From 46b300f409d142aafef0c07175f1c3c8a9353bc6 Mon Sep 17 00:00:00 2001
From: Dominik Richter <dominik.richter@gmail.com>
Date: Wed, 9 Sep 2015 12:13:13 +0200
Subject: [PATCH] finish linting backend

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
---
 lib/vulcano/backend/docker.rb | 8 ++++----
 lib/vulcano/backend/mock.rb   | 2 +-
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/lib/vulcano/backend/docker.rb b/lib/vulcano/backend/docker.rb
index e9e481976..6a7786637 100644
--- a/lib/vulcano/backend/docker.rb
+++ b/lib/vulcano/backend/docker.rb
@@ -9,9 +9,9 @@ module Vulcano::Backends
       @conf = conf
       @files = {}
       id = @conf['host'] ||
-        fail("You must specify a docker container ID.")
+           fail('You must specify a docker container ID.')
       @container = ::Docker::Container.get(id) ||
-        fail("Can't find Docker container #{id}")
+                   fail("Can't find Docker container #{id}")
     end
 
     def file(path)
@@ -23,9 +23,9 @@ module Vulcano::Backends
         '/bin/sh', '-c', cmd
       ])
       CommandResult.new(stdout.join, stderr.join, exit_status)
-    rescue ::Docker::Error::DockerError => err
+    rescue ::Docker::Error::DockerError => _
       raise
-    rescue => err
+    rescue => _
       # @TODO: differentiate any other error
       raise
     end
diff --git a/lib/vulcano/backend/mock.rb b/lib/vulcano/backend/mock.rb
index 098a24967..f6d442a11 100644
--- a/lib/vulcano/backend/mock.rb
+++ b/lib/vulcano/backend/mock.rb
@@ -1,7 +1,7 @@
 # encoding: utf-8
 
 module Vulcano::Backends
-  Struct.new("MockCommand", :stdout, :stderr, :exit_status)
+  Struct.new('MockCommand', :stdout, :stderr, :exit_status)
 
   class Mock < Vulcano.backend(1)
     name 'mock'