Migrate force push check to Gitaly

GITALY_SERVER_VERSION

-0.29.0
+0.30.0

Gemfile

@@ -402,7 +402,7 @@ group :ed25519 do
 end
 
 # Gitaly GRPC client
-gem 'gitaly', '~> 0.26.0'
+gem 'gitaly', '~> 0.27.0'
 
 gem 'toml-rb', '~> 0.3.15', require: false
 

Gemfile.lock

@@ -270,7 +270,7 @@ GEM
       po_to_json (>= 1.0.0)
       rails (>= 3.2.0)
     gherkin-ruby (0.3.2)
-    gitaly (0.26.0)
+    gitaly (0.27.0)
       google-protobuf (~> 3.1)
       grpc (~> 1.0)
     github-linguist (4.7.6)
@@ -983,7 +983,7 @@ DEPENDENCIES
   gettext (~> 3.2.2)
   gettext_i18n_rails (~> 1.8.0)
   gettext_i18n_rails_js (~> 1.2.0)
-  gitaly (~> 0.26.0)
+  gitaly (~> 0.27.0)
   github-linguist (~> 4.7.0)
   gitlab-flowdock-git-hook (~> 1.0.1)
   gitlab-markup (~> 1.5.1)

lib/gitlab/checks/force_push.rb

@@ -5,12 +5,19 @@ module Gitlab
         return false if project.empty_repo?
 
         # Created or deleted branch
-        if Gitlab::Git.blank_ref?(oldrev) || Gitlab::Git.blank_ref?(newrev)
-          false
-        else
-          Gitlab::Git::RevList.new(
-            path_to_repo: project.repository.path_to_repo,
-            oldrev: oldrev, newrev: newrev).missed_ref.present?
+        return false if Gitlab::Git.blank_ref?(oldrev) || Gitlab::Git.blank_ref?(newrev)
+
+        GitalyClient.migrate(:force_push) do |is_enabled|
+          if is_enabled
+            !project
+              .repository
+              .gitaly_commit_client
+              .is_ancestor(oldrev, newrev)
+          else
+            Gitlab::Git::RevList.new(
+              path_to_repo: project.repository.path_to_repo,
+              oldrev: oldrev, newrev: newrev).missed_ref.present?
+          end
         end
       end
     end

lib/gitlab/gitaly_client/util.rb

@@ -5,7 +5,9 @@ module Gitlab
         def repository(repository_storage, relative_path)
           Gitaly::Repository.new(
             storage_name: repository_storage,
-            relative_path: relative_path
+            relative_path: relative_path,
+            git_object_directory: Gitlab::Git::Env['GIT_OBJECT_DIRECTORY'].to_s,
+            git_alternate_object_directories: Array.wrap(Gitlab::Git::Env['GIT_ALTERNATE_OBJECT_DIRECTORIES'])
           )
         end
       end

spec/lib/gitlab/checks/force_push_spec.rb

@@ -3,7 +3,7 @@ require 'spec_helper'
 describe Gitlab::Checks::ForcePush do
   let(:project) { create(:project, :repository) }
 
-  context "exit code checking" do
+  context "exit code checking", skip_gitaly_mock: true do
     it "does not raise a runtime error if the `popen` call to git returns a zero exit code" do
       allow(Gitlab::Popen).to receive(:popen).and_return(['normal output', 0])
 

spec/lib/gitlab/workhorse_spec.rb

@@ -217,7 +217,9 @@ describe Gitlab::Workhorse do
       it 'includes a Repository param' do
         repo_param = { Repository: {
           storage_name: 'default',
-          relative_path: project.full_path + '.git'
+          relative_path: project.full_path + '.git',
+          git_object_directory: '',
+          git_alternate_object_directories: []
         } }
 
         expect(subject).to include(repo_param)