Use existing instances for LineEditor and Config

1 files changed, 3 insertions, 0 deletions

diff --git a/lib/reline.rb b/lib/reline.rb
index 656fab2fea..df2b620448 100644
--- a/lib/reline.rb
+++ b/lib/reline.rb
@@ -46,10 +46,13 @@ module Reline
     end
 
     def push(*val)
+      diff = size + val.size - @@config.history_size
+      shift(diff) if diff > 0
       super(*(val.map{ |v| String.new(v, encoding: Encoding::default_external) }))
     end
 
     def <<(val)
+      shift if size + 1 > @@config.history_size
       super(String.new(val, encoding: Encoding::default_external))
     end