Class: Kontena::Plugin::Shell::HelpCommand

Inherits:
Command
  • Object
show all
Defined in:
lib/kontena/plugin/shell/commands/help.rb

Instance Attribute Summary

Attributes inherited from Command

#args, #context, #session

Instance Method Summary collapse

Methods inherited from Command

command, completions, description, #has_subcommands?, has_subcommands?, help, #initialize, #run, subcommands

Constructor Details

This class inherits a constructor from Kontena::Plugin::Shell::Command

Instance Method Details

#cmd ⇒ Object

completions -> (context, tokens, word) { Kontena::Completer.complete(context.to_a + tokens) }



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# File 'lib/kontena/plugin/shell/commands/help.rb', line 11

def cmd
  full_line = context + args[1..-1]
  cmd = Shell.command(full_line.first) || Shell.command('kontena')
end

#execute ⇒ Object 



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# File 'lib/kontena/plugin/shell/commands/help.rb', line 16

def execute
  if cmd.help.respond_to?(:call)
    help_text = cmd.help.call(context, args[1..-1])
  else
    help_text = cmd.help
  end
  puts help_text

  if cmd.has_subcommands?
    puts
    puts Kontena.pastel.green("Subcommands:")
    cmd.subcommands.each do |name, sc|
      puts sprintf('    %-29s %s', name, sc.description)
    end
    puts
  end

  if args.empty? || (args.size == 1 && args.first == 'help')
    puts
    puts 'Kontena Shell commands:'
    Shell.commands.each do |name, cmd|
      next if cmd == Kontena::Plugin::Shell::KontenaCommand
      puts sprintf('    %-29s %s', name, cmd.description)
    end
  end
end