Class: Fission::CLI

Inherits:
Object show all
Defined in:
lib/fission/cli.rb

Class Method Summary collapse

Class Method Details

.commands ⇒ Object 



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# File 'lib/fission/cli.rb', line 40

def self.commands
  cmds = []
  Dir.entries(File.join(File.dirname(__FILE__), 'command')).select do |file|
    cmds << File.basename(file, '.rb') unless File.directory? file
  end

  cmds
end

.execute(args = ARGV) ⇒ Object 



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# File 'lib/fission/cli.rb', line 3

def self.execute(args=ARGV)
  optparse = OptionParser.new do |opts|
    opts.banner = "\nUsage: fission [options] COMMAND [arguments]"

    opts.on_head('-v', '--version', 'Output the version of fission') do
      Fission.ui.output Fission::VERSION
      exit(0)
    end

    opts.on_head('-h', '--help', 'Displays this message') do
      show_all_help(optparse)
      exit(0)
    end

    opts.define_tail do
      commands_banner
    end

  end

  begin
    optparse.order! args
  rescue OptionParser::InvalidOption => e
    Fission.ui.output e
    show_all_help(optparse)
    exit(1)
  end

  if commands.include?(args.first)
    @cmd = Fission::Command.const_get(args.first.capitalize).new args.drop 1
    @cmd.execute
  else
    show_all_help(optparse)
    exit(1)
  end
end