13fddfa6f9
This changed plugin loading semantics a tiny bit, since they are no longer loaded when Vagrant is loaded but instead when the Vagrant::Environment is initialized. I'll note this in the CHANGELOG.
82 lines
3.0 KiB
Ruby
82 lines
3.0 KiB
Ruby
require "rubygems"
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require "log4r"
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module Vagrant
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# Represents a single plugin and also manages loading plugins from
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# RubyGems. If a plugin has a `vagrant_init.rb` file somewhere on its
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# load path, then this class will find it and load it. For logging purposes
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# (for debugging), the list of loaded plugins is stored in the {plugins}
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# array.
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class Plugin
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# The array of gem specifications that were loaded as plugins.
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@@plugins = []
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# Loads all the plugins for Vagrant. Plugins are currently
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# gems which have a "vagrant_init.rb" somewhere on their
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# load path. This file is loaded to kick off the load sequence
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# for that plugin.
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def self.load!
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logger = Log4r::Logger.new("vagrant::plugin")
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logger.info("Searching and loading any available plugins...")
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# Our version is used for checking dependencies
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our_version = Gem::Version.create(Vagrant::VERSION)
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# RubyGems 1.8.0 deprecated `source_index`. Gem::Specification is the
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# new replacement. For now, we support both, but special-case 1.8.x
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# so that we avoid deprecation messages.
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index = Gem::VERSION >= "1.8.0" ? Gem::Specification : Gem.source_index
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# Stupid hack since Rails 2.3.x overrides Gem.source_index with their
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# own incomplete replacement which causes issues.
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index = [index.installed_source_index, index.vendor_source_index] if defined?(Rails::VendorGemSourceIndex) && index.is_a?(Rails::VendorGemSourceIndex)
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# Look for a vagrant_init.rb in all the gems, but only the
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# latest version of the gems.
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[index].flatten.each do |source|
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# In 1.6.0, added the option of including prerelease gems, which is
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# useful for developers.
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specs = Gem::VERSION >= "1.6.0" ? source.latest_specs(true) : source.latest_specs
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specs.each do |spec|
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if @@plugins.include?(spec)
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logger.debug("Plugin already loaded, not loading again: #{spec.name}")
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next
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end
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# If this gem depends on Vagrant, verify this is a valid release of
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# Vagrant for this gem to load into.
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vagrant_dep = spec.dependencies.find { |d| d.name == "vagrant" }
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if vagrant_dep && !vagrant_dep.requirement.satisfied_by?(our_version)
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logger.debug("Plugin Vagrant dependency mismatch: #{spec.name} (#{spec.version})")
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next
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end
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# Find a vagrant_init.rb to verify if this is a plugin
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file = nil
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if Gem::VERSION >= "1.8.0"
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file = spec.matches_for_glob("**/vagrant_init.rb").first
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else
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file = Gem.searcher.matching_files(spec, "vagrant_init.rb").first
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end
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next if !file
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logger.info("Loading plugin: #{spec.name} (#{spec.version})")
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@@plugins << spec
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load file
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end
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logger.info("Loaded #{@@plugins.length} plugins.")
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end
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end
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# Returns the array of plugins which are currently loaded by
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# Vagrant.
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#
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# @return [Array]
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def self.plugins; @@plugins; end
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end
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end
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