rf-web/vendor/bundle/gems/mercenary-0.3.6/lib/mercenary/program.rb

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2019-10-21 08:18:17 +00:00
module Mercenary
class Program < Command
attr_reader :optparse
attr_reader :config
# Public: Creates a new Program
#
# name - the name of the program
#
# Returns nothing
def initialize(name)
@config = {}
super(name)
end
# Public: Run the program
#
# argv - an array of string args (usually ARGV)
#
# Returns nothing
def go(argv)
logger.debug("Using args passed in: #{argv.inspect}")
cmd = nil
@optparse = OptionParser.new do |opts|
cmd = super(argv, opts, @config)
end
begin
@optparse.parse!(argv)
rescue OptionParser::InvalidOption => e
logger.error "Whoops, we can't understand your command."
logger.error "#{e.message}"
logger.error "Run your command again with the --help switch to see available options."
abort
end
logger.debug("Parsed config: #{@config.inspect}")
begin
cmd.execute(argv, @config)
rescue => e
if cmd.trace
raise e
else
logger.error e.message
abort
end
end
end
end
end