Revert "Cache branch and tag names as Redis sets"

This reverts commit 0eff75fa2b6691b6fba31fcc2842f51debd249a9.

1 files changed, 0 insertions, 67 deletions

diff --git a/lib/gitlab/repository_set_cache.rb b/lib/gitlab/repository_set_cache.rb
deleted file mode 100644
index fb634328a95..00000000000
--- a/lib/gitlab/repository_set_cache.rb
+++ /dev/null
@@ -1,67 +0,0 @@
-# frozen_string_literal: true
-
-# Interface to the Redis-backed cache store for keys that use a Redis set
-module Gitlab
-  class RepositorySetCache
-    attr_reader :repository, :namespace, :expires_in
-
-    def initialize(repository, extra_namespace: nil, expires_in: 2.weeks)
-      @repository = repository
-      @namespace = "#{repository.full_path}:#{repository.project.id}"
-      @namespace = "#{@namespace}:#{extra_namespace}" if extra_namespace
-      @expires_in = expires_in
-    end
-
-    def cache_key(type)
-      [type, namespace, 'set'].join(':')
-    end
-
-    def expire(key)
-      with { |redis| redis.del(cache_key(key)) }
-    end
-
-    def exist?(key)
-      with { |redis| redis.exists(cache_key(key)) }
-    end
-
-    def read(key)
-      with { |redis| redis.smembers(cache_key(key)) }
-    end
-
-    def write(key, value)
-      full_key = cache_key(key)
-
-      with do |redis|
-        redis.multi do
-          redis.del(full_key)
-
-          # Splitting into groups of 1000 prevents us from creating a too-long
-          # Redis command
-          value.in_groups_of(1000, false) { |subset| redis.sadd(full_key, subset) }
-
-          redis.expire(full_key, expires_in)
-        end
-      end
-
-      value
-    end
-
-    def fetch(key, &block)
-      if exist?(key)
-        read(key)
-      else
-        write(key, yield)
-      end
-    end
-
-    def include?(key, value)
-      with { |redis| redis.sismember(cache_key(key), value) }
-    end
-
-    private
-
-    def with(&blk)
-      Gitlab::Redis::Cache.with(&blk) # rubocop:disable CodeReuse/ActiveRecord
-    end
-  end
-end