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require "spring/version"
module Spring
module Client
class Help < Command
attr_reader :spring_commands, :application_commands
def self.description
"Print available commands."
end
def self.call(args)
require "spring/commands"
super
end
def initialize(args, spring_commands = nil, application_commands = nil)
super args
@spring_commands = spring_commands || Spring::Client::COMMANDS.dup
@application_commands = application_commands || Spring.commands.dup
@spring_commands.delete_if { |k, v| k.start_with?("-") }
@application_commands["rails"] = @spring_commands.delete("rails")
end
def call
puts formatted_help
end
def formatted_help
["Version: #{env.version}\n",
"Usage: spring COMMAND [ARGS]\n",
*command_help("spring itself", spring_commands),
'',
*command_help("your application", application_commands)].join("\n")
end
def command_help(subject, commands)
["Commands for #{subject}:\n",
*commands.sort_by(&:first).map { |name, command| display(name, command) }.compact]
end
private
def all_commands
spring_commands.merge application_commands
end
def display(name, command)
if command.description
" #{name.ljust(max_name_width)} #{command.description}"
end
end
def max_name_width
@max_name_width ||= all_commands.keys.map(&:length).max
end
end
end
end
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