diff --git a/Library/Homebrew/cask/lib/hbc/artifact/nested_container.rb b/Library/Homebrew/cask/lib/hbc/artifact/nested_container.rb
index ca669267f5..4aeff588b0 100644
--- a/Library/Homebrew/cask/lib/hbc/artifact/nested_container.rb
+++ b/Library/Homebrew/cask/lib/hbc/artifact/nested_container.rb
@@ -28,7 +28,7 @@ module Hbc
         end
 
         ohai "Extracting nested container #{path.relative_path_from(cask.staged_path)}"
-        container.new(cask, path, command, verbose: verbose).extract(to: cask.staged_path)
+        container.new(cask, path, command).extract(to: cask.staged_path, verbose: verbose)
         FileUtils.remove_entry_secure(path)
       end
     end
diff --git a/Library/Homebrew/cask/lib/hbc/container/air.rb b/Library/Homebrew/cask/lib/hbc/container/air.rb
index 6b3ac97923..ed069ee402 100644
--- a/Library/Homebrew/cask/lib/hbc/container/air.rb
+++ b/Library/Homebrew/cask/lib/hbc/container/air.rb
@@ -7,7 +7,7 @@ module Hbc
         path.extname == ".air"
       end
 
-      def extract_to_dir(unpack_dir, basename:)
+      def extract_to_dir(unpack_dir, basename:, verbose:)
         @command.run!(
           "/Applications/Utilities/Adobe AIR Application Installer.app/Contents/MacOS/Adobe AIR Application Installer",
           args: ["-silent", "-location", unpack_dir, path],
diff --git a/Library/Homebrew/cask/lib/hbc/container/base.rb b/Library/Homebrew/cask/lib/hbc/container/base.rb
index 9e9d595a97..e8ea103c16 100644
--- a/Library/Homebrew/cask/lib/hbc/container/base.rb
+++ b/Library/Homebrew/cask/lib/hbc/container/base.rb
@@ -5,23 +5,20 @@ module Hbc
 
       attr_reader :path
 
-      attr_predicate :verbose?
-
-      def initialize(cask, path, command, nested: false, verbose: false)
+      def initialize(cask, path, command, nested: false)
         @cask = cask
         @path = path
         @command = command
-        @verbose = verbose
       end
 
-      def extract(to: nil, basename: nil)
+      def extract(to: nil, basename: nil, verbose: false)
         basename ||= path.basename
         unpack_dir = Pathname(to || Dir.pwd).expand_path
         unpack_dir.mkpath
-        extract_to_dir(unpack_dir, basename: basename)
+        extract_to_dir(unpack_dir, basename: basename, verbose: verbose)
       end
 
-      def extract_nested_inside(dir, to:)
+      def extract_nested_inside(dir, to:, verbose: false)
         children = Pathname.new(dir).children
 
         nested_container = children[0]
@@ -29,7 +26,7 @@ module Hbc
         unless children.count == 1 &&
                !nested_container.directory? &&
                @cask.artifacts.none? { |a| a.is_a?(Artifact::NestedContainer) } &&
-               extract_nested_container(nested_container, to: to)
+               extract_nested_container(nested_container, to: to, verbose: verbose)
 
           children.each do |src|
             dest = @cask.staged_path.join(src.basename)
@@ -39,13 +36,13 @@ module Hbc
         end
       end
 
-      def extract_nested_container(source, to:)
+      def extract_nested_container(source, to:, verbose: false)
         container = Container.for_path(source)
 
         return false unless container
 
         ohai "Extracting nested container #{source.basename}"
-        container.new(@cask, source, @command, verbose: verbose?).extract(to: to)
+        container.new(@cask, source, @command).extract(to: to, verbose: verbose)
 
         true
       end
diff --git a/Library/Homebrew/cask/lib/hbc/container/bzip2.rb b/Library/Homebrew/cask/lib/hbc/container/bzip2.rb
index 78c4f096fb..9c9ebf0b5b 100644
--- a/Library/Homebrew/cask/lib/hbc/container/bzip2.rb
+++ b/Library/Homebrew/cask/lib/hbc/container/bzip2.rb
@@ -7,7 +7,7 @@ module Hbc
         magic_number.match?(/\ABZh/n)
       end
 
