Refactor flake patching/recursion

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

packages/obsidian/plugins/languagetool/default.nix

@@ -1,13 +1,13 @@
 { pkgs, ... }:
 # AUTO-UPDATE: nix-update --flake obsidian-plugin-languagetool
-pkgs.stdenv.mkDerivation rec {
+pkgs.stdenv.mkDerivation (finalAttrs: {
   pname = "languagetool";
   version = "0.3.7";
 
   src = pkgs.fetchFromGitHub {
     owner = "Clemens-E";
     repo = "obsidian-languagetool-plugin";
-    rev = version;
+    rev = finalAttrs.version;
     hash = "sha256-OsdOOrXNoraKuFPqvgn6pj6ZagEbiFCJyQ529eyZXUU=";
   };
 
@@ -17,7 +17,7 @@ pkgs.stdenv.mkDerivation rec {
   ];
 
   offlineCache = pkgs.fetchYarnDeps {
-    yarnLock = src + "/yarn.lock";
+    yarnLock = finalAttrs.src + "/yarn.lock";
     hash = "sha256-749RGQmg9Mte7TR6k3qP6xcb8+rj/C60LYLbF8j8gNc=";
   };
 
@@ -34,4 +34,4 @@ pkgs.stdenv.mkDerivation rec {
     cp ./main.js $out/main.js
     cp ./styles.css $out/styles.css
   '';
-}
+})