refactor code and spec

lib/backup/repository.rb

@@ -7,7 +7,7 @@ module Backup
       prepare
 
       Project.find_each(batch_size: 1000) do |project|
-        $progress.print " * #{project.path_with_namespace} ... "
+        progress.print " * #{project.path_with_namespace} ... "
         path_to_project_repo = path_to_repo(project)
         path_to_project_bundle = path_to_bundle(project)
 
@@ -15,7 +15,7 @@ module Backup
         FileUtils.mkdir_p(File.join(backup_repos_path, project.namespace.full_path)) if project.namespace
 
         if empty_repo?(project)
-          $progress.puts "[SKIPPED]".color(:cyan)
+          progress.puts "[SKIPPED]".color(:cyan)
         else
           in_path(path_to_project_repo) do |dir|
             FileUtils.mkdir_p(path_to_tars(project))
@@ -31,7 +31,7 @@ module Backup
           output, status = Gitlab::Popen.popen(cmd)
 
           if status.zero?
-            $progress.puts "[DONE]".color(:green)
+            progress.puts "[DONE]".color(:green)
           else
             progress_warn(project, cmd.join(' '), output)
           end
@@ -42,14 +42,14 @@ module Backup
         path_to_wiki_bundle = path_to_bundle(wiki)
 
         if File.exist?(path_to_wiki_repo)
-          $progress.print " * #{wiki.path_with_namespace} ... "
+          progress.print " * #{wiki.path_with_namespace} ... "
           if empty_wiki_repo?(wiki)
-            $progress.puts " [SKIPPED]".color(:cyan)
+            progress.puts " [SKIPPED]".color(:cyan)
           else
             cmd = %W(#{Gitlab.config.git.bin_path} --git-dir=#{path_to_wiki_repo} bundle create #{path_to_wiki_bundle} --all)
             output, status = Gitlab::Popen.popen(cmd)
             if status.zero?
-              $progress.puts " [DONE]".color(:green)
+              progress.puts " [DONE]".color(:green)
             else
               progress_warn(wiki, cmd.join(' '), output)
             end
@@ -71,7 +71,7 @@ module Backup
       end
 
       Project.find_each(batch_size: 1000) do |project|
-        $progress.print " * #{project.path_with_namespace} ... "
+        progress.print " * #{project.path_with_namespace} ... "
         path_to_project_repo = path_to_repo(project)
         path_to_project_bundle = path_to_bundle(project)
 
@@ -85,7 +85,7 @@ module Backup
 
         output, status = Gitlab::Popen.popen(cmd)
         if status.zero?
-          $progress.puts "[DONE]".color(:green)
+          progress.puts "[DONE]".color(:green)
         else
           progress_warn(project, cmd.join(' '), output)
         end
@@ -104,7 +104,7 @@ module Backup
         path_to_wiki_bundle = path_to_bundle(wiki)
 
         if File.exist?(path_to_wiki_bundle)
-          $progress.print " * #{wiki.path_with_namespace} ... "
+          progress.print " * #{wiki.path_with_namespace} ... "
 
           # If a wiki bundle exists, first remove the empty repo
           # that was initialized with ProjectWiki.new() and then
@@ -114,19 +114,19 @@ module Backup
 
           output, status = Gitlab::Popen.popen(cmd)
           if status.zero?
-            $progress.puts " [DONE]".color(:green)
+            progress.puts " [DONE]".color(:green)
           else
             progress_warn(project, cmd.join(' '), output)
           end
         end
       end
 
-      $progress.print 'Put GitLab hooks in repositories dirs'.color(:yellow)
+      progress.print 'Put GitLab hooks in repositories dirs'.color(:yellow)
       cmd = %W(#{Gitlab.config.gitlab_shell.path}/bin/create-hooks) + repository_storage_paths_args
 
       output, status = Gitlab::Popen.popen(cmd)
       if status.zero?
-        $progress.puts " [DONE]".color(:green)
+        progress.puts " [DONE]".color(:green)
       else
         puts " [FAILED]".color(:red)
         puts "failed: #{cmd}"
@@ -184,22 +184,14 @@ module Backup
     private
 
     def progress_warn(project, cmd, output)
-      $progress.puts "[WARNING] Executing #{cmd}".color(:orange)
-      $progress.puts "Ignoring error on #{project.path_with_namespace} - #{output}".color(:orange)
+      progress.puts "[WARNING] Executing #{cmd}".color(:orange)
+      progress.puts "Ignoring error on #{project.path_with_namespace} - #{output}".color(:orange)
     end
 
-    def empty_repo?(project)
-      project.empty_repo?
+    def empty_repo?(project_or_wiki)
+      project_or_wiki.repository.empty_repo?
     rescue => e
-      $progress.puts "Ignoring error on #{project.full_path} repository - #{e.message}".color(:orange)
-
-      false
-    end
-
-    def empty_wiki_repo?(wiki)
-      wiki.repository.empty?
-    rescue => e
-      $progress.puts "Ignoring error on #{wiki.path_with_namespace} repository - #{e.message}".color(:orange)
+      progress.puts "Ignoring repository error and continuing backing up project: #{project_or_wiki.path_with_namespace} - #{e.message}".color(:orange)
 
       false
     end
@@ -207,5 +199,9 @@ module Backup
     def repository_storage_paths_args
       Gitlab.config.repositories.storages.values.map { |rs| rs['path'] }
     end
+
+    def progress
+      progress
+    end
   end
 end

spec/lib/gitlab/backup/repository_spec.rb

@@ -12,18 +12,13 @@ describe Backup::Repository, lib: true do
       string
     end
 
-    @old_progress = $progress # rubocop:disable Style/GlobalVars
-    $progress = progress # rubocop:disable Style/GlobalVars
-  end
-
-  after do
-    $progress = @old_progress # rubocop:disable Style/GlobalVars
+    allow_any_instance_of(described_class).to receive(:progress).and_return(progress)
   end
 
   describe '#dump' do
     describe 'repo failure' do
       before do
-        allow_any_instance_of(Project).to receive(:empty_repo?).and_raise(Rugged::OdbError)
+        allow_any_instance_of(Repository).to receive(:empty_repo?).and_raise(Rugged::OdbError)
         allow(Gitlab::Popen).to receive(:popen).and_return(['normal output', 0])
       end
 
@@ -34,13 +29,13 @@ describe Backup::Repository, lib: true do
       it 'shows the appropriate error' do
         described_class.new.dump
 
-        expect(progress).to have_received(:puts).with("Ignoring error on #{project.full_path} repository - Rugged::OdbError")
+        expect(progress).to have_received(:puts).with("Ignoring repository error and continuing backing up project: #{project.full_path} - Rugged::OdbError")
       end
     end
 
     describe 'command failure' do
       before do
-        allow_any_instance_of(Project).to receive(:empty_repo?).and_return(false)
+        allow_any_instance_of(Repository).to receive(:empty_repo?).and_return(false)
         allow(Gitlab::Popen).to receive(:popen).and_return(['error', 1])
       end