mirror of
https://github.com/inspec/inspec
synced 2024-11-23 21:23:29 +00:00
97 lines
3.1 KiB
Ruby
97 lines
3.1 KiB
Ruby
# encoding: utf-8
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# author: Christoph Hartmann
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require 'pathname'
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module Init
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class CLI < Inspec::BaseCLI
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namespace 'init'
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# TODO: find another solution, once https://github.com/erikhuda/thor/issues/261 is fixed
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def self.banner(command, _namespace = nil, _subcommand = false)
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"#{basename} #{subcommand_prefix} #{command.usage}"
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end
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def self.subcommand_prefix
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namespace
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end
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# read template directoy
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template_dir = File.join(File.dirname(__FILE__), 'templates')
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Dir.glob(File.join(template_dir, '*')) do |template|
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relative = Pathname.new(template).relative_path_from(Pathname.new(template_dir))
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# register command for the template
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desc "#{relative} NAME", "Create a new #{relative}"
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option :overwrite, type: :boolean, default: false,
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desc: 'Overwrites existing directory'
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define_method relative.to_s.to_sym do |name|
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generator(relative.to_s, { name: name }, options)
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end
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end
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private
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# 1. iterate over all files
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# 2. read content in erb
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# 3. write to target
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def generator(type, attributes = {}, options = {}) # rubocop:disable Metrics/AbcSize
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# path of this script
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dir = File.dirname(__FILE__)
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# look for template directory
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base_dir = File.join(dir, 'templates', type)
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# prepare glob for all subdirectories and files
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template = File.join(base_dir, '**', '{*,.*}')
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# generate target path
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target = Pathname.new(Dir.pwd).join(attributes[:name])
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puts "Create new #{type} at #{mark_text(target)}"
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# check that the directory does not exist
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if File.exist?(target) && !options['overwrite']
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error "#{mark_text(target)} exists already, use --overwrite"
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exit 1
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end
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# ensure that target directory is available
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FileUtils.mkdir_p(target)
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# iterate over files and write to target path
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Dir.glob(template) do |file|
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relative = Pathname.new(file).relative_path_from(Pathname.new(base_dir))
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destination = Pathname.new(target).join(relative)
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if File.directory?(file)
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li "Create directory #{mark_text(relative)}"
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FileUtils.mkdir_p(destination)
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elsif File.file?(file)
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li "Create file #{mark_text(relative)}"
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# read & render content
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content = render(File.read(file), attributes)
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# write file content
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File.write(destination, content)
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else
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puts "Ignore #{file}, because its not an file or directoy"
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end
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end
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end
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# This is a render helper to bind hash values to a ERB template
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def render(content, hash)
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# create a new binding class
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cls = Class.new do
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hash.each do |key, value|
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define_method key.to_sym do
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value
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end
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end
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# expose binding
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define_method :bind do
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binding
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end
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end
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ERB.new(content).result(cls.new.bind)
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end
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end
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# register the subcommand to Inspec CLI registry
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Inspec::Plugins::CLI.add_subcommand(Init::CLI, 'init', 'init TEMPLATE ...', 'Scaffolds a new project', {})
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end
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