2014-05-25 12:12:09 +00:00

46 lines
966 B
Ruby

module Producer
module Core
class CLI
ArgumentError = Class.new(::ArgumentError)
USAGE = "Usage: #{File.basename $0} recipe_file"
EX_USAGE = 64
class << self
def run!(arguments, output: $stderr)
begin
cli = new(arguments)
rescue ArgumentError
output.puts USAGE
exit EX_USAGE
end
cli.run
end
end
attr_reader :arguments, :stdout, :env, :recipe
def initialize(args, stdout: $stdout)
@arguments = args
@stdout = stdout
@env = Env.new(output: stdout)
raise ArgumentError unless arguments.any?
end
def run(worker: build_worker)
load_recipe
worker.process recipe.tasks
end
def load_recipe
@recipe = Recipe.evaluate_from_file(@arguments.first, env)
end
def build_worker
Worker.new(env)
end
end
end
end