snell: init at 5.0.1 (#476546)

pkgs/by-name/sn/snell/package.nix

@@ -0,0 +1,54 @@
+{
+  lib,
+  stdenv,
+  fetchzip,
+  autoPatchelfHook,
+  upx,
+}:
+let
+  platformMap = {
+    "x86_64-linux" = "linux-amd64";
+    "aarch64-linux" = "linux-aarch64";
+  };
+  system = stdenv.hostPlatform.system;
+  platform = platformMap.${system} or (throw "Unsupported platform: ${system}");
+  hashs = {
+    "x86_64-linux" = "sha256-J2kRVJRC0GhxLMarg7Ucdk8uvzTsKbFHePEflPjwsHU=";
+    "aarch64-linux" = "sha256-UT+Rd6TEMYL/+xfqGxGN/tiSBvN8ntDrkCBj4PuMRwg=";
+  };
+in
+stdenv.mkDerivation (finalAttrs: {
+  pname = "snell-server";
+  version = "5.0.1";
+
+  src = fetchzip {
+    url = "https://dl.nssurge.com/snell/snell-server-v${finalAttrs.version}-${platform}.zip";
+    hash = hashs.${system};
+  };
+
+  nativeBuildInputs = [
+    upx
+    autoPatchelfHook
+  ];
+  buildInputs = [
+    (lib.getLib stdenv.cc.cc)
+  ];
+  installPhase = ''
+    runHook preInstall
+    upx -d snell-server
+    install -Dm755 snell-server $out/bin/snell-server
+    runHook postInstall
+  '';
+
+  meta = {
+    description = "Lean encrypted proxy protocol";
+    homepage = "https://kb.nssurge.com/surge-knowledge-base/release-notes/snell";
+    license = lib.licenses.unfree;
+    sourceProvenance = with lib.sourceTypes; [ binaryNativeCode ];
+    platforms = lib.attrNames platformMap;
+    maintainers = with lib.maintainers; [
+      mlyxshi
+    ];
+    mainProgram = "snell-server";
+  };
+})