unpack

in lib/backup/manager.rb [96:138]

• 32 lines of code
• 8 McCabe index (conditional complexity)

    def unpack
      Dir.chdir(GitlabCi.config.backup.path)

      
      file_list = Dir.glob("*_gitlab_ci_backup.tar").each.map { |f| f.split(/_/).first.to_i }
      puts "no backups found" if file_list.count == 0

      if file_list.count > 1 && ENV["BACKUP"].nil?
        puts "Found more than one backup, please specify which one you want to restore:"
        puts "rake gitlab:backup:restore BACKUP=timestamp_of_backup"
        exit 1
      end

      tar_file = ENV["BACKUP"].nil? ? File.join("#{file_list.first}_gitlab_ci_backup.tar") : File.join(ENV["BACKUP"] + "_gitlab_ci_backup.tar")

      unless File.exists?(tar_file)
        puts "The specified backup doesn't exist!"
        exit 1
      end

      $progress.print "Unpacking backup ... "

      unless Kernel.system(*%W(tar -xf 
        puts "unpacking backup failed".red
        exit 1
      else
        $progress.puts "done".green
      end

      ENV["VERSION"] = "#{settings[:db_version]}" if settings[:db_version].to_i > 0

      
      if settings[:gitlab_version] != GitlabCi::VERSION
        puts "GitLab CI version mismatch:".red
        puts "  Your current GitLab CI version (#{GitlabCi::VERSION}) differs from the GitLab CI version in the backup!".red
        puts "  Please switch to the following version and try again:".red
        puts "  version: #{settings[:gitlab_version]}".red
        puts
        puts "Hint: git checkout v#{settings[:gitlab_version]}"
        exit 1
      end
    end