Rename RPC 'Exists' to 'RepositoryExists'

lib/gitlab/gitaly_client/repository_service.rb

@@ -10,7 +10,7 @@ module Gitlab
       def exists?
         request = Gitaly::RepositoryExistsRequest.new(repository: @gitaly_repo)
 
-        GitalyClient.call(@storage, :repository_service, :exists, request).exists
+        GitalyClient.call(@storage, :repository_service, :repository_exists, request).exists
       end
 
       def garbage_collect(create_bitmap)

spec/lib/gitlab/gitaly_client/repository_service_spec.rb

-require 'spec_helper'
-
-describe Gitlab::GitalyClient::RepositoryService do
-  set(:project) { create(:project) }
-  let(:storage_name) { project.repository_storage }
-  let(:relative_path) { project.path_with_namespace + '.git' }
-  let(:client) { described_class.new(project.repository) }
-
-  describe '#exists?' do
-    it 'sends an exists message' do
-      expect_any_instance_of(Gitaly::RepositoryService::Stub)
-        .to receive(:exists)
-        .with(gitaly_request_with_path(storage_name, relative_path), kind_of(Hash))
-        .and_call_original
-
-      client.exists?
-    end
-  end
-end