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module Fission
module CommandHelpers
# Internal: Outputs the help text for a command and exits.
#
# Examples
#
# incorrect_arguments
#
# Returns nothing.
# This will call the help class method for the help text. This will exit
# with the exit code 1.
def incorrect_arguments
output "#{self.class.help}\n"
output_and_exit "Incorrect arguments for #{command_name} command", 1
end
# Internal: Parses the command line arguments.
#
# Examples:
#
# parse_arguments
#
# Returns nothing.
# If there is an invalid argument, an error will be output and this will
# exit with exit code 1.
def parse_arguments
option_parser.parse! @args
rescue OptionParser::InvalidOption => e
output e
output_and_exit "\n#{self.class.help}", 1
end
end
end
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