Contents

module Bundler
  class DslError < StandardError; end

  class Dsl
    def self.evaluate(gemfile)
      builder = new
      builder.instance_eval(File.read(gemfile.to_s), gemfile.to_s, 1)
      builder.to_definition
    end

    def initialize
      @sources = [] # Gem.sources.map { |s| Source::Rubygems.new(:uri => s) }
      @dependencies = []
      @group = nil
    end

    def gem(name, *args)
      options = Hash === args.last ? args.pop : {}
      version = args.last || ">= 0"

      _normalize_options(name, version, options)

      @dependencies << Dependency.new(name, version, options)
    end

    def source(source)
      source = case source
      when :gemcutter, :rubygems, :rubyforge then Source::Rubygems.new(:uri => "http://gemcutter.org")
      when String then Source::Rubygems.new(:uri => source)
      else source
      end

      @sources << source
      source
    end

    def path(path, options = {})
      source Source::Path.new(options.merge(:path => path))
    end

    def git(uri, options = {})
      source Source::Git.new(options.merge(:uri => uri))
    end

    def to_definition
      Definition.new(@dependencies, @sources)
    end

    def group(name, options = {}, &blk)
      old, @group = @group, name
      yield
    ensure
      @group = old
    end

  private

    def _version?(version)
      version && Gem::Version.new(version) rescue false
    end

    def _normalize_options(name, version, opts)
      opts.each do |k, v|
        opts[k.to_s] = v
      end

      opts["group"] ||= @group

      _normalize_git_options(name, version, opts)
    end

    def _normalize_git_options(name, version, opts)
      # Normalize Git options
      if opts["git"]
        source  = git(opts["git"], :ref => opts["ref"])
        source.default_spec name, version if _version?(version)
        opts["source"] = source
      end
    end

  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
bundler-0.9.0.pre3	lib/bundler/dsl.rb
bundler-0.9.0.pre2	lib/bundler/dsl.rb
bundler-0.9.0.pre1	lib/bundler/dsl.rb