GemInstaller::GemInstallerError

    # File lib/geminstaller/geminstaller_error.rb, line 3
 3:     def descriptive_exit_message(message, command, args, gem_command_output)
 4:       args_string = args.join(" ")
 5:       descriptive_exit_message = "\n=========================================================\n"
 6:       descriptive_exit_message += "#{message}\n"
 7:       descriptive_exit_message += "Gem command was:\n  #{command} #{args_string}\n\n"
 8:       descriptive_exit_message += "Gem command output was:\n"
 9:       descriptive_exit_message += gem_command_output.join("\n")
10:       descriptive_exit_message += "\n=========================================================\n\n"
11:     end