Merge pull request #11742 from carlocab/pour-default-prefix

formula: add `:default_prefix` as a standard `pour_bottle?` requirement

Library/Homebrew/formula.rb

@@ -3016,6 +3016,13 @@ class Formula
             T.cast(self, PourBottleCheck).satisfy { MacOS::CLT.installed? }
           end
         end
+      when :default_prefix
+        lambda do |_|
+          T.cast(self, PourBottleCheck).reason(+<<~EOS)
+            The bottle needs to be installed into #{Homebrew::DEFAULT_PREFIX}.
+          EOS
+          T.cast(self, PourBottleCheck).satisfy { HOMEBREW_PREFIX.to_s == Homebrew::DEFAULT_PREFIX }
+        end
       else
         raise ArgumentError, "Invalid preset `pour_bottle?` condition" if only_if.present?
       end