support for redis-rb v5 (#137)

Author: leastbad

lib/redis-session-store.rb

@@ -40,11 +40,10 @@ class RedisSessionStore < ActionDispatch::Session::AbstractSecureStore
   def initialize(app, options = {})
     super
 
-    redis_options = options[:redis] || {}
-
     @default_options[:namespace] = 'rack:session'
-    @default_options.merge!(redis_options)
-    @redis = redis_options[:client] || Redis.new(redis_options)
+    @default_options.merge!(options[:redis] || {})
+    init_options = options[:redis]&.reject { |k, _v| %i[expire_after key_prefix].include?(k) } || {}
+    @redis = init_options[:client] || Redis.new(init_options)
     @on_redis_down = options[:on_redis_down]
     @serializer = determine_serializer(options[:serializer])
     @on_session_load_error = options[:on_session_load_error]

redis-session-store.gemspec

@@ -16,7 +16,7 @@ Gem::Specification.new do |gem|
                     .match(/^  VERSION = '(.*)'/)[1]
 
   gem.add_runtime_dependency 'actionpack', '>= 6', '< 8'
-  gem.add_runtime_dependency 'redis', '>= 3', '< 5'
+  gem.add_runtime_dependency 'redis', '>= 3', '< 6'
 
   gem.add_development_dependency 'fakeredis', '~> 0.8'
   gem.add_development_dependency 'rake', '~> 13'