review: normalize shared initizlier arguments

lib/gitlab/import_export/shared.rb

 module Gitlab
   module ImportExport
     class Shared
-      attr_reader :errors, :project
+      attr_reader :errors, :project, :opts
 
-      def initialize(project)
+      def initialize(project, opts = {})
         @project = project
+        @opts = opts
         @errors = []
       end
 
@@ -39,10 +40,10 @@ module Gitlab
       end
 
       def relative_archive_path
-        if @project.is_a?(Project)
-          @project.disk_path
+        if @opts[:relative_path]
+          @opts[:relative_path]
         else
-          @project[:relative_path]
+          @project.disk_path
         end
       end
 

spec/lib/gitlab/import_export/avatar_restorer_spec.rb

@@ -3,7 +3,7 @@ require 'spec_helper'
 describe Gitlab::ImportExport::AvatarRestorer do
   include UploadHelpers
 
-  let(:shared) { Gitlab::ImportExport::Shared.new(relative_path: 'test') }
+  let(:shared) { Gitlab::ImportExport::Shared.new(project) }
   let(:project) { create(:project) }
 
   before do

spec/lib/gitlab/import_export/avatar_saver_spec.rb

 require 'spec_helper'
 
 describe Gitlab::ImportExport::AvatarSaver do
-  let(:shared) { Gitlab::ImportExport::Shared.new(relative_path: 'test') }
+  let(:shared) { Gitlab::ImportExport::Shared.new(project) }
   let(:export_path) { "#{Dir.tmpdir}/project_tree_saver_spec" }
   let(:project_with_avatar) { create(:project, avatar: fixture_file_upload(Rails.root + "spec/fixtures/dk.png", "image/png")) }
   let(:project) { create(:project) }

spec/lib/gitlab/import_export/file_importer_spec.rb

 require 'spec_helper'
 
 describe Gitlab::ImportExport::FileImporter do
-  let(:shared) { Gitlab::ImportExport::Shared.new(relative_path: 'test') }
+  let(:shared) { Gitlab::ImportExport::Shared.new(nil, relative_path: 'test') }
   let(:export_path) { "#{Dir.tmpdir}/file_importer_spec" }
   let(:valid_file) { "#{shared.export_path}/valid.json" }
   let(:symlink_file) { "#{shared.export_path}/invalid.json" }

spec/lib/gitlab/import_export/fork_spec.rb

@@ -7,7 +7,7 @@ describe 'forked project import' do
   let!(:project_with_repo) { create(:project, :repository, name: 'test-repo-restorer', path: 'test-repo-restorer') }
   let!(:project) { create(:project, name: 'test-repo-restorer-no-repo', path: 'test-repo-restorer-no-repo') }
   let(:export_path) { "#{Dir.tmpdir}/project_tree_saver_spec" }
-  let(:shared) { Gitlab::ImportExport::Shared.new(relative_path: project.full_path) }
+  let(:shared) { Gitlab::ImportExport::Shared.new(project) }
   let(:forked_from_project) { create(:project, :repository) }
   let(:forked_project) { fork_project(project_with_repo, nil, repository: true) }
   let(:repo_saver) { Gitlab::ImportExport::RepoSaver.new(project: project_with_repo, shared: shared) }

spec/lib/gitlab/import_export/project_tree_restorer_spec.rb

@@ -7,7 +7,7 @@ describe Gitlab::ImportExport::ProjectTreeRestorer do
       @user = create(:user)
 
       RSpec::Mocks.with_temporary_scope do
-        @shared = Gitlab::ImportExport::Shared.new(relative_path: "", project_path: 'path')
+        @shared = Gitlab::ImportExport::Shared.new(@project)
         allow(@shared).to receive(:export_path).and_return('spec/lib/gitlab/import_export/')
         @project = create(:project, :builds_disabled, :issues_disabled, name: 'project', path: 'project')
 

spec/lib/gitlab/import_export/project_tree_saver_spec.rb

@@ -2,7 +2,7 @@ require 'spec_helper'
 
 describe Gitlab::ImportExport::ProjectTreeSaver do
   describe 'saves the project tree into a json object' do
-    let(:shared) { Gitlab::ImportExport::Shared.new(relative_path: project.full_path) }
+    let(:shared) { Gitlab::ImportExport::Shared.new(project) }
     let(:project_tree_saver) { described_class.new(project: project, current_user: user, shared: shared) }
     let(:export_path) { "#{Dir.tmpdir}/project_tree_saver_spec" }
     let(:user) { create(:user) }

spec/lib/gitlab/import_export/reader_spec.rb

 require 'spec_helper'
 
 describe Gitlab::ImportExport::Reader  do
-  let(:shared) { Gitlab::ImportExport::Shared.new(relative_path: '') }
+  let(:shared) { Gitlab::ImportExport::Shared.new(nil) }
   let(:test_config) { 'spec/support/import_export/import_export.yml' }
   let(:project_tree_hash) do
     {

