From 00f867eab93fa52dbd1278e601fbc999d24d25d9 Mon Sep 17 00:00:00 2001
From: Caroline Larimore <caroline@larimo.re>
Date: Sat, 3 May 2025 14:44:55 -0700
Subject: package: fernflower

---
 packages/fernflower/default.nix | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 packages/fernflower/default.nix

diff --git a/packages/fernflower/default.nix b/packages/fernflower/default.nix
new file mode 100644
index 0000000..1077b6e
--- /dev/null
+++ b/packages/fernflower/default.nix
@@ -0,0 +1,23 @@
+{ lib, pkgs, stdenvNoCC, ... }:
+
+let
+  engine = stdenvNoCC.mkDerivation rec {
+    pname = "java-decompiler-engine";
+    version = "242.26775.15";
+
+    src = pkgs.fetchurl {
+      url = "https://www.jetbrains.com/intellij-repository/releases/com/jetbrains/intellij/java/${pname}/${version}/${pname}-${version}.jar";
+      hash = "sha256-y9/Jmh+FCmbBQdbUE4jPcTL+4gylxahP7sGPVElec4s=";
+    };
+
+    dontUnpack = true;
+
+    installPhase = ''
+      runHook preInstall
+      install -Dm755 $src $out
+      runHook postInstall
+    '';
+  };
+in pkgs.writeShellScriptBin "fernflower" ''
+  exec ${pkgs.jdk}/bin/java -jar ${engine} "$@"
+''
-- 
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