pkgs/tools: stdenv.lib -> lib

pkgs/tools/text/qgrep/default.nix

@@ -12,21 +12,21 @@ stdenv.mkDerivation rec {
     fetchSubmodules = true;
   };
 
-  patches = stdenv.lib.optionals stdenv.isDarwin [
+  patches = lib.optionals stdenv.isDarwin [
     (fetchpatch {
       url = "https://github.com/zeux/qgrep/commit/21c4d1a5ab0f0bdaa0b5ca993c1315c041418cc6.patch";
       sha256 = "0wpxzrd9pmhgbgby17vb8279xwvkxfdd99gvv7r74indgdxqg7v8";
     })
   ];
 
-  buildInputs = stdenv.lib.optionals stdenv.isDarwin [ CoreServices CoreFoundation ];
+  buildInputs = lib.optionals stdenv.isDarwin [ CoreServices CoreFoundation ];
 
-  postPatch = stdenv.lib.optionalString stdenv.isAarch64 ''
+  postPatch = lib.optionalString stdenv.isAarch64 ''
     substituteInPlace Makefile \
       --replace "-msse2" "" --replace "-DUSE_SSE2" ""
   '';
 
-  installPhase = '' 
+  installPhase = ''
     install -Dm755 qgrep $out/bin/qgrep
   '';