[gentoo-dev] rfc: empty directories in ${D}

[William Hubbs]

All,

I just happened to notice the following warning from portage when
bumping dhcpcd.

> One or more empty directories installed to /var:

>  /var/lib/dhcpcd

> If those directories need to be preserved, please make sure to create
> or mark them for keeping using 'keepdir'. Future versions of Portage
> will strip empty directories from installation image.

If we are going to require emptty  directories to be marked with
keepdir, I think we should hard fail the emerge rather than quietly
strip the empty directories. If we just strip the directories, this
will, more than likely, lead to broken packages. In the case of dhcpcd,
the upstream build system installs the /var/lib/dhcpcd directory, then
dhcpcd writes to the directory.

Thanks,

William