class J1::Commands::Help
Public Class Methods
init_with_program(prog)
click to toggle source
# File lib/j1/commands/help.rb, line 5 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/j1/commands/help.rb, line 24 def invalid_command(prog, cmd) J1.logger.error "Error:", "Sorry, don't know what the '#{cmd}' command is." J1.logger.info "Valid commands:", prog.commands.keys.join(", ") end