make sure variable is not nil

computate · Oct 9, 2018 · da6c456 · da6c456
1 parent 3a9ec79
commit da6c456
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
@@ -127,8 +127,8 @@ def commit_is_tagged?
 end
 
 def commit_tags
-  e = ENV['BETY_GIT_TAGS'].dup
-  ref_names = e.nil? || e.empty? ? `git log --pretty=format:"%d" -1` : e
+  e = ENV['BETY_GIT_TAGS']
+  ref_names = e.nil? || e.empty? ? `git log --pretty=format:"%d" -1` : e.dup
   if /tag/.match(ref_names).nil?
     return ""
   end