-      def extract_to_dir(unpack_dir, basename:)
+      def extract_to_dir(unpack_dir, basename:, verbose:)
         Dir.mktmpdir do |tmp_unpack_dir|
           tmp_unpack_dir = Pathname(tmp_unpack_dir)
 
diff --git a/Library/Homebrew/cask/lib/hbc/container/cab.rb b/Library/Homebrew/cask/lib/hbc/container/cab.rb
index 28c4a0c665..d104b99f30 100644
--- a/Library/Homebrew/cask/lib/hbc/container/cab.rb
+++ b/Library/Homebrew/cask/lib/hbc/container/cab.rb
@@ -7,7 +7,7 @@ module Hbc
         magic_number.match?(/\A(MSCF|MZ)/n)
       end
 
-      def extract_to_dir(unpack_dir, basename:)
+      def extract_to_dir(unpack_dir, basename:, verbose:)
         @command.run!("cabextract",
                       args: ["-d", unpack_dir, "--", path],
                       env: { "PATH" => PATH.new(Formula["cabextract"].opt_bin, ENV["PATH"]) })
diff --git a/Library/Homebrew/cask/lib/hbc/container/dmg.rb b/Library/Homebrew/cask/lib/hbc/container/dmg.rb
index a3ca9754e3..39e3a840a1 100644
--- a/Library/Homebrew/cask/lib/hbc/container/dmg.rb
+++ b/Library/Homebrew/cask/lib/hbc/container/dmg.rb
@@ -14,7 +14,7 @@ module Hbc
         !imageinfo.empty?
       end
 
-      def extract_to_dir(unpack_dir, basename:)
+      def extract_to_dir(unpack_dir, basename:, verbose:)
         mount do |mounts|
           begin
             raise CaskError, "No mounts found in '#{@path}'; perhaps it is a bad disk image?" if mounts.empty?
diff --git a/Library/Homebrew/cask/lib/hbc/container/generic_unar.rb b/Library/Homebrew/cask/lib/hbc/container/generic_unar.rb
index 0b3f2f8ea5..0713e54063 100644
--- a/Library/Homebrew/cask/lib/hbc/container/generic_unar.rb
+++ b/Library/Homebrew/cask/lib/hbc/container/generic_unar.rb
@@ -7,7 +7,7 @@ module Hbc
         false
       end
 
-      def extract_to_dir(unpack_dir, basename:)
+      def extract_to_dir(unpack_dir, basename:, verbose:)
         @command.run!("unar",
                       args: ["-force-overwrite", "-quiet", "-no-directory", "-output-directory", unpack_dir, "--", path],
                       env: { "PATH" => PATH.new(Formula["unar"].opt_bin, ENV["PATH"]) })
diff --git a/Library/Homebrew/cask/lib/hbc/container/gpg.rb b/Library/Homebrew/cask/lib/hbc/container/gpg.rb
index 10ca691338..af99d69e63 100644
--- a/Library/Homebrew/cask/lib/hbc/container/gpg.rb
+++ b/Library/Homebrew/cask/lib/hbc/container/gpg.rb
@@ -23,7 +23,7 @@ module Hbc
                       env: { "PATH" => PATH.new(Formula["gnupg"].opt_bin, ENV["PATH"]) })
       end
 
-      def extract_to_dir(unpack_dir, basename:)
+      def extract_to_dir(unpack_dir, basename:, verbose:)
         import_key
 
         Dir.mktmpdir do |tmp_unpack_dir|
diff --git a/Library/Homebrew/cask/lib/hbc/container/gzip.rb b/Library/Homebrew/cask/lib/hbc/container/gzip.rb
index bc67c64bb5..9a9405bcb0 100644
--- a/Library/Homebrew/cask/lib/hbc/container/gzip.rb
+++ b/Library/Homebrew/cask/lib/hbc/container/gzip.rb
@@ -7,7 +7,7 @@ module Hbc
         magic_number.match?(/\A\037\213/n)
       end
 
