int cmd_list(int argc, char *argv[])
{
storage_t storage;
const char *elem;
if (argc != 2)
{
int help_argc = 2;
char *help_argv[] = { "help_err", "list", NULL };
return cmd_help(help_argc, help_argv);
}
if ((storage = storage_new(argv[1], 0)) == NULL)
errx(EXIT_FAILURE, "unable to open storage: %s", argv[1]);
elem = storage_list(storage, "backups");
while (elem != NULL)
{
printf("%s\n", elem);
elem = storage_list(storage, NULL);
}
storage_delete(storage);
return EXIT_SUCCESS;
}
int cmd_purge(int argc, char *argv[])
{
storage_t storage;
strset_t backups;
strset_t objects;
const char *elem;
struct mark_backup_args args;
if (argc != 2)
{
int help_argc = 2;
char *help_argv[] = { "help_err", "purge", NULL };
return cmd_help_err(help_argc, help_argv);
}
if ((storage = storage_new(argv[1], false, true)) == NULL)
logger(LOG_ERROR, "unable to open storage: %s", argv[1]);
if (!storage_lock(storage, true, options_get()->force))
logger(LOG_ERROR, "backup directory locked, use -f to force operation");
backups = strset_new();
objects = strset_new();
/* Get the list of backups. */
elem = storage_list(storage, "backups");
while (elem != NULL)
{
strset_add(backups, elem);
elem = storage_list(storage, NULL);
}
/* Get the list of objects. */
elem = storage_list(storage, "objects");
while (elem != NULL)
{
strset_add(objects, elem);
elem = storage_list(storage, NULL);
}
/*
** For each backup, call mark_backup, which will mark all the objects of a
** backup as used (it will actually remove them from the `objects` strset.
*/
args.objects = objects;
args.storage = storage;
strset_foreach(backups, mark_backup, &args);
/* Delete every object remaining in the `objects` strset. */
strset_foreach(objects, delete_object, (void *) storage);
strset_delete(backups);
strset_delete(objects);
storage_unlock(storage);
storage_delete(storage);
return EXIT_SUCCESS;
}
