;
 		};
-		applefonts.url = "git+https://git.voronind.com/voronind/nix_applefonts.git";
+		applefonts.url = "git+file:.?dir=.config/linux/system/derivation/apple_font";
 
 		# Nvim plugins.
 		nvimAlign = {

.config/linux/system/module/common/Wallpaper.nix

@@ -1,3 +1,3 @@
 { environment, ... }: {
-	environment.etc.wallpaper.source = ../../../wallpaper; # TODO: Use a path relative to repo.
+	environment.etc.wallpaper.source = ./wallpaper;
 }

.config/linux/system/module/common/nvim/plugin/Treesitter.lua

@@ -1,4 +1,5 @@
 require("nvim-treesitter.configs").setup {
+	parser_install_dir = "~/.cache/treesitter",
 	auto_install     = true,
 	-- ensure_installed = "all",
 	sync_install     = false,