-      def extract_to_dir(unpack_dir, basename:)
+      def extract_to_dir(unpack_dir, basename:, verbose:)
         Dir.mktmpdir do |tmp_unpack_dir|
           tmp_unpack_dir = Pathname(tmp_unpack_dir)
 
diff --git a/Library/Homebrew/cask/lib/hbc/container/lzma.rb b/Library/Homebrew/cask/lib/hbc/container/lzma.rb
index 79be731bf4..d4da3ee500 100644
--- a/Library/Homebrew/cask/lib/hbc/container/lzma.rb
+++ b/Library/Homebrew/cask/lib/hbc/container/lzma.rb
@@ -7,7 +7,7 @@ module Hbc
         magic_number.match?(/\A\]\000\000\200\000/n)
       end
 
-      def extract_to_dir(unpack_dir, basename:)
+      def extract_to_dir(unpack_dir, basename:, verbose:)
         @command.run!("/usr/bin/ditto", args: ["--", path, unpack_dir])
         @command.run!("unlzma",
                       args: ["-q", "--", Pathname(unpack_dir).join(basename)],
diff --git a/Library/Homebrew/cask/lib/hbc/container/naked.rb b/Library/Homebrew/cask/lib/hbc/container/naked.rb
index 4b32a222b5..03ce00ea9a 100644
--- a/Library/Homebrew/cask/lib/hbc/container/naked.rb
+++ b/Library/Homebrew/cask/lib/hbc/container/naked.rb
@@ -7,7 +7,7 @@ module Hbc
         false
       end
 
-      def extract_to_dir(unpack_dir, basename:)
+      def extract_to_dir(unpack_dir, basename:, verbose:)
         @command.run!("/usr/bin/ditto", args: ["--", path, unpack_dir/basename])
       end
     end
diff --git a/Library/Homebrew/cask/lib/hbc/container/rar.rb b/Library/Homebrew/cask/lib/hbc/container/rar.rb
index 0d614af8e9..6d9c799d29 100644
--- a/Library/Homebrew/cask/lib/hbc/container/rar.rb
+++ b/Library/Homebrew/cask/lib/hbc/container/rar.rb
@@ -7,7 +7,7 @@ module Hbc
         magic_number.match?(/\ARar!/n)
       end
 
-      def extract_to_dir(unpack_dir, basename:)
+      def extract_to_dir(unpack_dir, basename:, verbose:)
         @command.run!("unrar",
                       args: ["x", "-inul", path, unpack_dir],
                       env: { "PATH" => PATH.new(Formula["unrar"].opt_bin, ENV["PATH"]) })
diff --git a/Library/Homebrew/cask/lib/hbc/container/seven_zip.rb b/Library/Homebrew/cask/lib/hbc/container/seven_zip.rb
index 0e860e96ef..61a6711d14 100644
--- a/Library/Homebrew/cask/lib/hbc/container/seven_zip.rb
+++ b/Library/Homebrew/cask/lib/hbc/container/seven_zip.rb
@@ -7,7 +7,7 @@ module Hbc
         magic_number.match?(/\A7z\xBC\xAF\x27\x1C/n)
       end
 
-      def extract_to_dir(unpack_dir, basename:)
+      def extract_to_dir(unpack_dir, basename:, verbose:)
         @command.run!("7zr",
                       args: ["x", "-y", "-bd", "-bso0", path, "-o#{unpack_dir}"],
                       env: { "PATH" => PATH.new(Formula["p7zip"].opt_bin, ENV["PATH"]) })
diff --git a/Library/Homebrew/cask/lib/hbc/container/svn_repository.rb b/Library/Homebrew/cask/lib/hbc/container/svn_repository.rb
index eaa5a8f213..b5294577ee 100644
--- a/Library/Homebrew/cask/lib/hbc/container/svn_repository.rb
+++ b/Library/Homebrew/cask/lib/hbc/container/svn_repository.rb
@@ -5,7 +5,7 @@ module Hbc
         (path/".svn").directory?
       end
 
