From 0454669656ce08668cad8e5aaad1536339ae737d Mon Sep 17 00:00:00 2001
From: Mike McQuaid <mike@mikemcquaid.com>
Date: Wed, 13 Sep 2023 09:31:34 +0100
Subject: [PATCH] utils/shared_audits: handle 404 metadata errors from GitLab
 API.

Fixes #15995.
---
 Library/Homebrew/utils/shared_audits.rb | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Library/Homebrew/utils/shared_audits.rb b/Library/Homebrew/utils/shared_audits.rb
index af3ff7913b..923245645a 100644
--- a/Library/Homebrew/utils/shared_audits.rb
+++ b/Library/Homebrew/utils/shared_audits.rb
@@ -59,7 +59,9 @@ module SharedAudits
     @gitlab_repo_data ||= {}
     @gitlab_repo_data["#{user}/#{repo}"] ||= begin
       out, _, status = Utils::Curl.curl_output("https://gitlab.com/api/v4/projects/#{user}%2F#{repo}")
-      JSON.parse(out) if status.success?
+      json = JSON.parse(out) if status.success?
+      json = nil if json&.dig("message")&.include?("404 Project Not Found")
+      json
     end
   end