From d6bd313f07889bdeb9aefd95a7bcdb4cbb108fda Mon Sep 17 00:00:00 2001
From: ilkecan <ilkecan@protonmail.com>
Date: Thu, 5 May 2022 14:25:27 +0000
Subject: [PATCH] buildRustCrate: set meta.mainProgram to crateName

---
 pkgs/build-support/rust/build-rust-crate/default.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/build-support/rust/build-rust-crate/default.nix b/pkgs/build-support/rust/build-rust-crate/default.nix
index eea1e3baeec..e122871f8f5 100644
--- a/pkgs/build-support/rust/build-rust-crate/default.nix
+++ b/pkgs/build-support/rust/build-rust-crate/default.nix
@@ -346,6 +346,9 @@ crate_: lib.makeOverridable
       outputs = if buildTests then [ "out" ] else [ "out" "lib" ];
       outputDev = if buildTests then [ "out" ] else [ "lib" ];
 
+      meta = {
+        mainProgram = crateName;
+      };
     } // extraDerivationAttrs
     )
   )