casa-deb:/home/rogerio/Desktop# sh gm-restore_database.sh /home/rogerio/Desktop/backup-gnumed_v9-GNUmed_Team-casa-deb-2008-10-15-21-19-03-data_only.tar
==> Trying to restore a GNUmed backup ...
file: /home/rogerio/Desktop/backup-gnumed_v9-GNUmed_Team-casa-deb-2008-10-15-21-19-03-data_only.tar
==> Reading configuration ...
==> Setting up workspace ... /root/gnumed/gm-restore-2008-10-27-22-55-01/
==> Creating copy of backup file ... `/home/rogerio/Desktop/backup-gnumed_v9-GNUmed_Team-casa-deb-2008-10-15-21-19-03-data_only.tar' -> `/root/gnumed/gm-restore-2008-10-27-22-55-01/backup-gnumed_v9-GNUmed_Team-casa-deb-2008-10-15-21-19-03-data_only.tar'
You will now be shown the roles backup file.
Please edit it to only include the roles you need for GNUmed.
Remember that in PostgreSQL scripts the comment marker is "--".
Press <ENTER> to continue.
head: não foi possível abrir `backup-gnumed_v9-GNUmed_Team-casa-deb-2008-10-15-21-19-03-data_only-database.sql' para leitura: Arquivo ou diretório não encontrado
==> Checking for existence of target database ... ERROR: Backup does not create target database. Aborting. ----------------------------------
What are these "roles" and what should I type in the editor it opens???