From 7fbe8bcabc333170a778017685be35be87809eb4 Mon Sep 17 00:00:00 2001
From: Chris Roberts <croberts@hashicorp.com>
Date: Fri, 21 Jun 2019 10:57:37 -0700
Subject: [PATCH] Fix plugin discovery loading when no data directory is
 available

If the local data directory is unavailable, there will be no local
file to use within the plugin manager. Check for local file before
returning result, otherwise just return an empty hash.
---
 lib/vagrant/environment.rb            |  6 +++++-
 test/unit/vagrant/environment_test.rb | 10 +++++++++-
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/lib/vagrant/environment.rb b/lib/vagrant/environment.rb
index c7941ed27..2eb35bec9 100644
--- a/lib/vagrant/environment.rb
+++ b/lib/vagrant/environment.rb
@@ -1021,7 +1021,11 @@ module Vagrant
         ui.warn(I18n.t("vagrant.plugins.local.install_rerun_command"))
         exit(-1)
       end
-      Vagrant::Plugin::Manager.instance.local_file.installed_plugins
+      if Vagrant::Plugin::Manager.instance.local_file
+        Vagrant::Plugin::Manager.instance.local_file.installed_plugins
+      else
+        {}
+      end
     end
 
     # This method copies the private key into the home directory if it
diff --git a/test/unit/vagrant/environment_test.rb b/test/unit/vagrant/environment_test.rb
index ec517aafa..834dd418d 100644
--- a/test/unit/vagrant/environment_test.rb
+++ b/test/unit/vagrant/environment_test.rb
@@ -1561,10 +1561,18 @@ VF
       allow(plugin_manager).to receive(:load_plugins)
     end
 
+    context "when local data directory does not exist" do
+      let(:local_file) { nil }
+
+      it "should properly return empty result" do
+        expect(instance.send(:process_configured_plugins)).to be_empty
+      end
+    end
+
     context "plugins are disabled" do
       before{ allow(Vagrant).to receive(:plugins_enabled?).and_return(false) }
 
-      it "should return nil" do
+      it "should return empty result" do
         expect(instance.send(:process_configured_plugins)).to be_nil
       end
     end