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Size: 1.91 KB

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Stored size: 1.91 KB

Contents

#
# Copyright:: Copyright (c) 2015 Chef, Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

require "erb"
require "ostruct"

module Mixlib
  class Install
    class Generator
      class Base
        attr_reader :options

        def initialize(options)
          @options = options
        end

        #
        # Returns the base path where the script fragments are located for
        # the generator as a String.
        #
        def self.script_base_path
          raise "You must define a script_base_path for your Generator::Base class."
        end

        #
        # Gets the contents of the given script.
        #
        def self.get_script(name, context = {})
          script_path = File.join(script_base_path, name)

          # If there is an erb template we render it, otherwise we just read
          # and returnt the contents of the script
          if File.exist? "#{script_path}.erb"
            # Default values to use incase they are not set in the context
            context[:base_url] ||= "https://omnitruck.chef.io"

            context_object = OpenStruct.new(context).instance_eval { binding }
            ERB.new(File.read("#{script_path}.erb")).result(context_object)
          else
            File.read(script_path)
          end
        end

        def get_script(name, context = {})
          self.class.get_script(name, context)
        end
      end
    end
  end
end

Version data entries

5 entries across 5 versions & 1 rubygems

Version Path
mixlib-install-2.1.5 lib/mixlib/install/generator/base.rb
mixlib-install-2.1.4 lib/mixlib/install/generator/base.rb
mixlib-install-2.1.3 lib/mixlib/install/generator/base.rb
mixlib-install-2.1.2 lib/mixlib/install/generator/base.rb
mixlib-install-2.1.1 lib/mixlib/install/generator/base.rb