Your post looks a bit messed because of the editor formatting, but I think you got it.
First grep repos-4.0 for the right rpm file name to remove
then remove package by rpm command as root, since we need to keep deps in system, otherwise with dnf remove all repos will go
then clean the cache
finally run the upgrade command whose output will be written in a file in your home.
Note: the above is my own procedure. May be worth of a try.
It never gave me any problem. YMMV
Post-edit: Since you have already started go ahead and finish updates exactly as @rugyada described. That is an excellent procedure for testers. (I’ll be adopting that myself.)
No, If you just installed Beta you can not have 1,315 updates. Something is wrong. Also on the Beta ISO Discover is not used for updating. If you are clicking on the system tray update icon and it opens Discover something is completely wrong.
The updater in use on the Beta is called:
plasma-pk-updates.x86_64 : Plasma applet for system updates using PackageKit
Post-edit: The Beta x86_64 ISO can be identified at the very top line of the Grub2 menu where it will say:
Welcome to OpenMandriva Lx 4.0 x86_64 plasma BUILD ID: 2416
The “BUILD ID: 2416” is the key identifier of all OM ISO’s. You need to verify that on the ISO you installed from. Also do checksums match. Good testing procedure for ISO’s means we always verify checksums of any new download. (Yes, even if downloaded and checked previous, if you download again, check it again, always.)
This is old enough to be closed now. If there are any issues or anything to report otherwise (we can hope!) please open a separate thread or if it is a real problem open a bug report.
We have to enforce the concept of:
One issue = one thread
We also have to get users to open bug reports if they believe they have a bug. Developers want bug reports for real bugs not forum threads.