[PATCH 2/3] scripts: Use ftpmirror in build-many-glibcs.py

[Yury Khrustalev]

On Fri, Nov 14, 2025 at 09:59:44AM -0500, Carlos O'Donell wrote:
> ...
> Please keep in mind that this was not a blocking request.
> 
> I'm happy to approve your patches as-is.
>

I've sent v2 with a bit simpler changes: use env var to override FTP
mirror URL. I hope it is better for consensus.

I also decided not to change Git URLs from git:// to https:// since
this is a somewhat orthogonal change and could probably be done in
another patch.

Thanks,
Yury