Contents

require 'kontena/plugin/shell/command'

module Kontena::Plugin
  module Shell
    class HelpCommand < Command
      command 'help'
      description 'Show help'
      help 'Use "help <command>" to see help for a specific command'
      #completions -> (context, tokens, word) { Kontena::Completer.complete(context.to_a + tokens) }

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

      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
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
kontena-plugin-shell-0.2.0	lib/kontena/plugin/shell/commands/help.rb
kontena-plugin-shell-0.1.3	lib/kontena/plugin/shell/commands/help.rb