pingtcp: modernize

pkgs/by-name/pi/pingtcp/package.nix

@@ -5,15 +5,15 @@
   cmake,
 }:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   pname = "pingtcp";
   version = "0.0.3";
 
   src = fetchFromGitHub {
     owner = "LanetNetwork";
     repo = "pingtcp";
-    sha256 = "1cv84n30y03s1b83apxxyn2jv5ss1pywsahrfrpkb6zcgzzrcqn8";
-    tag = "v${version}";
+    hash = "sha256-yGKW/3/smzVvdhkqzf0NWpcthfW9XzXQCnoAD4YlaLM=";
+    tag = "v${finalAttrs.version}";
     fetchSubmodules = true;
   };
 
@@ -30,11 +30,11 @@ stdenv.mkDerivation rec {
     install -Dm644 {..,$out/share/doc/pingtcp}/README.md
   '';
 
-  meta = with lib; {
+  meta = {
     description = "Measure TCP handshake time";
     homepage = "https://github.com/LanetNetwork/pingtcp";
-    license = licenses.gpl3;
-    platforms = platforms.linux;
+    license = lib.licenses.gpl3;
+    platforms = lib.platforms.linux;
     mainProgram = "pingtcp";
   };
-}
+})