295 lines
9.4 KiB
Ruby
295 lines
9.4 KiB
Ruby
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require 'bundler/dependency'
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require 'bundler/ruby_dsl'
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module Bundler
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class Dsl
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include RubyDsl
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def self.evaluate(gemfile, lockfile, unlock)
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builder = new
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builder.eval_gemfile(gemfile)
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builder.to_definition(lockfile, unlock)
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end
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VALID_PLATFORMS = Bundler::Dependency::PLATFORM_MAP.keys.freeze
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attr_accessor :dependencies
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def initialize
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@source = nil
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@sources = SourceList.new
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@git_sources = {}
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@dependencies = []
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@groups = []
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@platforms = []
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@env = nil
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@ruby_version = nil
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add_github_sources
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end
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def eval_gemfile(gemfile, contents = nil)
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contents ||= Bundler.read_file(gemfile.to_s)
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instance_eval(contents, gemfile.to_s, 1)
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rescue SyntaxError => e
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syntax_msg = e.message.gsub("#{gemfile.to_s}:", 'on line ')
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raise GemfileError, "Gemfile syntax error #{syntax_msg}"
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rescue ScriptError, RegexpError, NameError, ArgumentError => e
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e.backtrace[0] = "#{e.backtrace[0]}: #{e.message} (#{e.class})"
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Bundler.ui.warn e.backtrace.join("\n ")
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raise GemfileError, "There was an error in your Gemfile," \
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" and Bundler cannot continue."
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end
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def gemspec(opts = nil)
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path = opts && opts[:path] || '.'
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name = opts && opts[:name] || '{,*}'
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development_group = opts && opts[:development_group] || :development
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expanded_path = File.expand_path(path, Bundler.default_gemfile.dirname)
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gemspecs = Dir[File.join(expanded_path, "#{name}.gemspec")]
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case gemspecs.size
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when 1
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spec = Bundler.load_gemspec(gemspecs.first)
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raise InvalidOption, "There was an error loading the gemspec at #{gemspecs.first}." unless spec
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gem spec.name, :path => path
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group(development_group) do
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spec.development_dependencies.each do |dep|
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gem dep.name, *(dep.requirement.as_list + [:type => :development])
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end
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end
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when 0
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raise InvalidOption, "There are no gemspecs at #{expanded_path}."
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else
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raise InvalidOption, "There are multiple gemspecs at #{expanded_path}. Please use the :name option to specify which one."
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end
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end
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def gem(name, *args)
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options = args.last.is_a?(Hash) ? args.pop.dup : {}
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version = args || [">= 0"]
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normalize_options(name, version, options)
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dep = Dependency.new(name, version, options)
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# if there's already a dependency with this name we try to prefer one
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if current = @dependencies.find { |d| d.name == dep.name }
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if current.requirement != dep.requirement
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if current.type == :development
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@dependencies.delete current
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elsif dep.type == :development
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return
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else
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raise GemfileError, "You cannot specify the same gem twice with different version requirements.\n" \
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"You specified: #{current.name} (#{current.requirement}) and #{dep.name} (#{dep.requirement})"
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end
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else
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Bundler.ui.warn "Your Gemfile lists the gem #{current.name} (#{current.requirement}) more than once.\n" \
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"You should probably keep only one of them.\n" \
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"While it's not a problem now, it could cause errors if you change the version of just one of them later."
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end
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if current.source != dep.source
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if current.type == :development
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@dependencies.delete current
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elsif dep.type == :development
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return
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else
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raise GemfileError, "You cannot specify the same gem twice coming from different sources.\n" \
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"You specified that #{dep.name} (#{dep.requirement}) should come from " \
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"#{current.source || 'an unspecified source'} and #{dep.source}\n"
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end
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end
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end
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@dependencies << dep
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end
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def source(source, &blk)
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source = normalize_source(source)
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if block_given?
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with_source(@sources.add_rubygems_source("remotes" => source), &blk)
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else
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@sources.add_rubygems_remote(source)
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end
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end
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def git_source(name, &block)
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unless block_given?
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raise InvalidOption, "You need to pass a block to #git_source"
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end
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if valid_keys.include?(name.to_s)
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raise InvalidOption, "You cannot use #{name} as a git source. It " \
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"is a reserved key. Reserved keys are: #{valid_keys.join(", ")}"
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end
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@git_sources[name.to_s] = block
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end
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def path(path, options = {}, &blk)
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with_source(@sources.add_path_source(normalize_hash(options).merge("path" => Pathname.new(path))), &blk)
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end
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def git(uri, options = {}, &blk)
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unless block_given?
