lib/foreman/export/base.rb in foreman-0.84.0 vs lib/foreman/export/base.rb in foreman-0.85.0

@@ -133,10 +133,14 @@
       File.read(matchers.detect { |m| File.exists?(m) })
     end
   end
 
   def write_template(name, target, binding)
-    compiled = ERB.new(export_template(name), nil, '-').result(binding)
+    compiled = if ERB.instance_method(:initialize).parameters.assoc(:key) # Ruby 2.6+
+                 ERB.new(export_template(name), trim_mode: '-').result(binding)
+               else
+                 ERB.new(export_template(name), nil, '-').result(binding)
+               end
     write_file target, compiled
   end
 
   def chmod(mode, file)
     say "setting #{file} to mode #{mode}"