brew/Library/Homebrew/compat/utils.rb

# return the shell profile file based on users' preference shell
def shell_profile
  opoo "shell_profile has been deprecated in favor of Utils::Shell.profile"
  case ENV["SHELL"]
  when %r{/(ba)?sh} then "~/.bash_profile"
  when %r{/zsh} then "~/.zshrc"
  when %r{/ksh} then "~/.kshrc"
  else "~/.bash_profile"
  end
end

module Tty
  module_function

  def white
    reset.bold
  end
end

def puts_columns(items)
  odeprecated "puts_columns", "puts Formatter.columns"
  puts Formatter.columns(items)
end

def plural(n, s = "s")
  odeprecated "#plural", "Formatter.pluralize"
  n == 1 ? "" : s
end