From 2d72e0e3ee5ef4b7b978e353cc59b45eabf7b12a Mon Sep 17 00:00:00 2001
From: Benedikt Ritter <beneritter@gmail.com>
Date: Fri, 25 Apr 2025 19:30:06 +0000
Subject: [PATCH] Tweak getting Java major version

Co-authored-by: Olli Helenius <liff@iki.fi>
---
 pkgs/development/tools/build-managers/gradle/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/development/tools/build-managers/gradle/default.nix b/pkgs/development/tools/build-managers/gradle/default.nix
index 2540f210d423..d8a277b57e23 100644
--- a/pkgs/development/tools/build-managers/gradle/default.nix
+++ b/pkgs/development/tools/build-managers/gradle/default.nix
@@ -288,7 +288,7 @@ rec {
             tests = {
               toolchains =
                 let
-                  javaVersion = lib.substring 0 2 (lib.getVersion jdk23);
+                  javaVersion = lib.versions.major (lib.getVersion jdk23);
                 in
                 runCommand "detects-toolchains-from-nix-env"
                   {