-      def extract_to_dir(unpack_dir, basename:)
+      def extract_to_dir(unpack_dir, basename:, verbose:)
         @command.run!("svn", args: ["export", "--force", path, unpack_dir])
       end
     end
diff --git a/Library/Homebrew/cask/lib/hbc/container/tar.rb b/Library/Homebrew/cask/lib/hbc/container/tar.rb
index 5f7f401458..4dba394528 100644
--- a/Library/Homebrew/cask/lib/hbc/container/tar.rb
+++ b/Library/Homebrew/cask/lib/hbc/container/tar.rb
@@ -12,7 +12,7 @@ module Hbc
         end
       end
 
-      def extract_to_dir(unpack_dir, basename:)
+      def extract_to_dir(unpack_dir, basename:, verbose:)
         @command.run!("tar", args: ["xf", path, "-C", unpack_dir])
       end
     end
diff --git a/Library/Homebrew/cask/lib/hbc/container/xar.rb b/Library/Homebrew/cask/lib/hbc/container/xar.rb
index 7b653a787c..87195accbd 100644
--- a/Library/Homebrew/cask/lib/hbc/container/xar.rb
+++ b/Library/Homebrew/cask/lib/hbc/container/xar.rb
@@ -7,7 +7,7 @@ module Hbc
         magic_number.match?(/\Axar!/n)
       end
 
-      def extract_to_dir(unpack_dir, basename:)
+      def extract_to_dir(unpack_dir, basename:, verbose:)
         @command.run!("xar", args: ["-x", "-f", @path, "-C", unpack_dir])
       end
     end
diff --git a/Library/Homebrew/cask/lib/hbc/container/xz.rb b/Library/Homebrew/cask/lib/hbc/container/xz.rb
index 043bf50152..35a2ba82cc 100644
--- a/Library/Homebrew/cask/lib/hbc/container/xz.rb
+++ b/Library/Homebrew/cask/lib/hbc/container/xz.rb
@@ -7,7 +7,7 @@ module Hbc
         magic_number.match?(/\A\xFD7zXZ\x00/n)
       end
 
-      def extract_to_dir(unpack_dir, basename:)
+      def extract_to_dir(unpack_dir, basename:, verbose:)
         @command.run!("/usr/bin/ditto", args: ["--", path, unpack_dir])
         @command.run!("unxz",
                       args: ["-q", "--", unpack_dir/basename],
diff --git a/Library/Homebrew/cask/lib/hbc/container/zip.rb b/Library/Homebrew/cask/lib/hbc/container/zip.rb
index 390ee48421..dacbfd7fd4 100644
--- a/Library/Homebrew/cask/lib/hbc/container/zip.rb
+++ b/Library/Homebrew/cask/lib/hbc/container/zip.rb
@@ -7,7 +7,7 @@ module Hbc
         magic_number.match?(/\APK(\003\004|\005\006)/n)
       end
 
-      def extract_to_dir(unpack_dir, basename:)
+      def extract_to_dir(unpack_dir, basename:, verbose:)
         Dir.mktmpdir do |tmp_unpack_dir|
           @command.run!("/usr/bin/ditto", args: ["-x", "-k", "--", path, tmp_unpack_dir])
 
diff --git a/Library/Homebrew/cask/lib/hbc/installer.rb b/Library/Homebrew/cask/lib/hbc/installer.rb
index 73041f3a96..8b85e4f922 100644
--- a/Library/Homebrew/cask/lib/hbc/installer.rb
+++ b/Library/Homebrew/cask/lib/hbc/installer.rb
@@ -158,7 +158,7 @@ module Hbc
           raise CaskError, "Uh oh, could not figure out how to unpack '#{@downloaded_path}'."
         end
 
-        container.new(@cask, @downloaded_path, @command, verbose: verbose?)
+        container.new(@cask, @downloaded_path, @command)
       end
     end
 
