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require 'bundler/dependency'
module Bundler
class Dsl
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
VALID_PLATFORMS = Bundler::Dependency::PLATFORM_MAP.keys.freeze
def initialize
@rubygems_source = Source::Rubygems.new
@source = nil
@sources = []
@dependencies = []
@groups = []
@platforms = []
@env = nil
end
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
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
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 current = @dependencies.find { |d| d.name == dep.name }
if current.requirement != dep.requirement
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
if current.source != dep.source
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
@dependencies << Dependency.new(name, version, options)
end
def source(source, options = {})
case source
when :gemcutter, :rubygems, :rubyforge then
@rubygems_source.add_remote "http://rubygems.org"
return
when String
@rubygems_source.add_remote source
return
else
@source = source
options[:prepend] ? @sources.unshift(@source) : @sources << @source
yield if block_given?
return @source
end
ensure
@source = nil
end
def path(path, options = {}, source_options = {}, &blk)
source Source::Path.new(_normalize_hash(options).merge("path" => Pathname.new(path))), source_options, &blk
end
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
def to_definition(lockfile, unlock)
@rubygems_source.dependencies = @dependencies
@sources << @rubygems_source unless @sources.include?(@rubygems_source)
Definition.new(lockfile, @dependencies, @sources, unlock)
end
def group(*args, &blk)
@groups.concat args
yield
ensure
args.each { @groups.pop }
end
def platforms(*platforms)
@platforms.concat platforms
yield
ensure
platforms.each { @platforms.pop }
end
alias_method :platform, :platforms
def env(name)
@env, old = name, @env
yield
ensure
@env = old
end
# Deprecated methods
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
deprecate :only, :group
deprecate :except
deprecate :disable_system_gems
deprecate :disable_rubygems
deprecate :clear_sources
deprecate :bundle_path
deprecate :bin_path
private
def _normalize_hash(opts)
# Cannot modify a hash during an iteration in 1.9
opts.keys.each do |k|
next if String === k
v = opts[k]
opts.delete(k)
opts[k.to_s] = v
end
opts
end
def _normalize_options(name, version, opts)
_normalize_hash(opts)
invalid_keys = opts.keys - %w(group groups git github path name branch ref tag require submodules platform platforms)
if invalid_keys.any?
plural = invalid_keys.size > 1
message = "You passed #{invalid_keys.map{|k| ':'+k }.join(", ")} "
if plural
message << "as options for gem '#{name}', but they are invalid."
else
message << "as an option for gem '#{name}', but it is invalid."
end
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 DslError, "`#{p}` is not a valid platform. The available options are: #{VALID_PLATFORMS.inspect}"
end
if github = opts.delete(:github)
github = "#{github}/#{github}" unless github.include?("/")
opts["git"] = "git://github.com/#{github}.git"
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, :prepend => true) {}
opts["source"] = source
end
end
opts["source"] ||= @source
opts["env"] ||= @env
opts["platforms"] = platforms.dup
opts["group"] = groups
end
def _deprecated_options(options)
if options.include?(:require_as)
raise DeprecatedError, "Please replace :require_as with :require"
elsif options.include?(:vendored_at)
raise DeprecatedError, "Please replace :vendored_at with :path"
elsif options.include?(:only)
raise DeprecatedError, "Please replace :only with :group"
elsif options.include?(:except)
raise DeprecatedError, "The :except option is no longer supported"
end
end
end
end
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