From 3040c1ebd00c1895cea71ceea3b1e3926b3cd1b9 Mon Sep 17 00:00:00 2001
From: Peter Hoeg <peter@hoeg.com>
Date: Sat, 27 Jul 2024 10:31:11 +0200
Subject: [PATCH] ruby: add mainProgram

---
 pkgs/development/interpreters/ruby/default.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/development/interpreters/ruby/default.nix b/pkgs/development/interpreters/ruby/default.nix
index b7f765c213d4..799f7765329c 100644
--- a/pkgs/development/interpreters/ruby/default.nix
+++ b/pkgs/development/interpreters/ruby/default.nix
@@ -269,6 +269,7 @@ let
           license     = licenses.ruby;
           maintainers = with maintainers; [ manveru ];
           platforms   = platforms.all;
+          mainProgram = "ruby";
           knownVulnerabilities = op (lib.versionOlder ver.majMin "3.0") "This Ruby release has reached its end of life. See https://www.ruby-lang.org/en/downloads/branches/.";
         };