From eabc0f04fa0bbd0ecd85ce8022d7b9e0d8dbc8f8 Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <mitchell.hashimoto@gmail.com>
Date: Sun, 5 Jan 2014 16:57:51 -0800
Subject: [PATCH] friendly errors if a non-existent gem install is tried

---
 lib/vagrant/errors.rb         | 4 ++++
 lib/vagrant/plugin/manager.rb | 2 ++
 templates/locales/en.yml      | 3 +++
 3 files changed, 9 insertions(+)

diff --git a/lib/vagrant/errors.rb b/lib/vagrant/errors.rb
index 938b4a9ac..f78dd9b63 100644
--- a/lib/vagrant/errors.rb
+++ b/lib/vagrant/errors.rb
@@ -428,6 +428,10 @@ module Vagrant
       error_key(:plugin_gem_error)
     end
 
+    class PluginGemNotFound < VagrantError
+      error_key(:plugin_gem_not_found)
+    end
+
     class PluginInstallBadEntryPoint < VagrantError
       error_key(:plugin_install_bad_entry_point)
     end
diff --git a/lib/vagrant/plugin/manager.rb b/lib/vagrant/plugin/manager.rb
index 3986f1b79..7c67d4372 100644
--- a/lib/vagrant/plugin/manager.rb
+++ b/lib/vagrant/plugin/manager.rb
@@ -40,6 +40,8 @@ module Vagrant
         @global_file.add_plugin(result.name)
 
         result
+      rescue ::Bundler::GemNotFound
+        raise Errors::PluginGemNotFound, name: name
       end
 
       # Uninstalls the plugin with the given name.
diff --git a/templates/locales/en.yml b/templates/locales/en.yml
index 7a4679e00..c8c900375 100644
--- a/templates/locales/en.yml
+++ b/templates/locales/en.yml
@@ -474,6 +474,9 @@ en:
         manage Vagrant plugins. The output of the errors are shown below:
 
         %{output}
+      plugin_gem_not_found: |-
+        The plugin '%{name}' could not be installed because it could not
+        be found. Please double check the name and try again.
       plugin_install_bad_entry_point: |-
         Attempting to load the plugin '%{name}' failed, because
         the entry point doesn't exist. The entry point attempted was