From 8a7f445d1f1095cf2587f6d4e3e9fde630459f7e Mon Sep 17 00:00:00 2001
From: hyuraku <32809703+hyuraku@users.noreply.github.com>
Date: Wed, 17 Aug 2022 22:14:05 +0900
Subject: [PATCH] repair how to show casks to be installed

---
 Library/Homebrew/cask/cmd/install.rb | 21 ++++++++++++++++++++-
 Library/Homebrew/cask/installer.rb   | 11 +++--------
 2 files changed, 23 insertions(+), 9 deletions(-)

diff --git a/Library/Homebrew/cask/cmd/install.rb b/Library/Homebrew/cask/cmd/install.rb
index 2d477f10e8..6c4d71572a 100644
--- a/Library/Homebrew/cask/cmd/install.rb
+++ b/Library/Homebrew/cask/cmd/install.rb
@@ -70,14 +70,33 @@ module Cask
           quarantine:     quarantine,
           quiet:          quiet,
           zap:            zap,
-          dry_run:        dry_run,
         }.compact
 
         options[:quarantine] = true if options[:quarantine].nil?
 
+        if dry_run
+          casks_to_install = casks.reject(&:installed?)
+          if casks_to_install.present?
+            ohai "Would install #{casks_to_install.count} #{"package".pluralize(casks_to_install.count)}:"
+            puts casks_to_install.map(&:full_name).join(" ")
+          end
+        end
+
         require "cask/installer"
 
         casks.each do |cask|
+          if dry_run
+            dep_names = CaskDependent.new(cask)
+                                     .runtime_dependencies
+                                     .reject(&:installed?)
+                                     .map(&:to_formula)
+                                     .map(&:name)
+            if dep_names.present?
+              ohai "Would install #{dep_names.count} #{"dependency".pluralize(dep_names.count)} for #{cask.full_name}:"
+              puts dep_names.join(" ")
+            end
+            next
+          end
           Installer.new(cask, **options).install
         rescue CaskAlreadyInstalledError => e
           opoo e.message
diff --git a/Library/Homebrew/cask/installer.rb b/Library/Homebrew/cask/installer.rb
index e13eb423e3..18337bd043 100644
--- a/Library/Homebrew/cask/installer.rb
+++ b/Library/Homebrew/cask/installer.rb
@@ -24,7 +24,7 @@ module Cask
                    skip_cask_deps: false, binaries: true, verbose: false,
                    zap: false, require_sha: false, upgrade: false,
                    installed_as_dependency: false, quarantine: true,
-                   verify_download_integrity: true, quiet: false, dry_run: false)
+                   verify_download_integrity: true, quiet: false)
       @cask = cask
       @command = command
       @force = force
@@ -39,12 +39,11 @@ module Cask
       @quarantine = quarantine
       @verify_download_integrity = verify_download_integrity
       @quiet = quiet
-      @dry_run = dry_run
     end
 
     attr_predicate :binaries?, :force?, :skip_cask_deps?, :require_sha?,
                    :reinstall?, :upgrade?, :verbose?, :zap?, :installed_as_dependency?,
-                   :quarantine?, :quiet?, :dry_run?
+                   :quarantine?, :quiet?
 
     def self.caveats(cask)
       odebug "Printing caveats"
@@ -97,13 +96,9 @@ module Cask
       check_conflicts
 
       print caveats
-      if dry_run?
-        puts "#{Formatter.identifier(@cask)} would be installed"
-        exit
-      end
+
       fetch
       uninstall_existing_cask if reinstall?
-
       backup if force? && @cask.staged_path.exist? && @cask.metadata_versioned_path.exist?
 
       oh1 "Installing Cask #{Formatter.identifier(@cask)}"