Merge pull request #7929 from MikeMcQuaid/diagnostic-allow-gems

diagnostic: allow some uncommitted gems.

Library/Homebrew/diagnostic.rb

@@ -670,6 +670,11 @@ module Homebrew
           end
           next if status.blank?
 
+          # these will result in uncommitted gems.
+          if path == HOMEBREW_REPOSITORY
+            next if ENV["HOMEBREW_SORBET"] || ENV["HOMEBREW_PATCHELF_RB"]
+          end
+
           message ||= ""
           message += "\n" unless message.empty?
           message += <<~EOS