Merge pull request #18350 from Homebrew/fail-when-no-longer-all-bottle

dev-cmd/bottle: improve `:all` bottle handling

Library/Homebrew/dev-cmd/bottle.rb

@@ -743,6 +743,14 @@ def merge
                        tag_hashes.count > 1 &&
                        tag_hashes.uniq { |tag_hash| "#{tag_hash["cellar"]}-#{tag_hash["sha256"]}" }.count == 1
 
+          old_all_bottle = old_bottle_spec.tag?(Utils::Bottles.tag(:all))
+          if !all_bottle && old_all_bottle && !args.no_all_checks?
+            odie <<~ERROR
+              #{formula} should have an `:all` bottle but one cannot be created:
+              #{JSON.pretty_generate(tag_hashes)}
+            ERROR
+          end
+
           bottle_hash["bottle"]["tags"].each do |tag, tag_hash|
             cellar = tag_hash["cellar"]
             cellar = cellar.to_sym if any_cellars.include?(cellar)