Alt Linux installation problems

Reproduced on fstek-staging

Trying to follow the docs: https://picodata.io/download/#altlinux

[picoadm@fstek-staging ~]$ curl -L https://download.binary.picodata.io/tarantool-picodata/install.sh | bash
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  4728  100  4728    0     0   129k      0 --:--:-- --:--:-- --:--:--  131k
Error: root permissions required!

Run: bash [-h] [-n]
    -h  - help, this screen
    -n  - use nightly repo

[picoadm@fstek-staging ~]$ curl -L https://download.binary.picodata.io/tarantool-picodata/install.sh | sudo bash
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  4728  100  4728    0     0   146k      0 --:--:-- --:--:-- --:--:--  148k
OS_FAMILY=altlinux VER=8.4 NIGHTLY=1
---
Error: Version of this OS is not supported

Run: bash [-h] [-n]
    -h  - help, this screen
    -n  - use nightly repo

[picoadm@fstek-staging ~]$ lsb_release -a
LSB Version:	4.0:core-3.0-amd64:core-3.0-noarch:core-4.0-amd64:core-4.0-noarch
Distributor ID:	ALT
Description:	ALT 8 SP Server (cliff)
Release:	8
Codename:	cliff

[picoadm@fstek-staging ~]$ cat /etc/os-release 
NAME="ALT SPServer"
VERSION="8.4"
ID=altlinux
VERSION_ID=8.4
PRETTY_NAME="ALT 8 SP Server (cliff)"
ANSI_COLOR="1;33"
CPE_NAME="cpe:/o:alt:spserver:8.4"
HOME_URL="https://basealt.ru/"
BUG_REPORT_URL="https://bugs.altlinux.org/"