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Jekyll::Commands::Help

Public Class Methods

init_with_program(prog) click to toggle source
# File lib/jekyll/commands/help.rb, line 6
def init_with_program(prog)
  prog.command(:help) do |c|
    c.syntax 'help [subcommand]'
    c.description 'Show the help message, optionally for a given subcommand.'

    c.action do |args, _|
      cmd = (args.first || "").to_sym
      if args.empty?
        puts prog
      elsif prog.has_command? cmd
        puts prog.commands[cmd]
      else
        invalid_command(prog, cmd)
        abort
      end
    end
  end
end
invalid_command(prog, cmd) click to toggle source
# File lib/jekyll/commands/help.rb, line 25
def invalid_command(prog, cmd)
  Jekyll.logger.error "Error:", "Hmm... we don't know what the '#{cmd}' command is."
  Jekyll.logger.info  "Valid commands:", prog.commands.keys.join(", ")
end

[Validate]

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