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require 'rails'
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module EnvHelpers
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private
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def with_rails_env(env)
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Rails.instance_variable_set :@_env, nil
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switch_env 'RAILS_ENV', env do
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switch_env 'RACK_ENV', nil do
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yield
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end
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end
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end
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def switch_env(key, value)
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old, ENV[key] = ENV[key], value
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yield
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ensure
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ENV[key] = old
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end
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end
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