ndpi: add changelog to meta

pkgs/development/libraries/ndpi/default.nix

@@ -1,13 +1,14 @@
 { lib
 , stdenv
-, fetchFromGitHub
-, which
 , autoconf
 , automake
-, libtool
-, libpcap
+, fetchFromGitHub
 , json_c
-, pkg-config }:
+, libpcap
+, libtool
+, pkg-config
+, which
+}:
 
 stdenv.mkDerivation rec {
   pname = "ndpi";
@@ -16,16 +17,23 @@ stdenv.mkDerivation rec {
   src = fetchFromGitHub {
     owner = "ntop";
     repo = "nDPI";
-    rev = version;
-    sha256 = "sha256-ZWWuyPGl+hbrfXdtPvCBqMReuJ4FiGx+qiI7qCz6wtQ=";
+    rev = "refs/tags/${version}";
+    hash = "sha256-ZWWuyPGl+hbrfXdtPvCBqMReuJ4FiGx+qiI7qCz6wtQ=";
   };
 
   configureScript = "./autogen.sh";
 
-  nativeBuildInputs = [ which autoconf automake libtool pkg-config ];
+  nativeBuildInputs = [
+    autoconf
+    automake
+    libtool
+    pkg-config
+    which
+  ];
+
   buildInputs = [
-    libpcap
     json_c
+    libpcap
   ];
 
   meta = with lib; {
@@ -34,6 +42,7 @@ stdenv.mkDerivation rec {
       nDPI is a library for deep-packet inspection based on OpenDPI.
     '';
     homepage = "https://www.ntop.org/products/deep-packet-inspection/ndpi/";
+    changelog = "https://github.com/ntop/nDPI/blob/${version}/CHANGELOG.md";
     license = with licenses; [ lgpl3Plus bsd3 ];
     maintainers = with maintainers; [ takikawa ];
     mainProgram = "ndpiReader";