Prevent warning about redefinition

JonRowe · JonRowe · commit ca1f95b507e2 · 2019-10-19T18:53:03.000+01:00
diff --git a/Gemfile b/Gemfile
@@ -1,6 +1,6 @@
 source "https://rubygems.org"
 version_file = File.expand_path("../.rails-version", __FILE__)
-RAILS_VERSION = ENV['RAILS_VERSION'] || (File.exist?(version_file) && File.read(version_file).chomp)
+RAILS_VERSION = ENV['RAILS_VERSION'] || (File.exist?(version_file) && File.read(version_file).chomp) || ""
 
 gemspec
 
