Make search and message RPC's mandatory

lib/gitlab/git/commit.rb

@@ -323,13 +323,7 @@ module Gitlab
         end
         def get_messages(repository, commit_ids)
-          repository.gitaly_migrate(:commit_messages) do |is_enabled|
-            if is_enabled
-              repository.gitaly_commit_client.get_commit_messages(commit_ids)
-            else
-              commit_ids.map { |id| [id, rugged_find(repository, id).message] }.to_h
-            end
-          end
+          repository.gitaly_commit_client.get_commit_messages(commit_ids)
         end
       end

lib/gitlab/git/repository.rb

@@ -1316,16 +1316,7 @@ module Gitlab
         safe_query = Regexp.escape(query)
         ref ||= root_ref
-        gitaly_migrate(:search_files_by_content) do |is_enabled|
-          if is_enabled
-            gitaly_repository_client.search_files_by_content(ref, safe_query)
-          else
-            offset = 2
-            args = %W(grep -i -I -n -z --before-context #{offset} --after-context #{offset} -E -e #{safe_query} #{ref})
-
-            run_git(args).first.scrub.split(/^--\n/)
-          end
-        end
+        gitaly_repository_client.search_files_by_content(ref, safe_query)
       end
       def can_be_merged?(source_sha, target_branch)
@@ -1342,15 +1333,7 @@ module Gitlab
         return [] if empty? || safe_query.blank?
-        gitaly_migrate(:search_files_by_name) do |is_enabled|
-          if is_enabled
-            gitaly_repository_client.search_files_by_name(ref, safe_query)
-          else
-            args = %W(ls-tree -r --name-status --full-tree #{ref} -- #{safe_query})
-
-            run_git(args).first.lines.map(&:strip)
-          end
-        end
+        gitaly_repository_client.search_files_by_name(ref, safe_query)
       end
       def find_commits_by_message(query, ref, path, limit, offset)

lib/gitlab/git/tag.rb

@@ -28,18 +28,7 @@ module Gitlab
         end
         def get_messages(repository, tag_ids)
-          repository.gitaly_migrate(:tag_messages) do |is_enabled|
-            if is_enabled
-              repository.gitaly_ref_client.get_tag_messages(tag_ids)
-            else
-              tag_ids.map do |id|
-                tag = repository.rugged.lookup(id)
-                message = tag.is_a?(Rugged::Commit) ? "" : tag.message
-
-                [id, message]
-              end.to_h
-            end
-          end
+          repository.gitaly_ref_client.get_tag_messages(tag_ids)
         end
       end

spec/models/repository_spec.rb

@@ -664,7 +664,7 @@ describe Repository do
     end
   end
-  shared_examples "search_files_by_content" do
+  describe "search_files_by_content" do
     let(:results) { repository.search_files_by_content('feature', 'master') }
     subject { results }
@@ -711,7 +711,7 @@ describe Repository do
     end
   end
-  shared_examples "search_files_by_name" do
+  describe "search_files_by_name" do
     let(:results) { repository.search_files_by_name('files', 'master') }
     it 'returns result' do
@@ -751,16 +751,6 @@ describe Repository do
     end
   end
-  describe 'with gitaly enabled' do
-    it_behaves_like 'search_files_by_content'
-    it_behaves_like 'search_files_by_name'
-  end
-
-  describe 'with gitaly disabled', :disable_gitaly do
-    it_behaves_like 'search_files_by_content'
-    it_behaves_like 'search_files_by_name'
-  end
-
   describe '#async_remove_remote' do
     before do
       masterrev = repository.find_branch('master').dereferenced_target