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

55 lines
1.7 KiB
Ruby

require "rubygems"
require "set"
module VagrantPlugins
module CommandPlugin
module Action
# This middleware lists all the installed plugins.
#
# This is a bit more complicated than simply listing installed
# gems or what is in the state file as installed. Instead, this
# actually compares installed gems with what the state file claims
# is installed, and outputs the appropriate truly installed
# plugins.
class ListPlugins
def initialize(app, env)
@app = app
end
def call(env)
# Get the list of installed plugins according to the state file
installed = env[:plugin_state_file].installed_plugins.keys
# Go through the plugins installed in this environment and
# get the latest version of each.
installed_map = {}
env[:gem_helper].with_environment do
Gem::Specification.find_all.each do |spec|
# Ignore specs that aren't in our installed list
next if !installed.include?(spec.name)
# If we already have a newer version in our list of installed,
# then ignore it
next if installed_map.has_key?(spec.name) &&
installed_map[spec.name].version >= spec.version
installed_map[spec.name] = spec
end
end
# Output!
if installed_map.empty?
env[:ui].info(I18n.t("vagrant.commands.plugin.no_plugins"))
else
installed_map.values.each do |spec|
env[:ui].info "#{spec.name} (#{spec.version})"
end
end
@app.call(env)
end
end
end
end
end