Include plugin repair command

plugins/commands/plugin/action.rb

@@ -27,6 +27,13 @@ module VagrantPlugins
         end
       end
 
+      # This middleware sequence will repair installed plugins.
+      def self.action_repair
+        Vagrant::Action::Builder.new.tap do |b|
+          b.use RepairPlugins
+        end
+      end
+
       # This middleware sequence will uninstall a plugin.
       def self.action_uninstall
         Vagrant::Action::Builder.new.tap do |b|
@@ -48,6 +55,7 @@ module VagrantPlugins
       autoload :LicensePlugin, action_root.join("license_plugin")
       autoload :ListPlugins, action_root.join("list_plugins")
       autoload :PluginExistsCheck, action_root.join("plugin_exists_check")
+      autoload :RepairPlugins, action_root.join("repair_plugins")
       autoload :UninstallPlugin, action_root.join("uninstall_plugin")
       autoload :UpdateGems, action_root.join("update_gems")
     end

plugins/commands/plugin/action/repair_plugins.rb

@@ -0,0 +1,31 @@
+require "vagrant/plugin/manager"
+
+module VagrantPlugins
+  module CommandPlugin
+    module Action
+      # This middleware attempts to repair installed plugins.
+      #
+      # In general, if plugins are failing to properly load the
+      # core issue will likely be one of two issues:
+      #   1. manual modifications within ~/.vagrant.d/
+      #   2. vagrant upgrade
+      # Running an install on configured plugin set will most
+      # likely fix these issues, which is all this action does.
+      class RepairPlugins
+        def initialize(app, env)
+          @app = app
+        end
+
+        def call(env)
+          env[:ui].info(I18n.t("vagrant.commands.plugin.repairing"))
+          plugins = Vagrant::Plugin::Manager.instance.installed_plugins
+          Vagrant::Bundler.instance.init!(plugins, :repair)
+          env[:ui].info(I18n.t("vagrant.commands.plugin.repair_complete"))
+
+          # Continue
+          @app.call(env)
+        end
+      end
+    end
+  end
+end

plugins/commands/plugin/command/repair.rb

@@ -0,0 +1,28 @@
+require 'optparse'
+
+require_relative "base"
+
+module VagrantPlugins
+  module CommandPlugin
+    module Command
+      class Repair < Base
+        def execute
+          opts = OptionParser.new do |o|
+            o.banner = "Usage: vagrant plugin repair [-h]"
+          end
+
+          # Parse the options
+          argv = parse_options(opts)
+          return if !argv
+          raise Vagrant::Errors::CLIInvalidUsage, help: opts.help.chomp if argv.length > 0
+
+          # Attempt to repair installed plugins
+          action(Action.action_repair)
+
+          # Success, exit status 0
+          0
+        end
+      end
+    end
+  end
+end

plugins/commands/plugin/command/root.rb

@@ -29,6 +29,11 @@ module VagrantPlugins
             List
           end
 
+          @subcommands.register(:repair) do
+            require_relative "repair"
+            Repair
+          end
+
           @subcommands.register(:update) do
             require_relative "update"
             Update

templates/locales/en.yml

@@ -1601,6 +1601,14 @@ en:
         post_install: |-
           Post install message from the '%{name}' plugin:
 
+          %{message}
+        repairing: |-
+          Repairing currently installed plugins. This may take a few minutes...
+        repair_complete: |-
+          Installed plugins successfully repaired!
+        repair_failed: |-
+          Failed to automatically repair installed Vagrant plugins. Failure message:
+
           %{message}
       snapshot:
         not_supported: |-