### Home Classes Methods

### In Files

- lib/bundler/dsl.rb

### Parent

Object

### Namespace

- CLASS Bundler::Dsl::DSLError

### Methods

- ::evaluate
- ::new
- #env
- #eval_gemfile
- #gem
- #gemspec
- #git
- #git_source
- #github
- #group
- #install_if
- #method_missing
- #path
- #platform
- #platforms
- #plugin
- #source
- #to_definition

### Included Modules

- Bundler::RubyDsl

### Class/Module Index

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No matching classes.

# Bundler::Dsl

### Constants

VALID_KEYS
VALID_PLATFORMS

### Attributes

dependencies[RW]
gemspecs[R]

### Public Class Methods

evaluate(gemfile, lockfile, unlock) click to toggle source

    # File lib/bundler/dsl.rb, line 10
    def self.evaluate(gemfile, lockfile, unlock)
      builder = new
      builder.eval_gemfile(gemfile)
      builder.to_definition(lockfile, unlock)
    end

new() click to toggle source

    # File lib/bundler/dsl.rb, line 24
    def initialize
      @source               = nil
      @sources              = SourceList.new
      @git_sources          = {}
      @dependencies         = []
      @groups               = []
      @install_conditionals = []
      @optional_groups      = []
      @platforms            = []
      @env                  = nil
      @ruby_version         = nil
      @gemspecs             = []
      @gemfile              = nil
      @gemfiles             = []
      add_git_sources
    end

### Public Instance Methods

env(name) click to toggle source

    # File lib/bundler/dsl.rb, line 268
    def env(name)
      old = @env
      @env = name
      yield
    ensure
      @env = old
    end

eval_gemfile(gemfile, contents = nil) click to toggle source

    # File lib/bundler/dsl.rb, line 41
    def eval_gemfile(gemfile, contents = nil)
      expanded_gemfile_path = Pathname.new(gemfile).expand_path(@gemfile && @gemfile.parent)
      original_gemfile = @gemfile
      @gemfile = expanded_gemfile_path
      @gemfiles << expanded_gemfile_path
      contents ||= Bundler.read_file(@gemfile.to_s)
      instance_eval(contents.dup.untaint, gemfile.to_s, 1)
    rescue Exception => e
      message = "There was an error "          "#{e.is_a?(GemfileEvalError) ? "evaluating" : "parsing"} "          "`#{File.basename gemfile.to_s}`: #{e.message}"

      raise DSLError.new(message, gemfile, e.backtrace, contents)
    ensure
      @gemfile = original_gemfile
    end

gem(name, *args) click to toggle source

    # File lib/bundler/dsl.rb, line 94
    def gem(name, *args)
      options = args.last.is_a?(Hash) ? args.pop.dup : {}
      options["gemfile"] = @gemfile
      version = args || [">= 0"]

      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 }
        deleted_dep = @dependencies.delete(current) if current.type == :development

        if current.requirement != dep.requirement
          unless deleted_dep
            return if dep.type == :development

            update_prompt = ""

            if File.basename(@gemfile) == Injector::INJECTED_GEMS
              if dep.requirements_list.include?(">= 0") && !current.requirements_list.include?(">= 0")
                update_prompt = ". Gem already added"
              else
                update_prompt = ". If you want to update the gem version, run `bundle update #{current.name}`"

                update_prompt += ". You may also need to change the version requirement specified in the Gemfile if it's too restrictive." unless current.requirements_list.include?(">= 0")
              end
            end

            raise GemfileError, "You cannot specify the same gem twice with different version requirements.\n"                              "You specified: #{current.name} (#{current.requirement}) and #{dep.name} (#{dep.requirement})"                               "#{update_prompt}"
          end

        else
          Bundler.ui.warn "Your Gemfile lists the gem #{current.name} (#{current.requirement}) more than once.\n"                            "You should probably keep only one of them.\n"                            "Remove any duplicate entries and specify the gem only once (per group).\n"                            "While it's not a problem now, it could cause errors if you change the version of one of them later."
        end

        if current.source != dep.source
          unless deleted_dep
            return if dep.type == :development
            raise GemfileError, "You cannot specify the same gem twice coming from different sources.\n"                              "You specified that #{dep.name} (#{dep.requirement}) should come from "                              "#{current.source || "an unspecified source"} and #{dep.source}\n"
          end
        end
      end

      @dependencies << dep
    end

gemspec(opts = nil) click to toggle source

    # File lib/bundler/dsl.rb, line 58
    def gemspec(opts = nil)
      opts ||= {}
      path              = opts[:path] || "."
      glob              = opts[:glob]
      name              = opts[:name]
      development_group = opts[:development_group] || :development
      expanded_path     = gemfile_root.join(path)

      gemspecs = Dir[File.join(expanded_path, "{,*}.gemspec")].map {|g| Bundler.load_gemspec(g) }.compact
      gemspecs.reject! {|s| s.name != name } if name
      Index.sort_specs(gemspecs)
      specs_by_name_and_version = gemspecs.group_by {|s| [s.name, s.version] }

      case specs_by_name_and_version.size
      when 1
        specs = specs_by_name_and_version.values.first
        spec = specs.find {|s| s.match_platform(Bundler.local_platform) } || specs.first

