116 lines
4.1 KiB
Ruby
116 lines
4.1 KiB
Ruby
require "rubygems"
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require "rubygems/dependency_installer"
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begin
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require "rubygems/format"
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rescue LoadError
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# rubygems 2.x
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end
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require "log4r"
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module VagrantPlugins
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module CommandPlugin
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module Action
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# This action takes the `:plugin_name` variable in the environment
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# and installs it using the RubyGems API.
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class InstallGem
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def initialize(app, env)
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@app = app
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@logger = Log4r::Logger.new("vagrant::plugins::plugincommand::installgem")
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end
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def call(env)
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plugin_name = env[:plugin_name]
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prerelease = env[:plugin_prerelease]
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version = env[:plugin_version]
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# Determine the plugin name we'll look for in the installed set
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# in order to determine the version and all that.
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find_plugin_name = plugin_name
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if plugin_name =~ /\.gem$/
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# If we're installing from a gem file, determine the name
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# based on the spec in the file.
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pkg = if defined?(Gem::Format)
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Gem::Format.from_file_by_path(plugin_name)
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else
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Gem::Package.new(plugin_name)
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end
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find_plugin_name = pkg.spec.name
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version = pkg.spec.version
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end
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# Install the gem
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plugin_name_label = plugin_name
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plugin_name_label += ' --prerelease' if prerelease
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plugin_name_label += " --version '#{version}'" if version
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env[:ui].info(I18n.t("vagrant.commands.plugin.installing",
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:name => plugin_name_label))
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installed_gems = env[:gem_helper].with_environment do
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# Override the list of sources by the ones set as a parameter if given
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if env[:plugin_sources]
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@logger.info("Custom plugin sources: #{env[:plugin_sources]}")
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Gem.sources = env[:plugin_sources]
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end
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installer = Gem::DependencyInstaller.new(:document => [], :prerelease => prerelease)
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begin
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installer.install(plugin_name, version)
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rescue Gem::GemNotFoundException
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raise Vagrant::Errors::PluginInstallNotFound,
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:name => plugin_name
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end
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end
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# The plugin spec is the last installed gem since RubyGems
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# currently always installed the requested gem last.
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@logger.debug("Installed #{installed_gems.length} gems.")
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plugin_spec = installed_gems.find do |gem|
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gem.name.downcase == find_plugin_name.downcase
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end
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# Store the installed name so we can uninstall it if things go
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# wrong.
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@installed_plugin_name = plugin_spec.name
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# Mark that we installed the gem
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@logger.info("Adding the plugin to the state file...")
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env[:plugin_state_file].add_plugin(plugin_spec.name)
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# Tell the user
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env[:ui].success(I18n.t("vagrant.commands.plugin.installed",
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:name => plugin_spec.name,
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:version => plugin_spec.version.to_s))
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# If the plugin's spec includes a post-install message display it
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post_install_message = plugin_spec.post_install_message
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if post_install_message
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if post_install_message.is_a?(Array)
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post_install_message = post_install_message.join(" ")
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end
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env[:ui].info(I18n.t("vagrant.commands.plugin.post_install",
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:name => plugin_spec.name,
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:message => post_install_message.to_s))
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end
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# Continue
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@app.call(env)
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end
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def recover(env)
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# If any error happens, we uninstall it and remove it from
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# the state file. We can only do this if we successfully installed
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# the gem in the first place.
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if @installed_plugin_name
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new_env = env.dup
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new_env.delete(:interrupted)
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new_env[:plugin_name] = @installed_plugin_name
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new_env[:action_runner].run(Action.action_uninstall, new_env)
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end
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end
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end
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end
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end
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end
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