293 lines
9.2 KiB
Ruby
293 lines
9.2 KiB
Ruby
# frozen_string_literal: true
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require 'fileutils'
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require 'spec_helper'
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RSpec.describe GitGarbageCollectWorker do
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include GitHelpers
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let(:project) { create(:project, :repository) }
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let(:shell) { Gitlab::Shell.new }
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let!(:lease_uuid) { SecureRandom.uuid }
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let!(:lease_key) { "project_housekeeping:#{project.id}" }
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let(:params) { [project.id, task, lease_key, lease_uuid] }
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subject { described_class.new }
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shared_examples 'it calls Gitaly' do
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specify do
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expect_any_instance_of(Gitlab::GitalyClient::RepositoryService).to receive(gitaly_task)
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.and_return(nil)
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subject.perform(*params)
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end
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end
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shared_examples 'it updates the project statistics' do
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specify do
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expect_any_instance_of(Projects::UpdateStatisticsService).to receive(:execute).and_call_original
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expect(Projects::UpdateStatisticsService)
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.to receive(:new)
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.with(project, nil, statistics: [:repository_size, :lfs_objects_size])
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.and_call_original
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subject.perform(*params)
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end
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end
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describe "#perform" do
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let(:gitaly_task) { :garbage_collect }
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let(:task) { :gc }
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context 'with active lease_uuid' do
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before do
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allow(subject).to receive(:get_lease_uuid).and_return(lease_uuid)
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end
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it_behaves_like 'it calls Gitaly'
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it_behaves_like 'it updates the project statistics'
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it "flushes ref caches when the task if 'gc'" do
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expect(subject).to receive(:renew_lease).with(lease_key, lease_uuid).and_call_original
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expect_any_instance_of(Repository).to receive(:after_create_branch).and_call_original
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expect_any_instance_of(Repository).to receive(:branch_names).and_call_original
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expect_any_instance_of(Repository).to receive(:has_visible_content?).and_call_original
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expect_any_instance_of(Gitlab::Git::Repository).to receive(:has_visible_content?).and_call_original
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subject.perform(*params)
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end
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it 'handles gRPC errors' do
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expect_any_instance_of(Gitlab::GitalyClient::RepositoryService).to receive(:garbage_collect).and_raise(GRPC::NotFound)
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expect { subject.perform(*params) }.to raise_exception(Gitlab::Git::Repository::NoRepository)
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end
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end
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context 'with different lease than the active one' do
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before do
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allow(subject).to receive(:get_lease_uuid).and_return(SecureRandom.uuid)
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end
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it 'returns silently' do
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expect_any_instance_of(Repository).not_to receive(:after_create_branch).and_call_original
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expect_any_instance_of(Repository).not_to receive(:branch_names).and_call_original
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expect_any_instance_of(Repository).not_to receive(:has_visible_content?).and_call_original
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subject.perform(*params)
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end
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end
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context 'with no active lease' do
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let(:params) { [project.id] }
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before do
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allow(subject).to receive(:get_lease_uuid).and_return(false)
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end
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context 'when is able to get the lease' do
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before do
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allow(subject).to receive(:try_obtain_lease).and_return(SecureRandom.uuid)
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end
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it_behaves_like 'it calls Gitaly'
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it_behaves_like 'it updates the project statistics'
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it "flushes ref caches when the task if 'gc'" do
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expect_any_instance_of(Repository).to receive(:after_create_branch).and_call_original
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expect_any_instance_of(Repository).to receive(:branch_names).and_call_original
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expect_any_instance_of(Repository).to receive(:has_visible_content?).and_call_original
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expect_any_instance_of(Gitlab::Git::Repository).to receive(:has_visible_content?).and_call_original
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subject.perform(*params)
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end
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context 'when the repository has joined a pool' do
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let!(:pool) { create(:pool_repository, :ready) }
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let(:project) { pool.source_project }
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it 'ensures the repositories are linked' do
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expect_any_instance_of(PoolRepository).to receive(:link_repository).once
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subject.perform(*params)
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end
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end
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end
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context 'when no lease can be obtained' do
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before do
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expect(subject).to receive(:try_obtain_lease).and_return(false)
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end
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it 'returns silently' do
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expect(subject).not_to receive(:command)
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expect_any_instance_of(Repository).not_to receive(:after_create_branch).and_call_original
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expect_any_instance_of(Repository).not_to receive(:branch_names).and_call_original
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expect_any_instance_of(Repository).not_to receive(:has_visible_content?).and_call_original
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subject.perform(*params)
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end
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end
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end
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context "repack_full" do
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let(:task) { :full_repack }
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let(:gitaly_task) { :repack_full }
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before do
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expect(subject).to receive(:get_lease_uuid).and_return(lease_uuid)
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end
