Merge branch 'zj-lfs-pointers' into 'master'

LFS changes are detected by Gitaly

Closes gitaly#935

See merge request gitlab-org/gitlab-ce!19995

lib/gitlab/git/lfs_changes.rb

@@ -7,67 +7,11 @@ module Gitlab
       end
 
       def new_pointers(object_limit: nil, not_in: nil)
-        @repository.gitaly_migrate(:blob_get_new_lfs_pointers) do |is_enabled|
-          if is_enabled
-            @repository.gitaly_blob_client.get_new_lfs_pointers(@newrev, object_limit, not_in)
-          else
-            git_new_pointers(object_limit, not_in)
-          end
-        end
+        @repository.gitaly_blob_client.get_new_lfs_pointers(@newrev, object_limit, not_in)
       end
 
       def all_pointers
-        @repository.gitaly_migrate(:blob_get_all_lfs_pointers) do |is_enabled|
-          if is_enabled
-            @repository.gitaly_blob_client.get_all_lfs_pointers(@newrev)
-          else
-            git_all_pointers
-          end
-        end
-      end
-
-      private
-
-      def git_new_pointers(object_limit, not_in)
-        @new_pointers ||= begin
-          rev_list.new_objects(rev_list_params(not_in: not_in)) do |object_ids|
-            object_ids = object_ids.take(object_limit) if object_limit
-
-            Gitlab::Git::Blob.batch_lfs_pointers(@repository, object_ids)
-          end
-        end
-      end
-
-      def git_all_pointers
-        params = {}
-        if rev_list_supports_new_options?
-          params[:options] = ["--filter=blob:limit=#{Gitlab::Git::Blob::LFS_POINTER_MAX_SIZE}"]
-        end
-
-        rev_list.all_objects(rev_list_params(params)) do |object_ids|
-          Gitlab::Git::Blob.batch_lfs_pointers(@repository, object_ids)
-        end
-      end
-
-      def rev_list
-        Gitlab::Git::RevList.new(@repository, newrev: @newrev)
-      end
-
-      # We're passing the `--in-commit-order` arg to ensure we don't wait
-      # for git to traverse all commits before returning pointers.
-      # This is required in order to improve the performance of LFS integrity check
-      def rev_list_params(params = {})
-        params[:options] ||= []
-        params[:options] << "--in-commit-order" if rev_list_supports_new_options?
-        params[:require_path] = true
-
-        params
-      end
-
-      def rev_list_supports_new_options?
-        return @option_supported if defined?(@option_supported)
-
-        @option_supported = Gitlab::Git.version >= Gitlab::VersionInfo.parse('2.16.0')
+        @repository.gitaly_blob_client.get_all_lfs_pointers(@newrev)
       end
     end
   end

spec/lib/gitlab/git/lfs_changes_spec.rb

@@ -1,50 +1,19 @@
 require 'spec_helper'
 
 describe Gitlab::Git::LfsChanges do
-  let(:project) { create(:project, :repository) }
+  set(:project) { create(:project, :repository) }
   let(:newrev) { '54fcc214b94e78d7a41a9a8fe6d87a5e59500e51' }
   let(:blob_object_id) { '0c304a93cb8430108629bbbcaa27db3343299bc0' }
 
   subject { described_class.new(project.repository, newrev) }
 
   describe '#new_pointers' do
-    shared_examples 'new pointers' do
-      it 'filters new objects to find lfs pointers' do
-        expect(subject.new_pointers(not_in: []).first.id).to eq(blob_object_id)
-      end
-
-      it 'limits new_objects using object_limit' do
-        expect(subject.new_pointers(object_limit: 1)).to eq([])
-      end
+    it 'filters new objects to find lfs pointers' do
+      expect(subject.new_pointers(not_in: []).first.id).to eq(blob_object_id)
     end
 
-    context 'with gitaly enabled' do
-      it_behaves_like 'new pointers'
-    end
-
-    context 'with gitaly disabled', :skip_gitaly_mock do
-      it_behaves_like 'new pointers'
-
-      it 'uses rev-list to find new objects' do
-        rev_list = double
-        allow(Gitlab::Git::RevList).to receive(:new).and_return(rev_list)
-
-        expect(rev_list).to receive(:new_objects).and_return([])
-
-        subject.new_pointers
-      end
-    end
-  end
-
-  describe '#all_pointers', :skip_gitaly_mock do
-    it 'uses rev-list to find all objects' do
-      rev_list = double
-      allow(Gitlab::Git::RevList).to receive(:new).and_return(rev_list)
-      allow(rev_list).to receive(:all_objects).and_yield([blob_object_id])
-
-      expect(Gitlab::Git::Blob).to receive(:batch_lfs_pointers).with(project.repository, [blob_object_id])
-
-      subject.all_pointers
+    it 'limits new_objects using object_limit' do
+      expect(subject.new_pointers(object_limit: 1)).to eq([])
     end
   end
 end