vagrant/plugins/commands/plugin/action/install_gem.rb

94 lines
3.1 KiB
Ruby

require "rubygems"
require "rubygems/dependency_installer"
begin
require "rubygems/format"
rescue LoadError
# rubygems 2.x
end
require "log4r"
require "vagrant/plugin/manager"
module VagrantPlugins
module CommandPlugin
module Action
# This action takes the `:plugin_name` variable in the environment
# and installs it using the RubyGems API.
class InstallGem
def initialize(app, env)
@app = app
@logger = Log4r::Logger.new("vagrant::plugins::plugincommand::installgem")
end
def call(env)
entrypoint = env[:plugin_entry_point]
plugin_name = env[:plugin_name]
version = env[:plugin_version]
# Determine the plugin name we'll look for in the installed set
# in order to determine the version and all that.
find_plugin_name = plugin_name
if plugin_name =~ /\.gem$/
# If we're installing from a gem file, determine the name
# based on the spec in the file.
pkg = if defined?(Gem::Format)
# RubyGems 1.x
Gem::Format.from_file_by_path(plugin_name)
else
# RubyGems 2.x
Gem::Package.new(plugin_name)
end
find_plugin_name = pkg.spec.name
version = pkg.spec.version
end
# Install the gem
plugin_name_label = plugin_name
plugin_name_label += " --version '#{version}'" if version
env[:ui].info(I18n.t("vagrant.commands.plugin.installing",
:name => plugin_name_label))
# TODO: support version, pre-release, custom sources
manager = Vagrant::Plugin::Manager.instance
plugin_spec = manager.install_plugin(
plugin_name, version: version, require: entrypoint)
# Tell the user
env[:ui].success(I18n.t("vagrant.commands.plugin.installed",
:name => plugin_spec.name,
:version => plugin_spec.version.to_s))
# If the plugin's spec includes a post-install message display it
post_install_message = plugin_spec.post_install_message
if post_install_message
if post_install_message.is_a?(Array)
post_install_message = post_install_message.join(" ")
end
env[:ui].info(I18n.t("vagrant.commands.plugin.post_install",
:name => plugin_spec.name,
:message => post_install_message.to_s))
end
# Continue
@app.call(env)
end
def recover(env)
# If any error happens, we uninstall it and remove it from
# the state file. We can only do this if we successfully installed
# the gem in the first place.
if @installed_plugin_name
new_env = env.dup
new_env.delete(:interrupted)
new_env[:plugin_name] = @installed_plugin_name
new_env[:action_runner].run(Action.action_uninstall, new_env)
end
end
end
end
end
end