spec/lib/gitlab/import_export/repo_restorer_spec.rb

@@ -6,7 +6,7 @@ describe Gitlab::ImportExport::RepoRestorer do
     let!(:project_with_repo) { create(:project, :repository, name: 'test-repo-restorer', path: 'test-repo-restorer') }
     let!(:project) { create(:project) }
     let(:export_path) { "#{Dir.tmpdir}/project_tree_saver_spec" }
-    let(:shared) { Gitlab::ImportExport::Shared.new(relative_path: project.full_path) }
+    let(:shared) { Gitlab::ImportExport::Shared.new(project) }
     let(:bundler) { Gitlab::ImportExport::RepoSaver.new(project: project_with_repo, shared: shared) }
     let(:bundle_path) { File.join(shared.export_path, Gitlab::ImportExport.project_bundle_filename) }
     let(:restorer) do

spec/lib/gitlab/import_export/repo_saver_spec.rb

@@ -5,7 +5,7 @@ describe Gitlab::ImportExport::RepoSaver do
     let(:user) { create(:user) }
     let!(:project) { create(:project, :public, name: 'searchable_project') }
     let(:export_path) { "#{Dir.tmpdir}/project_tree_saver_spec" }
-    let(:shared) { Gitlab::ImportExport::Shared.new(relative_path: project.full_path) }
+    let(:shared) { Gitlab::ImportExport::Shared.new(project) }
     let(:bundler) { described_class.new(project: project, shared: shared) }
 
     before do

spec/lib/gitlab/import_export/uploads_restorer_spec.rb

@@ -3,7 +3,7 @@ require 'spec_helper'
 describe Gitlab::ImportExport::UploadsRestorer do
   describe 'bundle a project Git repo' do
     let(:export_path) { "#{Dir.tmpdir}/uploads_saver_spec" }
-    let(:shared) { Gitlab::ImportExport::Shared.new(relative_path: project.full_path) }
+    let(:shared) { Gitlab::ImportExport::Shared.new(project) }
 
     before do
       allow_any_instance_of(Gitlab::ImportExport).to receive(:storage_path).and_return(export_path)

spec/lib/gitlab/import_export/uploads_saver_spec.rb

@@ -4,7 +4,7 @@ describe Gitlab::ImportExport::UploadsSaver do
   describe 'bundle a project Git repo' do
     let(:export_path) { "#{Dir.tmpdir}/uploads_saver_spec" }
     let(:file) { fixture_file_upload(Rails.root + 'spec/fixtures/banana_sample.gif', 'image/gif') }
-    let(:shared) { Gitlab::ImportExport::Shared.new(relative_path: project.full_path) }
+    let(:shared) { Gitlab::ImportExport::Shared.new(project) }
 
     before do
       allow_any_instance_of(Gitlab::ImportExport).to receive(:storage_path).and_return(export_path)

spec/lib/gitlab/import_export/version_checker_spec.rb

@@ -2,7 +2,7 @@ require 'spec_helper'
 include ImportExport::CommonUtil
 
 describe Gitlab::ImportExport::VersionChecker do
-  let(:shared) { Gitlab::ImportExport::Shared.new(relative_path: '') }
+  let(:shared) { Gitlab::ImportExport::Shared.new(nil, relative_path: '') }
 
   describe 'bundle a project Git repo' do
     let(:version) { Gitlab::ImportExport.version }

spec/lib/gitlab/import_export/wiki_repo_saver_spec.rb

@@ -5,7 +5,7 @@ describe Gitlab::ImportExport::WikiRepoSaver do
     let(:user) { create(:user) }
     let!(:project) { create(:project, :public, name: 'searchable_project') }
     let(:export_path) { "#{Dir.tmpdir}/project_tree_saver_spec" }
-    let(:shared) { Gitlab::ImportExport::Shared.new(relative_path: project.full_path) }
+    let(:shared) { Gitlab::ImportExport::Shared.new(project) }
     let(:wiki_bundler) { described_class.new(project: project, shared: shared) }
     let!(:project_wiki) { ProjectWiki.new(project, user) }
 

spec/lib/gitlab/import_export/wiki_restorer_spec.rb

@@ -6,7 +6,7 @@ describe Gitlab::ImportExport::WikiRestorer do
     let!(:project_without_wiki) { create(:project) }
     let!(:project) { create(:project) }
     let(:export_path) { "#{Dir.tmpdir}/project_tree_saver_spec" }
-    let(:shared) { Gitlab::ImportExport::Shared.new(relative_path: project.full_path) }
+    let(:shared) { Gitlab::ImportExport::Shared.new(project) }
     let(:bundler) { Gitlab::ImportExport::WikiRepoSaver.new(project: project_with_wiki, shared: shared) }
     let(:bundle_path) { File.join(shared.export_path, Gitlab::ImportExport.project_bundle_filename) }
     let(:restorer) do