Class: Cir::Cli::Main

Inherits:
Object
  • Object
show all
Defined in:
lib/cir/cli/main.rb

Constant Summary collapse

COMMANDS =

Global commands

{
  'init'       => InitCommand,
  'status'     => StatusCommand,
  'register'   => RegisterCommand,
  'deregister' => DeregisterCommand,
  'update'     => UpdateCommand,
  'restore'    => RestoreCommand,
}

Instance Method Summary collapse

Instance Method Details

#global_opts ⇒ Object

Global arguments



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# File 'lib/cir/cli/main.rb', line 32

def global_opts
  Trollop::Parser.new do
    version "CIR - Configs in repository #{Cir::VERSION}"
    banner <<-EOS
CIR - Configs in repository

Keep your configuration files safely versioned in external repository.

Usage:
  cir command [command args]

Command is one of #{COMMANDS.keys}.

EOS
    stop_on COMMANDS.keys
  end
end

#run(argv) ⇒ Object

Process given arguments and execute them



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# File 'lib/cir/cli/main.rb', line 52

def run(argv)
  begin
    # Parse global arguments
    global_opts.parse argv

    # Specific command (must exists)
    cmd_name = argv.shift
    raise Trollop::HelpNeeded, "" unless cmd_name

    # Given command that is current executed
    @cmd = COMMANDS[cmd_name].new

    # Finish parsing arguments
    @cmd.global_args = @global_opts
    @cmd.args = @cmd.opts.parse(argv)
    @cmd.files = argv

    # And finally run the command
    @cmd.process

  rescue Trollop::CommandlineError => e
    $stderr.puts "Error: #{e.message}."
    $stderr.puts "Try --help for help."
    exit(-1)
  rescue Trollop::HelpNeeded
    # Global arguments
    global_opts.educate

    # Help for each command
    COMMANDS.each do |name, cmd|
      puts "\nCommand :#{name}\n"
      cmd.opts.educate
    end

    exit
  rescue Trollop::VersionNeeded
    puts global_opts.version
    exit
   end
end