From 5a047c7c27685a8576fb0f8c420700d2dc564bfc Mon Sep 17 00:00:00 2001
From: Markus Reiter <me@reitermark.us>
Date: Mon, 12 Jun 2017 19:07:52 +0200
Subject: [PATCH 1/3] Fix `--language` option.

---
 Library/Homebrew/cask/lib/hbc/cli.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Library/Homebrew/cask/lib/hbc/cli.rb b/Library/Homebrew/cask/lib/hbc/cli.rb
index eec2788ec9..8503c339a1 100644
--- a/Library/Homebrew/cask/lib/hbc/cli.rb
+++ b/Library/Homebrew/cask/lib/hbc/cli.rb
@@ -66,7 +66,7 @@ module Hbc
     option "--help", :help, false
 
     # handled in OS::Mac
-    option "--language a,b,c", ->(*) { raise OptionParser::InvalidOption }
+    option "--language a,b,c", ->(*) {}
 
     # override default handling of --version
     option "--version", ->(*) { raise OptionParser::InvalidOption }

From 599a618273a64db1852f4bb80e21ee0c410a3285 Mon Sep 17 00:00:00 2001
From: Markus Reiter <me@reitermark.us>
Date: Wed, 14 Jun 2017 12:51:36 +0200
Subject: [PATCH 2/3] Move `require?` to `utils`.

---
 Library/Homebrew/brew.rb  | 8 --------
 Library/Homebrew/utils.rb | 8 ++++++++
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/Library/Homebrew/brew.rb b/Library/Homebrew/brew.rb
index 4a72c7e552..11ea8df672 100644
--- a/Library/Homebrew/brew.rb
+++ b/Library/Homebrew/brew.rb
@@ -21,14 +21,6 @@ if ARGV == %w[--version] || ARGV == %w[-v]
   exit 0
 end
 
-def require?(path)
-  return false if path.nil?
-  require path
-rescue LoadError => e
-  # we should raise on syntax errors but not if the file doesn't exist.
-  raise unless e.message.include?(path)
-end
-
 begin
   trap("INT", std_trap) # restore default CTRL-C handler
 
diff --git a/Library/Homebrew/utils.rb b/Library/Homebrew/utils.rb
index 85305c01ae..529f3492d1 100644
--- a/Library/Homebrew/utils.rb
+++ b/Library/Homebrew/utils.rb
@@ -15,6 +15,14 @@ require "utils/svn"
 require "utils/tty"
 require "time"
 
+def require?(path)
+  return false if path.nil?
+  require path
+rescue LoadError => e
+  # we should raise on syntax errors but not if the file doesn't exist.
+  raise unless e.message.include?(path)
+end
+
 def ohai(title, *sput)
   title = Tty.truncate(title) if $stdout.tty? && !ARGV.verbose?
   puts Formatter.headline(title, color: :blue)

From dcb85571ca468a573c5ac4f76752ec7e732d9e82 Mon Sep 17 00:00:00 2001
From: Markus Reiter <me@reitermark.us>
Date: Wed, 14 Jun 2017 13:23:16 +0200
Subject: [PATCH 3/3] Add test for `--language` option.

---
 Library/Homebrew/test/cask/cli_spec.rb | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/Library/Homebrew/test/cask/cli_spec.rb b/Library/Homebrew/test/cask/cli_spec.rb
index caa17b0319..51258c5807 100644
--- a/Library/Homebrew/test/cask/cli_spec.rb
+++ b/Library/Homebrew/test/cask/cli_spec.rb
@@ -1,10 +1,10 @@
 describe Hbc::CLI, :cask do
   it "lists the taps for Casks that show up in two taps" do
-    listing = Hbc::CLI.nice_listing(%w[
-                                      caskroom/cask/adium
-                                      caskroom/cask/google-chrome
-                                      passcod/homebrew-cask/adium
-                                    ])
+    listing = described_class.nice_listing(%w[
+                                             caskroom/cask/adium
+                                             caskroom/cask/google-chrome
+                                             passcod/homebrew-cask/adium
+                                           ])
 
     expect(listing).to eq(%w[
                             caskroom/cask/adium
@@ -13,6 +13,13 @@ describe Hbc::CLI, :cask do
                           ])
   end
 
+  it "ignores the `--language` option, which is handled in `OS::Mac`" do
+    cli = described_class.new("--language=en")
+    expect(cli).to receive(:detect_command_and_arguments).with(no_args)
+    expect(cli).to receive(:exit).with(1)
+    shutup { cli.run }
+  end
+
   context "when no option is specified" do
     it "--binaries is true by default" do
       command = Hbc::CLI::Install.new("some-cask")
@@ -41,7 +48,7 @@ describe Hbc::CLI, :cask do
     end
 
     it "prints help output when subcommand receives `--help` flag" do
-      command = Hbc::CLI.new("noop", "--help")
+      command = described_class.new("noop", "--help")
       expect(described_class).to receive(:run_command).with("help", "noop")
       command.run
       expect(command.help?).to eq(true)
@@ -56,7 +63,7 @@ describe Hbc::CLI, :cask do
 
     it "exits with a status of 1 when something goes wrong" do
       allow(described_class).to receive(:lookup_command).and_raise(Hbc::CaskError)
-      command = Hbc::CLI.new("noop")
+      command = described_class.new("noop")
       expect(command).to receive(:exit).with(1)
       command.run
     end