565 lines
19 KiB
Ruby
565 lines
19 KiB
Ruby
require "monitor"
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require "pathname"
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require "set"
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require "tempfile"
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require "fileutils"
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require "uri"
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require "rubygems/package"
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require "rubygems/uninstaller"
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require "rubygems/name_tuple"
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require_relative "shared_helpers"
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require_relative "version"
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require_relative "util/safe_env"
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module Vagrant
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# This class manages Vagrant's interaction with Bundler. Vagrant uses
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# Bundler as a way to properly resolve all dependencies of Vagrant and
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# all Vagrant-installed plugins.
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class Bundler
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# Location of HashiCorp gem repository
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HASHICORP_GEMSTORE = "https://gems.hashicorp.com/".freeze
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# Default gem repositories
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DEFAULT_GEM_SOURCES = [
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"https://rubygems.org/".freeze,
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HASHICORP_GEMSTORE
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].freeze
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def self.instance
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@bundler ||= self.new
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end
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attr_reader :plugin_gem_path
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def initialize
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@plugin_gem_path = Vagrant.user_data_path.join("gems", RUBY_VERSION).freeze
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@logger = Log4r::Logger.new("vagrant::bundler")
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end
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# Initializes Bundler and the various gem paths so that we can begin
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# loading gems. This must only be called once.
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def init!(plugins, repair=false)
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# Add HashiCorp RubyGems source
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Gem.sources << HASHICORP_GEMSTORE
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# Generate dependencies for all registered plugins
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plugin_deps = plugins.map do |name, info|
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Gem::Dependency.new(name, info['gem_version'].to_s.empty? ? '> 0' : info['gem_version'])
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end
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@logger.debug("Current generated plugin dependency list: #{plugin_deps}")
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# Load dependencies into a request set for resolution
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request_set = Gem::RequestSet.new(*plugin_deps)
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# Never allow dependencies to be remotely satisfied during init
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request_set.remote = false
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repair_result = nil
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begin
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# Compose set for resolution
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composed_set = generate_vagrant_set
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# Resolve the request set to ensure proper activation order
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solution = request_set.resolve(composed_set)
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rescue Gem::UnsatisfiableDependencyError => failure
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if repair
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raise failure if @init_retried
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@logger.debug("Resolution failed but attempting to repair. Failure: #{failure}")
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install(plugins)
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@init_retried = true
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retry
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else
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raise
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end
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end
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# Activate the gems
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activate_solution(solution)
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full_vagrant_spec_list = Gem::Specification.find_all{true} +
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solution.map(&:full_spec)
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if(defined?(::Bundler))
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@logger.debug("Updating Bundler with full specification list")
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::Bundler.rubygems.replace_entrypoints(full_vagrant_spec_list)
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end
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Gem.post_reset do
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Gem::Specification.all = full_vagrant_spec_list
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end
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Gem::Specification.reset
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end
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# Removes any temporary files created by init
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def deinit
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# no-op
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end
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# Installs the list of plugins.
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#
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# @param [Hash] plugins
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# @return [Array<Gem::Specification>]
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def install(plugins, local=false)
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internal_install(plugins, nil, local: local)
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end
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# Installs a local '*.gem' file so that Bundler can find it.
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#
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# @param [String] path Path to a local gem file.
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# @return [Gem::Specification]
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def install_local(path, opts={})
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plugin_source = Gem::Source::SpecificFile.new(path)
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plugin_info = {
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plugin_source.spec.name => {
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"gem_version" => plugin_source.spec.version.to_s,
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"local_source" => plugin_source,
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"sources" => opts.fetch(:sources, [])
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}
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}
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@logger.debug("Installing local plugin - #{plugin_info}")
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internal_install(plugin_info, {})
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plugin_source.spec
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end
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# Update updates the given plugins, or every plugin if none is given.
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#
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# @param [Hash] plugins
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# @param [Array<String>] specific Specific plugin names to update. If
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# empty or nil, all plugins will be updated.
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def update(plugins, specific)
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specific ||= []
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update = {gems: specific.empty? ? true : specific}
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internal_install(plugins, update)
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end
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# Clean removes any unused gems.
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def clean(plugins)
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@logger.debug("Cleaning Vagrant plugins of stale gems.")
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# Generate dependencies for all registered plugins
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plugin_deps = plugins.map do |name, info|
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gem_version = info['installed_gem_version']
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gem_version = info['gem_version'] if gem_version.to_s.empty?
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gem_version = "> 0" if gem_version.to_s.empty?
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Gem::Dependency.new(name, gem_version)
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end
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@logger.debug("Current plugin dependency list: #{plugin_deps}")
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# Load dependencies into a request set for resolution
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request_set = Gem::RequestSet.new(*plugin_deps)
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# Never allow dependencies to be remotely satisfied during cleaning
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request_set.remote = false
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# Sets that we can resolve our dependencies from. Note that we only
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# resolve from the current set as all required deps are activated during
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# init.
