Merge remote-tracking branch 'origin/master'

README.md

@@ -91,8 +91,9 @@ If you want to set keys without environment, than set it via options when you ru
 ### How-To 
 
 ##### Tutorials: 
-- [Longren Tutorial](https://longren.io/automate-making-snapshots-of-your-digitalocean-droplets/)
-- [Arun Kumar Tutorial](http://www.ashout.com/automate-digital-ocean-droplet-snaphot/)
+- [Automate Taking Snapshots of Your DigitalOcean Droplets with DOSnapshot
+, Tyler Longren](https://longren.io/automate-making-snapshots-of-your-digitalocean-droplets/)
+- [How to Automate Taking Digital Ocean Droplet Snaphot with DoSnapShot Script, Arun Kumar](http://www.ashout.com/automate-digital-ocean-droplet-snaphot/)
 
 Here we `keeping` only 5 **latest** snapshots and cleanup older after new one is created. If creation of snapshots failed no one will be deleted. By default we keeping `10` droplets.
 
@@ -194,7 +195,6 @@ Support this project and others by [merqlove](https://gratipay.com/~merqlove/) v
 ## Dependencies:
 
 - [Thor](https://github.com/erikhuda/thor) for CLI.
-- [Digitalocean](https://github.com/scottmotte/digitalocean) for API V1 requests.
 - [Barge](https://github.com/blom/barge) for API V2 requests.
 - [Pony](https://github.com/benprew/pony) for mail notifications.
 

lib/do_snapshot/adapter/digitalocean_v2.rb

@@ -95,7 +95,7 @@ def cleanup_snapshots(instance, size)
       def check_keys
         logger.debug 'Checking DigitalOcean Access Token.'
         %w( DIGITAL_OCEAN_ACCESS_TOKEN ).each do |key|
-          fail DoSnapshot::NoTokenError, "You must have #{key} in environment or set it via options." if ENV[key].blank?
+          fail DoSnapshot::NoTokenError, "You must have #{key} in environment or set it via options." if ENV[key].nil? || ENV[key].empty?
         end
       end