func setupDataDir(dataDir string) error {
gid, err := group.LookupGid("rkt")
if err != nil {
return err
}
if err := createDirStructure(dataDir, gid); err != nil {
return err
}
casDbPath := filepath.Join(dataDir, "cas", "db")
if err := setCasDbFilesPermissions(casDbPath, gid, casDbPerm); err != nil {
return err
}
if err := createDbFiles(casDbPath, gid, casDbPerm); err != nil {
return err
}
return nil
}
// LookupGid reads the group file and returns the gid of the group
// specified by groupName.
func LookupGid(groupName string) (gid int, err error) {
return group.LookupGid(groupName)
}