Fossil

    tid = db_int(0, "SELECT rid FROM leaves, event"
                    " WHERE event.objid=leaves.rid"
                    " ORDER BY event.mtime DESC"); 
    if( tid==0 ) tid = vid;
  }

  if( tid==0 ){
    fossil_panic("Internal Error: unable to find a version to update to.");
    fossil_panic("unable to find a version to update to.");
  }

  db_begin_transaction();
  vfile_check_signature(vid, CKSIG_ENOTFILE);
  if( !dryRunFlag && !internalUpdate ) undo_begin();
  load_vfile_from_rid(tid);

    if( errCode<=0 ){
      fossil_fatal("file %s does not exist in checkin: %s", file, revision);
    }
  }else if( errCode<=0 ){
    if( revision==0 ){
      revision = db_text("current", "SELECT uuid FROM blob WHERE rid=%d", rid);
    }
    fossil_panic("could not parse manifest for checkin: %s", revision);
    fossil_fatal("could not parse manifest for checkin: %s", revision);
  }
  return errCode;
}


/*
** COMMAND: revert