Remove unused methods in Staged module.

Library/Homebrew/cask/staged.rb

@@ -2,29 +2,6 @@ require "utils/user"
 
 module Cask
   module Staged
-    def info_plist_file(index = 0)
-      index =  0 if index == :first
-      index =  1 if index == :second
-      index = -1 if index == :last
-      @cask.artifacts.select { |a| a.is_a?(Artifact::App) }.at(index).target.join("Contents", "Info.plist")
-    end
-
-    def plist_exec(cmd)
-      @command.run!("/usr/libexec/PlistBuddy", args: ["-c", cmd, info_plist_file])
-    end
-
-    def plist_set(key, value)
-      plist_exec("Set #{key} #{value}")
-    rescue => e
-      raise CaskError, "#{@cask.token}: 'plist_set' failed with: #{e}"
-    end
-
-    def bundle_identifier
-      plist_exec("Print CFBundleIdentifier").stdout.chomp
-    rescue => e
-      raise CaskError, "#{@cask.token}: 'bundle_identifier' failed with: #{e}"
-    end
-
     def set_permissions(paths, permissions_str)
       full_paths = remove_nonexistent(paths)
       return if full_paths.empty?

Library/Homebrew/test/cask/staged_spec.rb

@@ -1,14 +0,0 @@
-# TODO: this test should be named after the corresponding class, once
-#       that class is abstracted from installer.rb.  It makes little sense
-#       to be invoking bundle_identifier off of the installer instance.
-describe "Operations on staged Casks", :cask do
-  describe "bundle ID" do
-    let(:cask) { Cask::CaskLoader.load(cask_path("local-transmission")) }
-    let(:installer) { Cask::Installer.new(cask) }
-
-    it "fetches the bundle ID from a staged cask" do
-      installer.install
-      expect(installer.bundle_identifier).to eq("org.m0k.transmission")
-    end
-  end
-end

Library/Homebrew/test/support/helper/spec/shared_examples/cask_staged.rb

@@ -21,30 +21,6 @@ shared_examples Cask::Staged do
     staged.system_command("echo", args: ["homebrew-cask", "rocks!"])
   end
 
-  it "can get the Info.plist file for the primary app" do
-    expect(staged.info_plist_file).to eq Cask::Config.global.appdir.join("TestCask.app/Contents/Info.plist")
-  end
-
-  it "can execute commands on the Info.plist file" do
-    allow(staged).to receive(:bundle_identifier).and_return("com.example.BasicCask")
-
-    FakeSystemCommand.expects_command(
-      ["/usr/libexec/PlistBuddy", "-c", "Print CFBundleIdentifier", staged.info_plist_file],
-    )
-
-    staged.plist_exec("Print CFBundleIdentifier")
-  end
-
-  it "can set a key in the Info.plist file" do
-    allow(staged).to receive(:bundle_identifier).and_return("com.example.BasicCask")
-
-    FakeSystemCommand.expects_command(
-      ["/usr/libexec/PlistBuddy", "-c", "Set :JVMOptions:JVMVersion 1.6+", staged.info_plist_file],
-    )
-
-    staged.plist_set(":JVMOptions:JVMVersion", "1.6+")
-  end
-
   it "can set the permissions of a file" do
     fake_pathname = existing_path
     allow(staged).to receive(:Pathname).and_return(fake_pathname)