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current_set = generate_vagrant_set
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# Collect all plugin specifications
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plugin_specs = Dir.glob(plugin_gem_path.join('specifications/*.gemspec').to_s).map do |spec_path|
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Gem::Specification.load(spec_path)
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end
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@logger.debug("Generating current plugin state solution set.")
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# Resolve the request set to ensure proper activation order
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solution = request_set.resolve(current_set)
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solution_specs = solution.map(&:full_spec)
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solution_full_names = solution_specs.map(&:full_name)
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# Find all specs installed to plugins directory that are not
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# found within the solution set
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plugin_specs.delete_if do |spec|
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solution_full_names.include?(spec.full_name)
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end
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@logger.debug("Specifications to be removed - #{plugin_specs.map(&:full_name)}")
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# Now delete all unused specs
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plugin_specs.each do |spec|
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@logger.debug("Uninstalling gem - #{spec.full_name}")
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Gem::Uninstaller.new(spec.name,
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version: spec.version,
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install_dir: plugin_gem_path,
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all: true,
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executables: true,
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force: true,
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ignore: true,
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).uninstall_gem(spec)
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end
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solution.find_all do |spec|
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plugins.keys.include?(spec.name)
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end
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end
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# During the duration of the yielded block, Bundler loud output
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# is enabled.
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def verbose
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if block_given?
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initial_state = @verbose
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@verbose = true
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yield
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@verbose = initial_state
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else
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@verbose = true
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end
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end
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protected
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def internal_install(plugins, update, **extra)
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update = {} if !update.is_a?(Hash)
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skips = []
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source_list = {}
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system_plugins = plugins.map do |plugin_name, plugin_info|
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plugin_name if plugin_info["system"]
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end.compact
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installer_set = VagrantSet.new(:both)
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installer_set.system_plugins = system_plugins
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# Generate all required plugin deps
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plugin_deps = plugins.map do |name, info|
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gem_version = info['gem_version'].to_s.empty? ? '> 0' : info['gem_version']
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if update[:gems] == true || (update[:gems].respond_to?(:include?) && update[:gems].include?(name))
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if Gem::Requirement.new(gem_version).exact?
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gem_version = "> 0"
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@logger.debug("Detected exact version match for `#{name}` plugin update. Reset to loose constraint #{gem_version.inspect}.")
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end
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skips << name
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end
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source_list[name] ||= []
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if plugin_source = info.delete("local_source")
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installer_set.add_local(plugin_source.spec.name, plugin_source.spec, plugin_source)
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source_list[name] << plugin_source.path
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end
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Array(info["sources"]).each do |source|
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if !source.end_with?("/")
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source = source + "/"
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end
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source_list[name] << source
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end
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Gem::Dependency.new(name, gem_version)
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end
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if Vagrant.strict_dependency_enforcement
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@logger.debug("Enabling strict dependency enforcement")
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plugin_deps += vagrant_internal_specs.map do |spec|
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next if system_plugins.include?(spec.name)
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Gem::Dependency.new(spec.name, spec.version)
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end.compact
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else
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@logger.debug("Disabling strict dependency enforcement")
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end
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@logger.debug("Dependency list for installation:\n - " \
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"#{plugin_deps.map{|d| "#{d.name} #{d.requirement}"}.join("\n - ")}")
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all_sources = source_list.values.flatten.uniq
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default_sources = DEFAULT_GEM_SOURCES & all_sources
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all_sources -= DEFAULT_GEM_SOURCES
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# Only allow defined Gem sources
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Gem.sources.clear
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@logger.debug("Enabling user defined remote RubyGems sources")
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all_sources.each do |src|
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begin
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next if File.file?(src) || URI.parse(src).scheme.nil?
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rescue URI::InvalidURIError
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next
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end
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@logger.debug("Adding RubyGems source #{src}")
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Gem.sources << src
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end
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@logger.debug("Enabling default remote RubyGems sources")
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default_sources.each do |src|
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@logger.debug("Adding source - #{src}")
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Gem.sources << src
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end
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validate_configured_sources!
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source_list.values.each{|srcs| srcs.delete_if{|src| default_sources.include?(src)}}
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installer_set.prefer_sources = source_list
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@logger.debug("Current source list for install: #{Gem.sources.to_a}")
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# Create the request set for the new plugins
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request_set = Gem::RequestSet.new(*plugin_deps)
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installer_set = Gem::Resolver.compose_sets(
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installer_set,
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generate_builtin_set(system_plugins),
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generate_plugin_set(skips)
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)
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@logger.debug("Generating solution set for installation.")
