Merge pull request #16714 from reitermarkus/tap-cask-files

Support `Tap#cask_files` when using API.

Library/Homebrew/diagnostic.rb

@@ -936,16 +936,11 @@ module Homebrew
       end
 
       def check_cask_taps
-        default_cask_tap = CoreCaskTap.instance
-        taps = Tap.select { |t| t.cask_dir.exist? && t != default_cask_tap }
-        taps.prepend(default_cask_tap) if EnvConfig.no_install_from_api?
-
         error_tap_paths = []
 
+        taps = (Tap.to_a + [CoreCaskTap.instance]).uniq
+
         add_info "Homebrew Cask Taps:", (taps.map do |tap|
-          if tap.path.blank?
-            none_string
-          else
           cask_count = begin
             tap.cask_files.count
           rescue
@@ -954,7 +949,6 @@ module Homebrew
           end
 
           "#{tap.path} (#{Utils.pluralize("cask", cask_count, include_count: true)})"
-          end
         end)
 
         taps_string = Utils.pluralize("tap", error_tap_paths.count)

Library/Homebrew/tap.rb

@@ -1198,9 +1198,9 @@ class CoreCaskTap < AbstractCoreTap
 
   sig { override.returns(T::Array[Pathname]) }
   def cask_files
-    return super if Homebrew::EnvConfig.no_install_from_api? || installed?
+    return super if Homebrew::EnvConfig.no_install_from_api?
 
-    raise TapUnavailableError, name
+    cask_files_by_name.values
   end
 
   sig { override.returns(T::Array[String]) }