From 525a93edbb2e65ea94634f30153d38cf85e3fe7f Mon Sep 17 00:00:00 2001
From: Guo Xiang Tan <gxtan1990@gmail.com>
Date: Wed, 10 Jun 2020 15:29:41 +0800
Subject: [PATCH] Fix `Redis#exists?` to return boolean value for multiple key
 match.

---
 lib/redis.rb             | 4 +++-
 test/lint/value_types.rb | 4 ++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/lib/redis.rb b/lib/redis.rb
index a279bfb40..97e263fdc 100644
--- a/lib/redis.rb
+++ b/lib/redis.rb
@@ -584,7 +584,9 @@ def _exists(*keys)
   # @return [Boolean]
   def exists?(*keys)
     synchronize do |client|
-      client.call([:exists, *keys], &Boolify)
+      client.call([:exists, *keys]) do |value|
+        value > 0
+      end
     end
   end
 
diff --git a/test/lint/value_types.rb b/test/lint/value_types.rb
index 59212fed0..c2ca2552f 100644
--- a/test/lint/value_types.rb
+++ b/test/lint/value_types.rb
@@ -40,6 +40,10 @@ def test_exists?
       r.set("{1}foo", "s1")
 
       assert_equal true, r.exists?("{1}foo")
+
+      r.set("{1}bar", "s1")
+
+      assert_equal true, r.exists?("{1}foo", "{1}bar")
     end
 
     def test_type