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# Generate the required solution set for new plugins
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solution = request_set.resolve(installer_set)
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activate_solution(solution)
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@logger.debug("Installing required gems.")
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# Install all remote gems into plugin path. Set the installer to ignore dependencies
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# as we know the dependencies are satisfied and it will attempt to validate a gem's
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# dependencies are satisified by gems in the install directory (which will likely not
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# be true)
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result = request_set.install_into(plugin_gem_path.to_s, true,
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ignore_dependencies: true,
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prerelease: Vagrant.prerelease?,
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wrappers: true
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)
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result = result.map(&:full_spec)
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result
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end
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# Generate the composite resolver set totally all of vagrant (builtin + plugin set)
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def generate_vagrant_set
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Gem::Resolver.compose_sets(generate_builtin_set, generate_plugin_set)
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end
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# @return [Array<[Gem::Specification, String]>] spec and directory pairs
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def vagrant_internal_specs
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list = {}
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directories = [Gem::Specification.default_specifications_dir]
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Gem::Specification.find_all{true}.each do |spec|
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list[spec.full_name] = spec
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end
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if(!defined?(::Bundler))
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directories += Gem::Specification.dirs.find_all do |path|
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!path.start_with?(Gem.user_dir)
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end
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end
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Gem::Specification.each_spec(directories) do |spec|
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if !list[spec.full_name]
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list[spec.full_name] = spec
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end
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end
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list.values
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end
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# Iterates each configured RubyGem source to validate that it is properly
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# available. If source is unavailable an exception is raised.
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def validate_configured_sources!
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Gem.sources.each_source do |src|
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begin
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src.load_specs(:released)
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rescue Gem::Exception => source_error
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if ENV["VAGRANT_ALLOW_PLUGIN_SOURCE_ERRORS"]
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@logger.warn("Failed to load configured plugin source: #{src}!")
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@logger.warn("Error received attempting to load source (#{src}): #{source_error}")
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@logger.warn("Ignoring plugin source load failure due user request via env variable")
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else
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@logger.error("Failed to load configured plugin source `#{src}`: #{source_error}")
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raise Vagrant::Errors::PluginSourceError,
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source: src.uri.to_s,
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error_msg: source_error.message
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end
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end
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end
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end
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# Generate the builtin resolver set
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def generate_builtin_set(system_plugins=[])
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builtin_set = BuiltinSet.new
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@logger.debug("Generating new builtin set instance.")
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vagrant_internal_specs.each do |spec|
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if !system_plugins.include?(spec.name)
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builtin_set.add_builtin_spec(spec)
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end
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end
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builtin_set
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end
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# Generate the plugin resolver set. Optionally provide specification names (short or
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# full) that should be ignored
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def generate_plugin_set(skip=[])
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plugin_set = PluginSet.new
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@logger.debug("Generating new plugin set instance. Skip gems - #{skip}")
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Dir.glob(plugin_gem_path.join('specifications/*.gemspec').to_s).each do |spec_path|
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spec = Gem::Specification.load(spec_path)
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desired_spec_path = File.join(spec.gem_dir, "#{spec.name}.gemspec")
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# Vendor set requires the spec to be within the gem directory. Some gems will package their
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# spec file, and that's not what we want to load.
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if !File.exist?(desired_spec_path) || !FileUtils.cmp(spec.spec_file, desired_spec_path)
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File.write(desired_spec_path, spec.to_ruby)
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end
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next if skip.include?(spec.name) || skip.include?(spec.full_name)
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plugin_set.add_vendor_gem(spec.name, spec.gem_dir)
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end
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plugin_set
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end
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# Activate a given solution
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def activate_solution(solution)
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retried = false
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begin
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@logger.debug("Activating solution set: #{solution.map(&:full_name)}")
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solution.each do |activation_request|
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unless activation_request.full_spec.activated?
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@logger.debug("Activating gem #{activation_request.full_spec.full_name}")
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activation_request.full_spec.activate
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if(defined?(::Bundler))
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@logger.debug("Marking gem #{activation_request.full_spec.full_name} loaded within Bundler.")
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::Bundler.rubygems.mark_loaded activation_request.full_spec
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end
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end
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end
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rescue Gem::LoadError => e
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# Depending on the version of Ruby, the ordering of the solution set
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# will be either 0..n (molinillo) or n..0 (pre-molinillo). Instead of
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# attempting to determine what's in use, or if it has some how changed
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# again, just reverse order on failure and attempt again.
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if retried
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@logger.error("Failed to load solution set - #{e.class}: #{e}")
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matcher = e.message.match(/Could not find '(?<gem_name>[^']+)'/)
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if matcher && !matcher["gem_name"].empty?
