c4fc9828db
* Report invalid action usages from tasks; * Implement backtrace cleaning in CLI; * Extract error class declarations in a new errors file; * Replace raise with fail keyword in task DSL class.
46 lines
973 B
Ruby
46 lines
973 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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evaluate_recipe_file
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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 evaluate_recipe_file
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recipe = Recipe.from_file(@arguments.first)
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env = Env.new(recipe)
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begin
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recipe.evaluate env
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rescue RecipeEvaluationError => e
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backtrace = e.backtrace.reject { |l| l =~ /\/producer-core\// }
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@stdout.puts [backtrace.shift, e.message].join ': '
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@stdout.puts backtrace
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exit 70
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end
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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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