Revert 3b7862c8e88cd7838a53ec083ac5733386400956 causing various CI hangs

and dependent commits c67934b1c3b40dda5f170b032423e520511c68dd and
f0d1dc5cee87dfb023cb43a2db9bcdef5a8dee8f.

RubyCI and ci.rvm.jp are almost dead by timeout since this commit.

---

Revert "Skip a reline test hanging on Wercker since 3b7862c8e8"

This reverts commit f0d1dc5cee87dfb023cb43a2db9bcdef5a8dee8f.

Revert "Remove extra items because Reline::HISTORY is a sized queue"

This reverts commit c67934b1c3b40dda5f170b032423e520511c68dd.

Revert "Use existing instances for LineEditor and Config"

This reverts commit 3b7862c8e88cd7838a53ec083ac5733386400956.

1 files changed, 0 insertions, 17 deletions

diff --git a/lib/reline.rb b/lib/reline.rb
index 8e7d4ff016..656fab2fea 100644
--- a/lib/reline.rb
+++ b/lib/reline.rb
@@ -45,28 +45,11 @@ module Reline
       super(index, String.new(val, encoding: Encoding::default_external))
     end
 
-    def concat(*val)
-      val.each do |v|
-        push(*v)
-      end
-    end
-
     def push(*val)
-      diff = size + val.size - @@config.history_size
-      if diff > 0
-        if diff <= size
-          shift(diff)
-        else
-          diff -= size
-          clear
-          val.shift(diff)
-        end
-      end
       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