@@ -168,7 +168,7 @@ module Hbc
       odebug "Using container class #{primary_container.class} for #{@downloaded_path}"
 
       basename = CGI.unescape(File.basename(@cask.url.path))
-      primary_container.extract(to: @cask.staged_path, basename: basename)
+      primary_container.extract(to: @cask.staged_path, basename: basename, verbose: verbose?)
     end
 
     def install_artifacts
diff --git a/Library/Homebrew/unpack_strategy.rb b/Library/Homebrew/unpack_strategy.rb
index dbb5ddf27a..4ae1472d11 100644
--- a/Library/Homebrew/unpack_strategy.rb
+++ b/Library/Homebrew/unpack_strategy.rb
@@ -61,29 +61,29 @@ class UnpackStrategy
     @ref = ref
   end
 
-  def extract(to: nil, basename: nil)
+  def extract(to: nil, basename: nil, verbose: false)
     basename ||= path.basename
     unpack_dir = Pathname(to || Dir.pwd).expand_path
     unpack_dir.mkpath
-    extract_to_dir(unpack_dir, basename: basename)
+    extract_to_dir(unpack_dir, basename: basename, verbose: verbose)
   end
 
-  def extract_nestedly(to: nil, basename: nil)
+  def extract_nestedly(to: nil, basename: nil, verbose: false)
     Dir.mktmpdir do |tmp_unpack_dir|
       tmp_unpack_dir = Pathname(tmp_unpack_dir)
 
-      extract(to: tmp_unpack_dir, basename: basename)
+      extract(to: tmp_unpack_dir, basename: basename, verbose: verbose)
 
       children = tmp_unpack_dir.children
 
       if children.count == 1 && !children.first.directory?
         s = self.class.detect(children.first)
 
-        s.extract_nestedly(to: to)
+        s.extract_nestedly(to: to, verbose: verbose)
         next
       end
 
-      DirectoryUnpackStrategy.new(tmp_unpack_dir).extract(to: to)
+      DirectoryUnpackStrategy.new(tmp_unpack_dir).extract(to: to, verbose: verbose)
     end
   end
 end
@@ -95,7 +95,7 @@ class DirectoryUnpackStrategy < UnpackStrategy
 
   private
 
-  def extract_to_dir(unpack_dir, basename:)
+  def extract_to_dir(unpack_dir, basename:, verbose:)
     FileUtils.cp_r File.join(path, "."), unpack_dir, preserve: true
   end
 end
@@ -105,7 +105,7 @@ class UncompressedUnpackStrategy < UnpackStrategy
 
   private
 
-  def extract_to_dir(unpack_dir, basename:)
+  def extract_to_dir(unpack_dir, basename:, verbose:)
     FileUtils.cp path, unpack_dir/basename, preserve: true
   end
 end
@@ -151,7 +151,7 @@ class P7ZipUnpackStrategy < UnpackStrategy
 
   private
 
-  def extract_to_dir(unpack_dir, basename:)
+  def extract_to_dir(unpack_dir, basename:, verbose:)
     safe_system "7zr", "x", "-y", "-bd", "-bso0", path, "-o#{unpack_dir}"
   end
 end
@@ -163,7 +163,7 @@ class ZipUnpackStrategy < UnpackStrategy
 
   private
 
-  def extract_to_dir(unpack_dir, basename:)
+  def extract_to_dir(unpack_dir, basename:, verbose:)
     safe_system "unzip", "-qq", path, "-d", unpack_dir
   end
 end
@@ -180,7 +180,7 @@ class TarUnpackStrategy < UnpackStrategy
 
   private
 
-  def extract_to_dir(unpack_dir, basename:)
+  def extract_to_dir(unpack_dir, basename:, verbose:)
     safe_system "tar", "xf", path, "-C", unpack_dir
   end
 end
@@ -198,7 +198,7 @@ class XzUnpackStrategy < UnpackStrategy
 
