From 573f1954b001e16c89b431a99e7c95f012275e28 Mon Sep 17 00:00:00 2001
From: xenia <xenia@awoo.systems>
Date: Wed, 10 Apr 2024 12:29:18 -0400
Subject: [PATCH] ghidra: make headless

---
 README.md                         | 10 ++++++++--
 default.nix                       | 12 +++++++-----
 modules/ghidra-server/default.nix |  4 ++--
 3 files changed, 17 insertions(+), 9 deletions(-)

diff --git a/README.md b/README.md
index c69a01d..bae7217 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ dragnpkgs provides a set of nixos modules and a nixpkgs overlay containing custo
 }
 ```
 
-## documentation
+## options documentation
 
 documentation for options provided by dragnpkgs
 
@@ -44,7 +44,7 @@ adds a system package for the CLI tool `ghidra-svrAdmin`, which allows anyone in
 to administer the server (this corresponds to the `server/svrAdmin` tool in the stock ghidra
 distribution)
 
-#### services.ghidra-server.{package, jdkPackage} (`ghidra`, `openjdk17`)
+#### services.ghidra-server.{package, jdkPackage} (`ghidra_headless`, `openjdk17_headless`)
 
 allows overriding the ghidra package and jdk package used for the server
 
@@ -67,6 +67,12 @@ the service user and group
 
 ### more coming soon(tm)
 
+## packages documentation
+
+### `ghidra_headless`
+
+a variant of ghidra built with a headless openjdk, intended to reduce closure size for server
+operation
 
 ## licensing
 
diff --git a/default.nix b/default.nix
index c4d1b73..05a7378 100644
--- a/default.nix
+++ b/default.nix
@@ -5,9 +5,11 @@
     ./modules/ghidra-server
   ];
 
-  # nixpkgs.overlays = [
-  #   (final: prev: {
-  #
-  #   })
-  # ];
+  nixpkgs.overlays = [
+    (final: prev: {
+      ghidra_headless = prev.ghidra.override {
+        openjdk17 = prev.openjdk17_headless;
+      };
+    })
+  ];
 }
diff --git a/modules/ghidra-server/default.nix b/modules/ghidra-server/default.nix
index f3c5597..5ef7682 100644
--- a/modules/ghidra-server/default.nix
+++ b/modules/ghidra-server/default.nix
@@ -9,8 +9,8 @@ in {
   options.services.ghidra-server = {
     enable = mkEnableOption "ghidra-server";
     enableAdminCli = mkEnableOption "ghidra-svrAdmin";
-    package = mkPackageOption pkgs "ghidra" {  };
-    jdkPackage = mkPackageOption pkgs "openjdk17" {  };
+    package = mkPackageOption pkgs "ghidra_headless" {  };
+    jdkPackage = mkPackageOption pkgs "openjdk17_headless" {  };
     host = mkOption {
       default = null;
       defaultText = literalExpression "null";