class Bundler::Dsl

Constants

VALID_PLATFORMS

Attributes

dependencies[RW]

Public Class Methods

evaluate(gemfile, lockfile, unlock) click to toggle source
# File lib/bundler/dsl.rb, line 8
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 18
def initialize
  @source          = nil
  @sources         = SourceList.new
  @git_sources     = {}
  @dependencies    = []
  @groups          = []
  @platforms       = []
  @env             = nil
  @ruby_version    = nil
  add_git_sources
end

Public Instance Methods

env(name) { || ... } click to toggle source
# File lib/bundler/dsl.rb, line 179
def env(name)
  @env, old = name, @env
  yield
ensure
  @env = old
end
eval_gemfile(gemfile, contents = nil) click to toggle source
# File lib/bundler/dsl.rb, line 30
def eval_gemfile(gemfile, contents = nil)
  contents ||= Bundler.read_file(gemfile.to_s)
  instance_eval(contents, gemfile.to_s, 1)
rescue SyntaxError => e
  syntax_msg = e.message.gsub("#{gemfile}:", 'on line ')
  raise GemfileError, "Gemfile syntax error #{syntax_msg}"
rescue ScriptError, RegexpError, NameError, ArgumentError, RuntimeError => e
  e.backtrace[0] = "#{e.backtrace[0]}: #{e.message} (#{e.class})"
  Bundler.ui.warn e.backtrace.join("\n       ")
  raise GemfileError, "There was an error in your Gemfile,"          " and Bundler cannot continue."
end
gem(name, *args) click to toggle source
# File lib/bundler/dsl.rb, line 68
def gem(name, *args)
  options = args.last.is_a?(Hash) ? args.pop.dup : {}
  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 }
    if current.requirement != dep.requirement
      if current.type == :development
        @dependencies.delete current
      elsif dep.type == :development
        return
      else
        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})"
      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"                            "While it's not a problem now, it could cause errors if you change the version of just one of them later."
    end

    if current.source != dep.source
      if current.type == :development
        @dependencies.delete current
      elsif dep.type == :development
        return
      else
        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 43
def gemspec(opts = nil)
  path              = opts && opts[:path] || '.'
  name              = opts && opts[:name] || '{,*}'
  development_group = opts && opts[:development_group] || :development
  expanded_path     = File.expand_path(path, Bundler.default_gemfile.dirname)

  gemspecs = Dir[File.join(expanded_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 #{expanded_path}."
  else
    raise InvalidOption, "There are multiple gemspecs at #{expanded_path}. Please use the :name option to specify which one."
  end
end
git(uri, options = {}, &blk) click to toggle source
# File lib/bundler/dsl.rb, line 137
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 120
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 152
def github(repo, options = {})
  raise ArgumentError, "Github sources require a block" unless block_given?
  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) { || ... } click to toggle source
# File lib/bundler/dsl.rb, line 164
def group(*args, &blk)
  @groups.concat args
  yield
ensure
  args.each { @groups.pop }
end
method_missing(name, *args) click to toggle source
# File lib/bundler/dsl.rb, line 186
def method_missing(name, *args)
  location = caller[0].split(':')[0..1].join(':')
  raise GemfileError, "Undefined local variable or method `#{name}' for Gemfile\n"          "        from #{location}"
end
path(path, options = {}, &blk) click to toggle source
# File lib/bundler/dsl.rb, line 133
def path(path, options = {}, &blk)
  with_source(@sources.add_path_source(normalize_hash(options).merge("path" => Pathname.new(path))), &blk)
end
platform(*platforms)
Alias for: platforms
platforms(*platforms) { || ... } click to toggle source
# File lib/bundler/dsl.rb, line 171
def platforms(*platforms)
  @platforms.concat platforms
  yield
ensure
  platforms.each { @platforms.pop }
end
Also aliased as: platform
source(source, &blk) click to toggle source
# File lib/bundler/dsl.rb, line 110
def source(source, &blk)
  source = normalize_source(source)
  if block_given?
    with_source(@sources.add_rubygems_source("remotes" => source), &blk)
  else
    check_primary_source_safety(@sources)
    @sources.add_rubygems_remote(source)
  end
end
to_definition(lockfile, unlock) click to toggle source
# File lib/bundler/dsl.rb, line 160
def to_definition(lockfile, unlock)
  Definition.new(lockfile, @dependencies, @sources, unlock, @ruby_version)
end

