readall: fix no simulate

This wasn't working with casks because the bottle tag
would be nil here.

It was refactored to not use the bottle tag because
casks don't have bottles.

I also moved the valid_casks? method to extend/os/mac
because casks only run on macOS and the generic OS
tests were failing before.

Library/Homebrew/extend/os/linux/readall.rb

@@ -1,10 +0,0 @@
-# typed: true
-# frozen_string_literal: true
-
-module Readall
-  class << self
-    def valid_casks?(_casks, bottle_tag: nil)
-      true
-    end
-  end
-end

Library/Homebrew/extend/os/mac/readall.rb

@@ -0,0 +1,37 @@
+# typed: true
+# frozen_string_literal: true
+
+module Readall
+  class << self
+    def valid_casks?(casks, os_name: nil, arch: Hardware::CPU.type)
+      return true if os_name == :linux
+
+      current_macos_version = if os_name.is_a?(Symbol)
+        MacOS::Version.from_symbol(os_name)
+      else
+        MacOS.version
+      end
+
+      success = T.let(true, T::Boolean)
+      casks.each do |file|
+        cask = Cask::CaskLoader.load(file)
+
+        # Fine to have missing URLs for unsupported macOS
+        macos_req = cask.depends_on.macos
+        next if macos_req&.version && Array(macos_req.version).none? do |macos_version|
+          current_macos_version.public_send(macos_req.comparator, macos_version)
+        end
+
+        raise "Missing URL" if cask.url.nil?
+      rescue Interrupt
+        raise
+      rescue Exception => e # rubocop:disable Lint/RescueException
+        os_and_arch = "macOS #{current_macos_version} on #{arch}"
+        onoe "Invalid cask (#{os_and_arch}): #{file}"
+        $stderr.puts e
+        success = false
+      end
+      success
+    end
+  end
+end

Library/Homebrew/extend/os/readall.rb

@@ -1,4 +1,4 @@
 # typed: strict
 # frozen_string_literal: true
 
-require "extend/os/linux/readall" if OS.linux?
+require "extend/os/mac/readall" if OS.mac?

Library/Homebrew/readall.rb

@@ -62,28 +62,8 @@ module Readall
       success
     end
 
-    def valid_casks?(casks, bottle_tag: nil)
-      return true if bottle_tag.present? && bottle_tag.system == :linux
-
-      success = T.let(true, T::Boolean)
-      casks.each do |file|
-        cask = Cask::CaskLoader.load(file)
-
-        # Fine to have missing URLs for unsupported macOS
-        macos_req = cask.depends_on.macos
-        next if macos_req&.version && Array(macos_req.version).none? do |macos_version|
-          bottle_tag.to_macos_version.public_send(macos_req.comparator, macos_version)
-        end
-
-        raise "Missing URL" if cask.url.nil?
-      rescue Interrupt
-        raise
-      rescue Exception => e # rubocop:disable Lint/RescueException
-        onoe "Invalid cask (#{bottle_tag}): #{file}"
-        $stderr.puts e
-        success = false
-      end
-      success
+    def valid_casks?(_casks, os_name: nil, arch: nil)
+      true
     end
 
     def valid_tap?(tap, options = {})
@@ -108,7 +88,7 @@ module Readall
               Homebrew::SimulateSystem.os = os_name
 
               success = false unless valid_formulae?(tap.formula_files, bottle_tag: bottle_tag)
-              success = false unless valid_casks?(tap.cask_files, bottle_tag: bottle_tag)
+              success = false unless valid_casks?(tap.cask_files, os_name: os_name, arch: arch)
             ensure
               Homebrew::SimulateSystem.clear
             end