[FS#3299] busybox: Alternatives gets overwrited when busybox updates

[OpenWrt Bugs]

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User who did this - howl (howl) 

Attached to Project - OpenWrt/LEDE Project
Summary - busybox: Alternatives gets overwrited when busybox updates
Task Type - Bug Report
Category - Base system
Status - Unconfirmed
Assigned To - 
Operating System - All
Severity - Critical
Priority - Very Low
Reported Version - Trunk
Due in Version - Undecided
Due Date - Undecided
Details - This is device independent and I think it affects all versions but I have seen this over 19.07. If you have binary programs that conflicts with busybox ones, opkg sets them to be used instead when they are installed.

I discovered this because mwan3 got broke and investigating the error it dropped the problems seems to be that the ip binary from busybox doesn't support some features mwan3 needs. I could find that I had ip installed as is a dependency of mwan3 so I just remembered that busybox was updated recently.

Just by reinstalling ip the issue was solved.

I don't know how this could be managed, perhaps just when a package that has alternatives is installed update them and when the package is being upgraded ignore updating the alternatives.

I set this critical just because it could be very difficult to see where the problem is for many people (I surprised myself how it could take so many time to advert the real issue when I found it, it's simple, but if you don't notice busybox upgrading could be cumbersome to see), and, this could break things, like for example mwan3 or any other program that rely using alternative binaries and not the busybox ones. Of course fell free to set the severity you think could be more accurate.

More information can be found at the following URL:
https://bugs.openwrt.org/index.php?do=details&task_id=3299

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