Private Instance Methods

add_git_sources() click to toggle source
# File lib/bundler/dsl.rb, line 194
def add_git_sources
  git_source(:github) do |repo_name|
    repo_name = "#{repo_name}/#{repo_name}" unless repo_name.include?("/")
    "git://github.com/#{repo_name}.git"
  end

  git_source(:gist){ |repo_name| "https://gist.github.com/#{repo_name}.git" }

  git_source(:bitbucket) do |repo_name|
    user_name, repo_name = repo_name.split '/'
    repo_name ||= user_name
    "https://#{user_name}@bitbucket.org/#{user_name}/#{repo_name}.git"
  end
end
check_primary_source_safety(source) click to toggle source
# File lib/bundler/dsl.rb, line 312
def check_primary_source_safety(source)
  return unless source.rubygems_primary_remotes.any?

  if Bundler.settings[:disable_multisource]
    raise GemspecError, "Warning: this Gemfile contains multiple primary sources. "            "Each source after the first must include a block to indicate which gems "            "should come from that source. To downgrade this error to a warning, run "            "`bundle config --delete disable_multisource`."
  else
    Bundler.ui.warn "Warning: this Gemfile contains multiple primary sources. "            "Using `source` more than once without a block is a security risk, and "            "may result in installing unexpected gems. To resolve this warning, use "            "a block to indicate which gems should come from the secondary source. "            "To upgrade this warning to an error, run `bundle config "            "disable_multisource true`."
  end
end
normalize_hash(opts) click to toggle source
# File lib/bundler/dsl.rb, line 219
def normalize_hash(opts)
  opts.keys.each do |k|
    opts[k.to_s] = opts.delete(k) unless k.is_a?(String)
  end
  opts
end
normalize_options(name, version, opts) click to toggle source
# File lib/bundler/dsl.rb, line 230
def normalize_options(name, version, opts)
  if name.is_a?(Symbol)
    raise GemfileError, %Q{You need to specify gem names as Strings. Use 'gem "#{name}"' instead.}
  end
  if name =~ /\s/
    raise GemfileError, %Q{'#{name}' is not a valid gem name because it contains whitespace.}
  end

  normalize_hash(opts)

  git_names = @git_sources.keys.map(&:to_s)

  invalid_keys = opts.keys - (valid_keys + git_names)
  if invalid_keys.any?
    message = "You passed #{invalid_keys.map{|k| ':'+k }.join(", ")} "
    message << if invalid_keys.size > 1
                 "as options for gem '#{name}', but they are invalid."
               else
                 "as an option for gem '#{name}', but it is invalid."
               end

    message << " Valid options are: #{valid_keys.join(", ")}"
    raise InvalidOption, message
  end

  groups = @groups.dup
  opts["group"] = opts.delete("groups") || opts["group"]
  groups.concat Array(opts.delete("group"))
  groups = [:default] if groups.empty?

  platforms = @platforms.dup
  opts["platforms"] = opts["platform"] || opts["platforms"]
  platforms.concat Array(opts.delete("platforms"))
  platforms.map! { |p| p.to_sym }
  platforms.each do |p|
    next if VALID_PLATFORMS.include?(p)
    raise GemfileError, "`#{p}` is not a valid platform. The available options are: #{VALID_PLATFORMS.inspect}"
  end

  # Save sources passed in a key
  if opts.has_key?("source")
    source = normalize_source(opts["source"])
    opts["source"] = @sources.add_rubygems_source("remotes" => source)
  end

  git_name = (git_names & opts.keys).last
  if @git_sources[git_name]
    opts["git"] = @git_sources[git_name].call(opts[git_name])
  end

  ["git", "path"].each do |type|
    if param = opts[type]
      if version.first && version.first =~ /^\s*=?\s*(\d[^\s]*)\s*$/
        options = opts.merge("name" => name, "version" => $1)
      else
        options = opts.dup
      end
      source = send(type, param, options) {}
      opts["source"] = source
    end
  end

  opts["source"]  ||= @source
  opts["env"]     ||= @env
  opts["platforms"] = platforms.dup
  opts["group"]     = groups
end
normalize_source(source) click to toggle source
# File lib/bundler/dsl.rb, line 298
def normalize_source(source)
  case source
  when :gemcutter, :rubygems, :rubyforge
    Bundler.ui.warn "The source :#{source} is deprecated because HTTP "            "requests are insecure.\nPlease change your source to 'https://"            "rubygems.org' if possible, or 'http://rubygems.org' if not."
    "http://rubygems.org"
  when String
    source
  else
    raise GemfileError, "Unknown source '#{source}'"
  end
end
valid_keys() click to toggle source
# File lib/bundler/dsl.rb, line 226
def valid_keys
  @valid_keys ||= %w(group groups git path name branch ref tag require submodules platform platforms type source)
end
with_source(source) { || ... } click to toggle source
# File lib/bundler/dsl.rb, line 209
def with_source(source)
  if block_given?
    @source = source
    yield
  end
  source
ensure
  @source = nil
end