prevent calls on nil

2017-01-11 17:13:34 +01:00
parent 254e8c65d1
commit 17f0f6fa9f
1 changed files with 1 additions and 1 deletions
--- a/lib/docker_client.rb
+++ b/lib/docker_client.rb
@ -325,7 +325,7 @@ class DockerClient
  end

  def self.image_tags
-    Docker::Image.all.map { |image| image.info['RepoTags'] }.flatten.reject { |tag| tag.include?('<none>') }
+    Docker::Image.all.map { |image| image.info['RepoTags'] }.flatten.reject { |tag| tag.present? && tag.include?('<none>') }
  end

  def initialize(options = {})