   private
 
-  def extract_to_dir(unpack_dir, basename:)
+  def extract_to_dir(unpack_dir, basename:, verbose:)
     FileUtils.cp path, unpack_dir/basename, preserve: true
     safe_system Formula["xz"].opt_bin/"unxz", "-q", "-T0", unpack_dir/basename
     extract_nested_tar(unpack_dir)
@@ -224,7 +224,7 @@ class Bzip2UnpackStrategy < UnpackStrategy
 
   private
 
-  def extract_to_dir(unpack_dir, basename:)
+  def extract_to_dir(unpack_dir, basename:, verbose:)
     FileUtils.cp path, unpack_dir/basename, preserve: true
     safe_system "bunzip2", "-q", unpack_dir/basename
   end
@@ -237,7 +237,7 @@ class GzipUnpackStrategy < UnpackStrategy
 
   private
 
-  def extract_to_dir(unpack_dir, basename:)
+  def extract_to_dir(unpack_dir, basename:, verbose:)
     FileUtils.cp path, unpack_dir/basename, preserve: true
     safe_system "gunzip", "-q", "-N", unpack_dir/basename
   end
@@ -250,7 +250,7 @@ class LzipUnpackStrategy < UnpackStrategy
 
   private
 
-  def extract_to_dir(unpack_dir, basename:)
+  def extract_to_dir(unpack_dir, basename:, verbose:)
     FileUtils.cp path, unpack_dir/basename, preserve: true
     safe_system Formula["lzip"].opt_bin/"lzip", "-d", "-q", unpack_dir/basename
   end
@@ -263,7 +263,7 @@ class XarUnpackStrategy < UnpackStrategy
 
   private
 
-  def extract_to_dir(unpack_dir, basename:)
+  def extract_to_dir(unpack_dir, basename:, verbose:)
     safe_system "xar", "-x", "-f", path, "-C", unpack_dir
   end
 end
@@ -275,7 +275,7 @@ class RarUnpackStrategy < UnpackStrategy
 
   private
 
-  def extract_to_dir(unpack_dir, basename:)
+  def extract_to_dir(unpack_dir, basename:, verbose:)
     safe_system Formula["unrar"].opt_bin/"unrar", "x", "-inul", path, unpack_dir
   end
 end
@@ -287,7 +287,7 @@ class LhaUnpackStrategy < UnpackStrategy
 
   private
 
-  def extract_to_dir(unpack_dir, basename:)
+  def extract_to_dir(unpack_dir, basename:, verbose:)
     safe_system Formula["lha"].opt_bin/"lha", "xq2w=#{unpack_dir}", path
   end
 end
@@ -305,7 +305,7 @@ class SubversionUnpackStrategy < DirectoryUnpackStrategy
 
   private
 
-  def extract_to_dir(unpack_dir, basename:)
+  def extract_to_dir(unpack_dir, basename:, verbose:)
     safe_system "svn", "export", "--force", path, unpack_dir
   end
 end
@@ -323,7 +323,7 @@ class MercurialUnpackStrategy < DirectoryUnpackStrategy
 
   private
 
-  def extract_to_dir(unpack_dir, basename:)
+  def extract_to_dir(unpack_dir, basename:, verbose:)
     with_env "PATH" => PATH.new(Formula["mercurial"].opt_bin, ENV["PATH"]) do
       safe_system "hg", "--cwd", path, "archive", "--subrepos", "-y", "-t", "files", unpack_dir
     end
@@ -341,7 +341,7 @@ class FossilUnpackStrategy < UnpackStrategy
 
   private
 
-  def extract_to_dir(unpack_dir, basename:)
+  def extract_to_dir(unpack_dir, basename:, verbose:)
     args = if @ref_type && @ref
       [@ref]
     else
@@ -361,7 +361,7 @@ class BazaarUnpackStrategy < DirectoryUnpackStrategy
 
   private
 
-  def extract_to_dir(unpack_dir, basename:)
+  def extract_to_dir(unpack_dir, basename:, verbose:)
     super
 
     # The export command doesn't work on checkouts (see https://bugs.launchpad.net/bzr/+bug/897511).