From 3c70b00f18e907547a7e7e118cc2e55d1509a8e0 Mon Sep 17 00:00:00 2001
From: Ryan Hendrickson <ryan.hendrickson@alum.mit.edu>
Date: Sat, 7 Jan 2023 19:28:19 -0500
Subject: [PATCH] nailgun: split into client and server

---
 pkgs/development/tools/nailgun/default.nix | 73 +++++++++++++++-------
 1 file changed, 51 insertions(+), 22 deletions(-)

diff --git a/pkgs/development/tools/nailgun/default.nix b/pkgs/development/tools/nailgun/default.nix
index d5799b599a2a..2d8b075a685c 100644
--- a/pkgs/development/tools/nailgun/default.nix
+++ b/pkgs/development/tools/nailgun/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchMavenArtifact, fetchFromGitHub, jre, makeWrapper }:
+{ lib, stdenv, stdenvNoCC, fetchMavenArtifact, fetchFromGitHub, jre, makeWrapper, symlinkJoin }:
 
 let
   version = "1.0.0";
@@ -8,33 +8,62 @@ let
     inherit version;
     sha256 = "1mk8pv0g2xg9m0gsb96plbh6mc24xrlyrmnqac5mlbl4637l4q95";
   };
-in
-stdenv.mkDerivation {
-  pname = "nailgun";
-  inherit version;
 
-  src = fetchFromGitHub {
-    owner = "facebook";
-    repo = "nailgun";
-    rev = "nailgun-all-v${version}";
-    sha256 = "1syyk4ss5vq1zf0ma00svn56lal53ffpikgqgzngzbwyksnfdlh6";
+  commonMeta = {
+    license = lib.licenses.asl20;
+    homepage = "http://www.martiansoftware.com/nailgun/";
+    platforms = lib.platforms.linux;
+    maintainers = with lib.maintainers; [ ];
   };
 
-  makeFlags = [ "PREFIX=$(out)" ];
+  server = stdenvNoCC.mkDerivation {
+    pname = "nailgun-server";
+    inherit version;
 
-  nativeBuildInputs = [ makeWrapper ];
+    nativeBuildInputs = [ makeWrapper ];
 
-  postInstall = ''
-    makeWrapper ${jre}/bin/java $out/bin/ng-server \
-      --add-flags '-classpath ${nailgun-server.jar}:$CLASSPATH com.facebook.nailgun.NGServer'
-  '';
+    dontUnpack = true;
+    installPhase = ''
+      runHook preInstall
 
-  meta = with lib; {
+      makeWrapper ${jre}/bin/java $out/bin/ng-server \
+        --add-flags '-classpath ${nailgun-server.jar}:$CLASSPATH com.facebook.nailgun.NGServer'
+
+      runHook postInstall
+    '';
+
+    meta = commonMeta // {
+      description = "Server for running Java programs from the command line without incurring the JVM startup overhead";
+      sourceProvenance = with lib.sourceTypes; [ binaryBytecode ];
+    };
+  };
+
+  client = stdenv.mkDerivation {
+    pname = "nailgun-client";
+    inherit version;
+
+    src = fetchFromGitHub {
+      owner = "facebook";
+      repo = "nailgun";
+      rev = "nailgun-all-v${version}";
+      sha256 = "1syyk4ss5vq1zf0ma00svn56lal53ffpikgqgzngzbwyksnfdlh6";
+    };
+
+    makeFlags = [ "PREFIX=$(out)" ];
+
+    meta = commonMeta // {
+      description = "Client for running Java programs from the command line without incurring the JVM startup overhead";
+    };
+  };
+in
+symlinkJoin rec {
+  pname = "nailgun";
+  inherit client server version;
+
+  name = "${pname}-${version}";
+  paths = [ client server ];
+
+  meta = commonMeta // {
     description = "Client, protocol, and server for running Java programs from the command line without incurring the JVM startup overhead";
-    homepage = "http://www.martiansoftware.com/nailgun/";
-    sourceProvenance = with sourceTypes; [ binaryBytecode ];
-    license = licenses.asl20;
-    platforms = platforms.linux;
-    maintainers = with maintainers; [ ];
   };
 }