Remove more feature flags

lib/gitlab/git/commit_stats.rb

-# Gitaly note: JV: 1 RPC, migration in progress.
-
 # Gitlab::Git::CommitStats counts the additions, deletions, and total changes
 # in a commit.
 module Gitlab
@@ -16,12 +14,8 @@ module Gitlab
         @deletions = 0
         @total = 0
 
-        repo.gitaly_migrate(:commit_stats) do |is_enabled|
-          if is_enabled
+        repo.wrapped_gitaly_errors do
           gitaly_stats(repo, commit)
-          else
-            rugged_stats(commit)
-          end
         end
       end
 
@@ -31,12 +25,6 @@ module Gitlab
         @deletions = stats.deletions
         @total = @additions + @deletions
       end
-
-      def rugged_stats(commit)
-        diff = commit.rugged_diff_from_parent
-        _files_changed, @additions, @deletions = diff.stat
-        @total = @additions + @deletions
-      end
     end
   end
 end

lib/gitlab/git/repository.rb

@@ -251,7 +251,6 @@ module Gitlab
 
       # Returns an Array of Tags
       #
-      # Gitaly migration: https://gitlab.com/gitlab-org/gitaly/issues/390
       def tags
         wrapped_gitaly_errors do
           gitaly_ref_client.tags
@@ -602,17 +601,9 @@ module Gitlab
       #   @repository.submodule_url_for('master', 'rack')
       #   # => git@localhost:rack.git
       #
-      # Gitaly migration: https://gitlab.com/gitlab-org/gitaly/issues/329
       def submodule_url_for(ref, path)
-        Gitlab::GitalyClient.migrate(:submodule_url_for) do |is_enabled|
-          if is_enabled
+        wrapped_gitaly_errors do
           gitaly_submodule_url_for(ref, path)
-          else
-            if submodules(ref).any?
-              submodule = submodules(ref)[path]
-              submodule['url'] if submodule
-            end
-          end
         end
       end
 
@@ -837,22 +828,14 @@ module Gitlab
       # Ex.
       #   repo.ls_files('master')
       #
-      # Gitaly migration: https://gitlab.com/gitlab-org/gitaly/issues/327
       def ls_files(ref)
         gitaly_commit_client.ls_files(ref)
       end
 
-      # Gitaly migration: https://gitlab.com/gitlab-org/gitaly/issues/328
       def copy_gitattributes(ref)
-        Gitlab::GitalyClient.migrate(:apply_gitattributes) do |is_enabled|
-          if is_enabled
-            gitaly_copy_gitattributes(ref)
-          else
-            rugged_copy_gitattributes(ref)
-          end
+        wrapped_gitaly_errors do
+          gitaly_repository_client.apply_gitattributes(ref)
         end
-      rescue GRPC::InvalidArgument
-        raise InvalidRef
       end
 
       def info_attributes

lib/gitlab/git/tree.rb

-# Gitaly note: JV: needs 1 RPC, migration is in progress.
-
 module Gitlab
   module Git
     class Tree
@@ -17,12 +15,8 @@ module Gitlab
         def where(repository, sha, path = nil, recursive = false)
           path = nil if path == '' || path == '/'
 
-          Gitlab::GitalyClient.migrate(:tree_entries) do |is_enabled|
-            if is_enabled
+          repository.wrapped_gitaly_errors do
             repository.gitaly_commit_client.tree_entries(repository, sha, path, recursive)
-            else
-              tree_entries_from_rugged(repository, sha, path, recursive)
-            end
           end
         end
 

lib/gitlab/gitaly_client/repository_service.rb

@@ -48,6 +48,8 @@ module Gitlab
       def apply_gitattributes(revision)
         request = Gitaly::ApplyGitattributesRequest.new(repository: @gitaly_repo, revision: encode_binary(revision))
         GitalyClient.call(@storage, :repository_service, :apply_gitattributes, request)
+      rescue GRPC::InvalidArgument => ex
+        raise Gitlab::Git::Repository::InvalidRef, ex
       end
 
       def info_attributes

spec/lib/gitlab/git/repository_spec.rb

@@ -1402,7 +1402,6 @@ describe Gitlab::Git::Repository, seed_helper: true do
   end
 
   describe "#copy_gitattributes" do
-    shared_examples 'applying git attributes' do
     let(:attributes_path) { File.join(SEED_STORAGE_PATH, TEST_REPO_PATH, 'info/attributes') }
 
     after do
@@ -1484,15 +1483,6 @@ describe Gitlab::Git::Repository, seed_helper: true do
     end
   end
 
-    context 'when gitaly is enabled' do
-      it_behaves_like 'applying git attributes'
-    end
-
-    context 'when gitaly is disabled', :disable_gitaly do
-      it_behaves_like 'applying git attributes'
-    end
-  end
-
   describe '#ref_exists?' do
     shared_examples 'checks the existence of refs' do
       it 'returns true for an existing tag' do