setup: problems with local install

[Jon Turney]

On 06/03/2018 15:18, Jon Turney wrote:
> So yeah, I guess putting some complexity back in accessible() would 
> work, or perhaps the attached?  (This doesn't do the right thing for a 
> few packages, for reasons I'm still looking into...)

To be specific it was doing the wrong thing for those few packages with 
no source

>   /* scan for local copies of package */
> -void
> +bool
>   packagemeta::scan (const packageversion &pkg, bool mirror_mode)
>   {
> -  /* Already have something */
> +  /* empty version */
>     if (!pkg)
> -    return;
> +    return true;

So, this needs to be 'return false', as the empty version is always 
inaccessible, to get the same behaviour as before.