Class: Bundler::Dsl

Inherits:
Object show all
Defined in:
lib/bundler/dsl.rb

Constant Summary collapse

VALID_PLATFORMS = 
Bundler::Dependency::PLATFORM_MAP.keys.freeze

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Dsl

Returns a new instance of Dsl.



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# File 'lib/bundler/dsl.rb', line 13

def initialize
  @rubygems_source = Source::Rubygems.new
  @source          = nil
  @sources         = []
  @dependencies    = []
  @groups          = []
  @platforms       = []
  @env             = nil
end

Class Method Details

.deprecate(name, replacement = nil) ⇒ Object

Deprecated methods



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# File 'lib/bundler/dsl.rb', line 158

def self.deprecate(name, replacement = nil)
  define_method(name) do |*|
    message = "'#{name}' has been removed from the Gemfile DSL, "
    if replacement
      message << "and has been replaced with '#{replacement}'."
    else
      message << "and is no longer supported."
    end
    message << "\nSee the README for more information on upgrading from Bundler 0.8."
    raise DeprecatedError, message
  end
end

.evaluate(gemfile, lockfile, unlock) ⇒ Object 



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# File 'lib/bundler/dsl.rb', line 5

def self.evaluate(gemfile, lockfile, unlock)
  builder = new
  builder.instance_eval(Bundler.read_file(gemfile.to_s), gemfile.to_s, 1)
  builder.to_definition(lockfile, unlock)
end

Instance Method Details

#env(name) ⇒ Object 



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# File 'lib/bundler/dsl.rb', line 149

def env(name)
  @env, old = name, @env
  yield
ensure
  @env = old
end

#gem(name, *args) ⇒ Object 



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# File 'lib/bundler/dsl.rb', line 47

def gem(name, *args)
  if name.is_a?(Symbol)
    raise GemfileError, %{You need to specify gem names as Strings. Use 'gem "#{name.to_s}"' instead.}
  end

  options = Hash === args.last ? args.pop : {}
  version = args || [">= 0"]

  _deprecated_options(options)
  _normalize_options(name, version, options)

  dep = Dependency.new(name, version, options)

  # if there's already a dependency with this name we try to prefer one
  if current = @dependencies.find { |d| d.name == dep.name }
    if current.requirement != dep.requirement
      if current.type == :development
        @dependencies.delete current
      elsif dep.type == :development
        return
      else
        raise DslError, "You cannot specify the same gem twice with different version requirements. " \
                        "You specified: #{current.name} (#{current.requirement}) and " \
                        "#{dep.name} (#{dep.requirement})"
      end
    end

    if current.source != dep.source
      if current.type == :development
        @dependencies.delete current
      elsif dep.type == :development
        return
      else
        raise DslError, "You cannot specify the same gem twice coming from different sources. You " \
                        "specified that #{dep.name} (#{dep.requirement}) should come from " \
                        "#{current.source || 'an unspecfied source'} and #{dep.source}"
      end
    end
  end

  @dependencies << dep
end

#gemspec(opts = nil) ⇒ Object 



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# File 'lib/bundler/dsl.rb', line 23

def gemspec(opts = nil)
  path              = opts && opts[:path] || '.'
  name              = opts && opts[:name] || '{,*}'
  development_group = opts && opts[:development_group] || :development
  path              = File.expand_path(path, Bundler.default_gemfile.dirname)
  gemspecs = Dir[File.join(path, "#{name}.gemspec")]

  case gemspecs.size
  when 1
    spec = Bundler.load_gemspec(gemspecs.first)
    raise InvalidOption, "There was an error loading the gemspec at #{gemspecs.first}." unless spec
    gem spec.name, :path => path
    group(development_group) do
      spec.development_dependencies.each do |dep|
        gem dep.name, *(dep.requirement.as_list + [:type => :development])
      end
    end
  when 0
    raise InvalidOption, "There are no gemspecs at #{path}."
  else
    raise InvalidOption, "There are multiple gemspecs at #{path}. Please use the :name option to specify which one."
  end
end

#git(uri, options = {}, source_options = {}, &blk) ⇒ Object 



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# File 'lib/bundler/dsl.rb', line 113

def git(uri, options = {}, source_options = {}, &blk)
  unless block_given?
    msg = "You can no longer specify a git source by itself. Instead, \n" \
          "either use the :git option on a gem, or specify the gems that \n" \
          "bundler should find in the git source by passing a block to \n" \
          "the git method, like: \n\n" \
          "  git 'git://github.com/rails/rails.git' do\n" \
          "    gem 'rails'\n" \
          "  end"
    raise DeprecatedError, msg
  end

  source Source::Git.new(_normalize_hash(options).merge("uri" => uri)), source_options, &blk
end

#group(*args, &blk) ⇒ Object 



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# File 'lib/bundler/dsl.rb', line 134

def group(*args, &blk)
  @groups.concat args
  yield
ensure
  args.each { @groups.pop }
end

#path(path, options = {}, source_options = {}, &blk) ⇒ Object 



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# File 'lib/bundler/dsl.rb', line 109

def path(path, options = {}, source_options = {}, &blk)
  source Source::Path.new(_normalize_hash(options).merge("path" => Pathname.new(path))), source_options, &blk
end

#platforms(*platforms) ⇒ Object Also known as: platform 



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# File 'lib/bundler/dsl.rb', line 141

def platforms(*platforms)
  @platforms.concat platforms
  yield
ensure
  platforms.each { @platforms.pop }
end

#source(source, options = {}) ⇒ Object 



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# File 'lib/bundler/dsl.rb', line 90

def source(source, options = {})
  case source
  when :gemcutter, :rubygems, :rubyforge then
    rubygems_source "http://rubygems.org"
    return
  when String
    rubygems_source source
    return
  end

  @source = source
  options[:prepend] ? @sources.unshift(@source) : @sources << @source

  yield if block_given?
  @source
ensure
  @source = nil
end

#to_definition(lockfile, unlock) ⇒ Object 



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# File 'lib/bundler/dsl.rb', line 128

def to_definition(lockfile, unlock)
  @sources << @rubygems_source
  @sources.uniq!
  Definition.new(lockfile, @dependencies, @sources, unlock)
end