Class: CmdParse::VersionCommand

Inherits:
Command
  • Object
show all
Defined in:
lib/module_cmdparse/cmdparse.rb

Overview

The default version command. It adds the options “-v” and “–version” to the global options of the associated CommandParser. When specified on the command line, it shows the version of the program.

Instance Attribute Summary

Attributes inherited from Command

#commands, #default_command, #description, #name, #options, #pen, #short_desc, #super_command

Instance Method Summary collapse

Methods inherited from Command

#<=>, #add_command, #commandparser, #has_commands?, #set_execution_block, #show_help, #super_commands, #use_partial_commands

Constructor Details

#initialize(_pen = $stdout) ⇒ VersionCommand

Returns a new instance of VersionCommand.



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# File 'lib/module_cmdparse/cmdparse.rb', line 349

def initialize(_pen = $stdout)
    super( 'version', false )
    self.short_desc = "Show the version of the program"
    @pen = _pen
end

Instance Method Details

#execute(args) ⇒ Object 



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# File 'lib/module_cmdparse/cmdparse.rb', line 370

def execute( args )
    version = commandparser.program_version
    version = version.join( '.' ) if version.instance_of?( Array )
    @pen.puts commandparser.banner + "\n" if commandparser.banner
    @pen.puts version
end

#init ⇒ Object 



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# File 'lib/module_cmdparse/cmdparse.rb', line 355

def init
    case commandparser.main_command.options
        when OptionParserWrapper
            commandparser.main_command.options.instance do |opt|
            opt.on_tail( "--version", "-v", "Show the version of the program" ) do
                execute( [] )
            end
        end
    end
end

#usage ⇒ Object 



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# File 'lib/module_cmdparse/cmdparse.rb', line 366

def usage
    "#{@pen.bold}Usage#{@pen.bold}: #{@pen.lightcyan}#{commandparser.program_name} version#{@pen.clear}"
end