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it_behaves_like 'it calls Gitaly'
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it_behaves_like 'it updates the project statistics'
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end
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context "pack_refs" do
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let(:task) { :pack_refs }
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let(:gitaly_task) { :pack_refs }
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before do
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expect(subject).to receive(:get_lease_uuid).and_return(lease_uuid)
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end
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it "calls Gitaly" do
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expect_any_instance_of(Gitlab::GitalyClient::RefService).to receive(task)
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.and_return(nil)
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subject.perform(*params)
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end
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it 'does not update the project statistics' do
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expect(Projects::UpdateStatisticsService).not_to receive(:new)
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subject.perform(*params)
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end
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end
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context "repack_incremental" do
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let(:task) { :incremental_repack }
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let(:gitaly_task) { :repack_incremental }
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before do
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expect(subject).to receive(:get_lease_uuid).and_return(lease_uuid)
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end
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it_behaves_like 'it calls Gitaly'
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it_behaves_like 'it updates the project statistics'
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end
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shared_examples 'gc tasks' do
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before do
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allow(subject).to receive(:get_lease_uuid).and_return(lease_uuid)
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allow(subject).to receive(:bitmaps_enabled?).and_return(bitmaps_enabled)
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end
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it 'incremental repack adds a new packfile' do
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create_objects(project)
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before_packs = packs(project)
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expect(before_packs.count).to be >= 1
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subject.perform(project.id, 'incremental_repack', lease_key, lease_uuid)
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after_packs = packs(project)
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# Exactly one new pack should have been created
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expect(after_packs.count).to eq(before_packs.count + 1)
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# Previously existing packs are still around
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expect(before_packs & after_packs).to eq(before_packs)
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end
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it 'full repack consolidates into 1 packfile' do
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create_objects(project)
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subject.perform(project.id, 'incremental_repack', lease_key, lease_uuid)
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before_packs = packs(project)
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expect(before_packs.count).to be >= 2
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subject.perform(project.id, 'full_repack', lease_key, lease_uuid)
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after_packs = packs(project)
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expect(after_packs.count).to eq(1)
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# Previously existing packs should be gone now
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expect(after_packs - before_packs).to eq(after_packs)
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expect(File.exist?(bitmap_path(after_packs.first))).to eq(bitmaps_enabled)
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end
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it 'gc consolidates into 1 packfile and updates packed-refs' do
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create_objects(project)
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before_packs = packs(project)
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before_packed_refs = packed_refs(project)
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expect(before_packs.count).to be >= 1
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subject.perform(project.id, 'gc', lease_key, lease_uuid)
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after_packed_refs = packed_refs(project)
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after_packs = packs(project)
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expect(after_packs.count).to eq(1)
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# Previously existing packs should be gone now
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expect(after_packs - before_packs).to eq(after_packs)
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# The packed-refs file should have been updated during 'git gc'
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expect(before_packed_refs).not_to eq(after_packed_refs)
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expect(File.exist?(bitmap_path(after_packs.first))).to eq(bitmaps_enabled)
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end
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it 'cleans up repository after finishing' do
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expect_any_instance_of(Project).to receive(:cleanup).and_call_original
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subject.perform(project.id, 'gc', lease_key, lease_uuid)
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end
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end
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context 'with bitmaps enabled' do
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let(:bitmaps_enabled) { true }
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include_examples 'gc tasks'
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end
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context 'with bitmaps disabled' do
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let(:bitmaps_enabled) { false }
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include_examples 'gc tasks'
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end
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end
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# Create a new commit on a random new branch
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def create_objects(project)
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rugged = rugged_repo(project.repository)
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old_commit = rugged.branches.first.target
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new_commit_sha = Rugged::Commit.create(
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rugged,
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message: "hello world #{SecureRandom.hex(6)}",
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author: { email: 'foo@bar', name: 'baz' },
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committer: { email: 'foo@bar', name: 'baz' },
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tree: old_commit.tree,
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parents: [old_commit]
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)
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rugged.references.create("refs/heads/#{SecureRandom.hex(6)}", new_commit_sha)
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end
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def packs(project)
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Gitlab::GitalyClient::StorageSettings.allow_disk_access do
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Dir["#{project.repository.path_to_repo}/objects/pack/*.pack"]
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end
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end
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def packed_refs(project)
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path = "#{project.repository.path_to_repo}/packed-refs"
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FileUtils.touch(path)
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File.read(path)
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end
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def bitmap_path(pack)
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pack.sub(/\.pack\z/, '.bitmap')
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end
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end
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