From 75ff2c1944385432f118feb33ba9ef4f5c0ed92e Mon Sep 17 00:00:00 2001
From: ajs124 <git@ajs124.de>
Date: Fri, 26 Jan 2024 12:33:48 +0100
Subject: ruby-modules/gem-config: make prometheus-client-mmap not have a rustc
 runtime dependency

(cherry picked from commit aceb9c97d7d5f1a9dd86e2d38f256f62f17028d0)
---
 pkgs/development/ruby-modules/gem-config/default.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkgs/development/ruby-modules/gem-config/default.nix b/pkgs/development/ruby-modules/gem-config/default.nix
index 97715659be0d..12b795238891 100644
--- a/pkgs/development/ruby-modules/gem-config/default.nix
+++ b/pkgs/development/ruby-modules/gem-config/default.nix
@@ -320,10 +320,16 @@ in
       rustPlatform.cargoSetupHook
       rustPlatform.bindgenHook
     ];
+    disallowedReferences = [
+      rustc.unwrapped
+    ];
     preBuild = ''
       cat ../.cargo/config > ext/fast_mmaped_file_rs/.cargo/config.toml
       sed -i "s|cargo-vendor-dir|$PWD/../cargo-vendor-dir|" ext/fast_mmaped_file_rs/.cargo/config.toml
     '';
+    postInstall = ''
+      find $out -type f -name .rustc_info.json -delete
+    '';
   };
 
   glib2 = attrs: {
-- 
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