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msg = "You can no longer specify a git source by itself. Instead, \n" \
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"either use the :git option on a gem, or specify the gems that \n" \
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"bundler should find in the git source by passing a block to \n" \
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"the git method, like: \n\n" \
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" git 'git://github.com/rails/rails.git' do\n" \
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" gem 'rails'\n" \
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" end"
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raise DeprecatedError, msg
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end
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with_source(@sources.add_git_source(normalize_hash(options).merge("uri" => uri)), &blk)
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end
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def to_definition(lockfile, unlock)
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Definition.new(lockfile, @dependencies, @sources, unlock, @ruby_version)
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end
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def group(*args, &blk)
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@groups.concat args
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yield
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ensure
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args.each { @groups.pop }
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end
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def platforms(*platforms)
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@platforms.concat platforms
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yield
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ensure
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platforms.each { @platforms.pop }
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end
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alias_method :platform, :platforms
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def env(name)
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@env, old = name, @env
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yield
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ensure
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@env = old
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end
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def method_missing(name, *args)
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location = caller[0].split(':')[0..1].join(':')
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raise GemfileError, "Undefined local variable or method `#{name}' for Gemfile\n" \
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" from #{location}"
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end
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private
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def add_github_sources
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git_source(:github) do |repo_name|
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repo_name = "#{repo_name}/#{repo_name}" unless repo_name.include?("/")
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"git://github.com/#{repo_name}.git"
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end
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git_source(:gist){ |repo_name| "https://gist.github.com/#{repo_name}.git" }
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end
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def with_source(source)
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if block_given?
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@source = source
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yield
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end
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source
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ensure
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@source = nil
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end
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def normalize_hash(opts)
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opts.keys.each do |k|
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opts[k.to_s] = opts.delete(k) unless k.is_a?(String)
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end
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opts
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end
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def valid_keys
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@valid_keys ||= %w(group groups git path name branch ref tag require submodules platform platforms type source)
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end
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def normalize_options(name, version, opts)
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if name.is_a?(Symbol)
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raise GemfileError, %{You need to specify gem names as Strings. Use 'gem "#{name.to_s}"' instead.}
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end
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normalize_hash(opts)
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git_names = @git_sources.keys.map(&:to_s)
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invalid_keys = opts.keys - (valid_keys + git_names)
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if invalid_keys.any?
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message = "You passed #{invalid_keys.map{|k| ':'+k }.join(", ")} "
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message << if invalid_keys.size > 1
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"as options for gem '#{name}', but they are invalid."
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else
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"as an option for gem '#{name}', but it is invalid."
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end
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message << " Valid options are: #{valid_keys.join(", ")}"
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raise InvalidOption, message
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end
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groups = @groups.dup
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opts["group"] = opts.delete("groups") || opts["group"]
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groups.concat Array(opts.delete("group"))
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groups = [:default] if groups.empty?
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platforms = @platforms.dup
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opts["platforms"] = opts["platform"] || opts["platforms"]
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platforms.concat Array(opts.delete("platforms"))
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platforms.map! { |p| p.to_sym }
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platforms.each do |p|
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next if VALID_PLATFORMS.include?(p)
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raise GemfileError, "`#{p}` is not a valid platform. The available options are: #{VALID_PLATFORMS.inspect}"
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end
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# Save sources passed in a key
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if opts.has_key?("source")
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source = normalize_source(opts["source"])
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opts["source"] = @sources.add_rubygems_source("remotes" => source)
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end
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git_name = (git_names & opts.keys).last
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if @git_sources[git_name]
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opts["git"] = @git_sources[git_name].call(opts[git_name])
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end
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["git", "path"].each do |type|
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if param = opts[type]
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if version.first && version.first =~ /^\s*=?\s*(\d[^\s]*)\s*$/
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options = opts.merge("name" => name, "version" => $1)
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else
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options = opts.dup
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end
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source = send(type, param, options) {}
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opts["source"] = source
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end
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end
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opts["source"] ||= @source
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opts["env"] ||= @env
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opts["platforms"] = platforms.dup
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opts["group"] = groups
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end
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def normalize_source(source)
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case source
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when :gemcutter, :rubygems, :rubyforge
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Bundler.ui.warn "The source :#{source} is deprecated because HTTP " \
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"requests are insecure.\nPlease change your source to 'https://" \
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"rubygems.org' if possible, or 'http://rubygems.org' if not."
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"http://rubygems.org"
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when String
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source
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else
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raise GemfileError, "Unknown source '#{source}'"
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end
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end
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end
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end
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