        @gemspecs << spec

        gem_platforms = Bundler::Dependency::REVERSE_PLATFORM_MAP[Bundler::GemHelpers.generic_local_platform]
        gem spec.name, :name => spec.name, :path => path, :glob => glob, :platforms => gem_platforms

        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 #{expanded_path}"
      else
        raise InvalidOption, "There are multiple gemspecs at #{expanded_path}. "            "Please use the :name option to specify which one should be used"
      end
    end

git(uri, options = {}, &blk) click to toggle source

    # File lib/bundler/dsl.rb, line 209
    def git(uri, 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

      with_source(@sources.add_git_source(normalize_hash(options).merge("uri" => uri)), &blk)
    end

git_source(name, &block) click to toggle source

    # File lib/bundler/dsl.rb, line 173
    def git_source(name, &block)
      unless block_given?
        raise InvalidOption, "You need to pass a block to #git_source"
      end

      if valid_keys.include?(name.to_s)
        raise InvalidOption, "You cannot use #{name} as a git source. It "            "is a reserved key. Reserved keys are: #{valid_keys.join(", ")}"
      end

      @git_sources[name.to_s] = block
    end

github(repo, options = {}) click to toggle source

    # File lib/bundler/dsl.rb, line 224
    def github(repo, options = {})
      raise ArgumentError, "GitHub sources require a block" unless block_given?
      raise DeprecatedError, "The #github method has been removed" if Bundler.feature_flag.skip_default_git_sources?
      github_uri  = @git_sources["github"].call(repo)
      git_options = normalize_hash(options).merge("uri" => github_uri)
      git_source  = @sources.add_git_source(git_options)
      with_source(git_source) { yield }
    end

group(*args, &blk) click to toggle source

    # File lib/bundler/dsl.rb, line 237
    def group(*args, &blk)
      options = args.last.is_a?(Hash) ? args.pop.dup : {}
      normalize_group_options(options, args)

      @groups.concat args

      if options["optional"]
        optional_groups = args - @optional_groups
        @optional_groups.concat optional_groups
      end

      yield
    ensure
      args.each { @groups.pop }
    end

install_if(*args) click to toggle source

    # File lib/bundler/dsl.rb, line 253
    def install_if(*args)
      @install_conditionals.concat args
      yield
    ensure
      args.each { @install_conditionals.pop }
    end

method_missing(name, *args) click to toggle source

    # File lib/bundler/dsl.rb, line 280
    def method_missing(name, *args)
      raise GemfileError, "Undefined local variable or method `#{name}' for Gemfile"
    end

path(path, options = {}, &blk) click to toggle source

    # File lib/bundler/dsl.rb, line 186
    def path(path, options = {}, &blk)
      unless block_given?
        msg = "You can no longer specify a path source by itself. Instead, \n"                "either use the :path option on a gem, or specify the gems that \n"                "bundler should find in the path source by passing a block to \n"                "the path method, like: \n\n"                "    path 'dir/containing/rails' do\n"                "      gem 'rails'\n"                "    end\n\n"

        raise DeprecatedError, msg if Bundler.feature_flag.disable_multisource?
        SharedHelpers.major_deprecation(2, msg.strip)
      end

      source_options = normalize_hash(options).merge(
        "path" => Pathname.new(path),
        "root_path" => gemfile_root,
        "gemspec" => gemspecs.find {|g| g.name == options["name"] }
      )
      source = @sources.add_path_source(source_options)
      with_source(source, &blk)
    end

platform(*platforms) click to toggle source
Alias for: platforms
platforms(*platforms) click to toggle source

    # File lib/bundler/dsl.rb, line 260
    def platforms(*platforms)
      @platforms.concat platforms
      yield
    ensure
      platforms.each { @platforms.pop }
    end

Also aliased as: platform
plugin(*args) click to toggle source

    # File lib/bundler/dsl.rb, line 276
    def plugin(*args)
      # Pass on
    end

source(source, *args, &blk) click to toggle source

    # File lib/bundler/dsl.rb, line 148
    def source(source, *args, &blk)
      options = args.last.is_a?(Hash) ? args.pop.dup : {}
      options = normalize_hash(options)
      source = normalize_source(source)

      if options.key?("type")
        options["type"] = options["type"].to_s
        unless Plugin.source?(options["type"])
          raise InvalidOption, "No plugin sources available for #{options["type"]}"
        end

        unless block_given?
          raise InvalidOption, "You need to pass a block to #source with :type option"
        end

        source_opts = options.merge("uri" => source)
        with_source(@sources.add_plugin_source(options["type"], source_opts), &blk)
      elsif block_given?
        with_source(@sources.add_rubygems_source("remotes" => source), &blk)
      else
        check_primary_source_safety(@sources)
        @sources.global_rubygems_source = source
      end
    end

to_definition(lockfile, unlock) click to toggle source

    # File lib/bundler/dsl.rb, line 233
    def to_definition(lockfile, unlock)
      Definition.new(lockfile, @dependencies, @sources, unlock, @ruby_version, @optional_groups, @gemfiles)
    end

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