`staticcheck` linter scolds on potential nil-dereference since it doesn't know `common.ExitOnErr` definitely exists. Explicit `return` fixes linter's remark and prevents potential bugs. Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
Read `id` flag with the storage group ID. Prevent NPE-panic if flag is missing. Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
storagegroup
Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>