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require 'bundler/dependency'
require 'bundler/ruby_dsl'
module Bundler
class Dsl
include RubyDsl
def self.evaluate(gemfile, lockfile, unlock)
builder = new
builder.eval_gemfile(gemfile)
builder.to_definition(lockfile, unlock)
end
VALID_PLATFORMS = Bundler::Dependency::PLATFORM_MAP.keys.freeze
attr_accessor :dependencies
def initialize
@source = nil
@sources = SourceList.new
@git_sources = {}
@dependencies = []
@groups = []
@platforms = []
@env = nil
@ruby_version = nil
add_git_sources
end
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 => 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
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
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
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
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
def path(path, options = {}, &blk)
with_source(@sources.add_path_source(normalize_hash(options).merge("path" => Pathname.new(path))), &blk)
end
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
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
def to_definition(lockfile, unlock)
Definition.new(lockfile, @dependencies, @sources, unlock, @ruby_version)
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
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
private
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
def with_source(source)
if block_given?
@source = source
yield
end
source
ensure
@source = nil
end
def normalize_hash(opts)
opts.keys.each do |k|
opts[k.to_s] = opts.delete(k) unless k.is_a?(String)
end
opts
end
def valid_keys
@valid_keys ||= %w(group groups git path name branch ref tag require submodules platform platforms type source)
end
def normalize_options(name, version, opts)
if name.is_a?(Symbol)
raise GemfileError, %{You need to specify gem names as Strings. Use 'gem "#{name}"' instead.}
end
if name =~ /\s/
raise GemfileError, %{'#{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
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
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
end
end
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