44 lines
796 B
Ruby
44 lines
796 B
Ruby
module Producer
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module Core
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class CLI
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attr_reader :arguments
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USAGE = "Usage: #{File.basename $0} recipe_file"
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def initialize(arguments, stdout = $stdout)
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@stdout = stdout
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@arguments = arguments
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end
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def run!
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check_arguments!
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interpreter.process recipe.tasks
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end
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def check_arguments!
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print_usage_and_exit(64) unless @arguments.length == 1
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end
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def env
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@env ||= Env.new
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end
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def recipe
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@recipe ||= Recipe.evaluate_from_file(@arguments.first, env)
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end
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def interpreter
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@interpreter ||= Interpreter.new
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end
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private
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def print_usage_and_exit(status)
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@stdout.puts USAGE
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exit status
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end
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end
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end
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end
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