debian-mirror-gitlab/app/models/ci/variable.rb

module Ci
  class Variable < ActiveRecord::Base
    extend Gitlab::Ci::Model
    include HasVariable
    include Presentable

    belongs_to :project

    validates :key, uniqueness: {
      scope: [:project_id, :environment_scope],
      message: "(%{value}) has already been taken"
    }

    scope :unprotected, -> { where(protected: false) }
  end
end