Merge pull request #209 from mikz/patch-1

Fix Docker::Image.create when `m` is nil
upserve · Dec 3, 2014 · 807d6de · 807d6de
2 parents 5ce86d1 + 468db74
commit 807d6de
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/lib/docker/image.rb b/lib/docker/image.rb
@@ -100,8 +100,9 @@ def create(opts = {}, creds = nil, conn = Docker.connection)
       headers = !credentials.nil? && Docker::Util.build_auth_header(credentials)
       headers ||= {}
       body = conn.post('/images/create', opts, :headers => headers)
-      id = Docker::Util.fix_json(body).select { |m| m['id'] }.last['id']
-      new(conn, 'id' => id, :headers => headers)
+      json = Docker::Util.fix_json(body)
+      image = json.reverse_each.find { |el| el && el.key?('id') }
+      new(conn, 'id' => image && image.fetch('id'), :headers => headers)
     end
 
     # Return a specific image.