Setup: How to automate source download for packages already installed?

[Bill Stewart]

On Wed, Mar 4, 2020 at 6:32 AM Jon Turney wrote:


> If a package is listed for both -x and -P, it is reinstalled, so while
> not ideal, you might be able to achieve something like what you want
> with 'setup -I -x "package1,package2,package3" -P
> "package1,package2,package3"'
>
> An option which explicitly just installs the source for a specified
> package might be useful.
>

It seems that

--local-install -x "package[,...]" -P "package[,...]"

...no longer works to automate source download for packages already
installed...

Is there another workaround? (Or did I miss something obvious?)

Thanks!

Bill