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desired_activation_request = solution.detect do |request|
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request.name == matcher["gem_name"]
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end
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if desired_activation_request && !desired_activation_request.full_spec.activated?
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activation_request = desired_activation_request
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@logger.warn("Found misordered activation request for #{desired_activation_request.full_name}. Moving to solution HEAD.")
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solution.delete(desired_activation_request)
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solution.unshift(desired_activation_request)
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retry
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end
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end
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raise
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else
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@logger.debug("Failed to load solution set. Retrying with reverse order.")
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retried = true
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solution.reverse!
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retry
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end
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end
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end
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# This is a custom Gem::Resolver::InstallerSet. It will prefer sources which are
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# explicitly provided over default sources when matches are found. This is generally
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# the entire set used for performing full resolutions on install.
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class VagrantSet < Gem::Resolver::InstallerSet
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attr_accessor :prefer_sources
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attr_accessor :system_plugins
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def initialize(domain, defined_sources={})
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@prefer_sources = defined_sources
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@system_plugins = []
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super(domain)
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end
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# Allow InstallerSet to find matching specs, then filter
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# for preferred sources
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def find_all(req)
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result = super
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if system_plugins.include?(req.name)
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result.delete_if do |spec|
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spec.is_a?(Gem::Resolver::InstalledSpecification)
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end
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end
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subset = result.find_all do |idx_spec|
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preferred = false
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if prefer_sources[req.name]
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if idx_spec.source.respond_to?(:path)
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preferred = prefer_sources[req.name].include?(idx_spec.source.path.to_s)
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end
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if !preferred
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preferred = prefer_sources[req.name].include?(idx_spec.source.uri.to_s)
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end
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end
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preferred
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end
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subset.empty? ? result : subset
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end
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end
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# This is a custom Gem::Resolver::Set for use with vagrant "system" gems. It
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# allows the installed set of gems to be used for providing a solution while
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# enforcing strict constraints. This ensures that plugins cannot "upgrade"
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# gems that are builtin to vagrant itself.
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class BuiltinSet < Gem::Resolver::Set
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def initialize
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super
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@remote = false
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@specs = []
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end
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def add_builtin_spec(spec)
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@specs.push(spec).uniq!
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end
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def find_all(req)
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@specs.select do |spec|
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allow_prerelease = spec.name == "vagrant" && Vagrant.prerelease?
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req.match?(spec, allow_prerelease)
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end.map do |spec|
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Gem::Resolver::InstalledSpecification.new(self, spec)
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end
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end
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end
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# This is a custom Gem::Resolver::Set for use with Vagrant plugins. It is
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# a modified Gem::Resolver::VendorSet that supports multiple versions of
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# a specific gem
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class PluginSet < Gem::Resolver::VendorSet
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##
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|
# Adds a specification to the set with the given +name+ which has been
|
|
# unpacked into the given +directory+.
|
|
def add_vendor_gem(name, directory)
|
|
gemspec = File.join(directory, "#{name}.gemspec")
|
|
spec = Gem::Specification.load(gemspec)
|
|
if !spec
|
|
raise Gem::GemNotFoundException,
|
|
"unable to find #{gemspec} for gem #{name}"
|
|
end
|
|
|
|
spec.full_gem_path = File.expand_path(directory)
|
|
spec.base_dir = File.dirname(spec.base_dir)
|
|
|
|
@specs[spec.name] ||= []
|
|
@specs[spec.name] << spec
|
|
@directories[spec] = directory
|
|
|
|
spec
|
|
end
|
|
|
|
##
|
|
# Returns an Array of VendorSpecification objects matching the
|
|
# DependencyRequest +req+.
|
|
def find_all(req)
|
|
@specs.values.flatten.select do |spec|
|
|
req.match?(spec)
|
|
end.map do |spec|
|
|
source = Gem::Source::Vendor.new(@directories[spec])
|
|
Gem::Resolver::VendorSpecification.new(self, spec, source)
|
|
end
|
|
end
|
|
|
|
##
|
|
# Loads a spec with the given +name+. +version+, +platform+ and +source+ are
|
|
# ignored.
|
|
def load_spec (name, version, platform, source)
|
|
version = Gem::Version.new(version) if !version.is_a?(Gem::Version)
|
|
@specs.fetch(name, []).detect{|s| s.name == name && s.version == version}
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
# Patch for Ruby 2.2 and Bundler to behave properly when uninstalling plugins
|
|
if Gem::Version.new(RUBY_VERSION) < Gem::Version.new('2.3')
|
|
if defined?(::Bundler) && !::Bundler::SpecSet.instance_methods.include?(:delete)
|
|
class Gem::Specification
|
|
def self.remove_spec(spec)
|
|
Gem::Specification.reset
|
|
end
|
|
end
|
|
end
|
|
end
|