On 5/31/05, Binand Sethumadhavan <[EMAIL PROTECTED]> wrote:
> But that adds on an unnecessary dependency. To take my specific
> example again, the cups package is fully functional with or without
> samba. But when samba is installed, cups can provide additional
> printer options to the administrator. It sounds like overkill to me to
> make cups dependent on samba for this, though.
It can be achieved without the pre-depends. The postinst script of
samba will have a conditional block that checks to see if cups is
installed and do the needful only if cups is present.
If cups contains a binary, say /usr/sbin/add-cups-backend and samba's
postinst is going to use this to add the cups samba backend. This can
be achieved in two different ways:
[1]
if [ -x /usr/sbin/add-cups-backend ];
then
# add samba backend to cups
fi
[2] Use predepends. You are right in saying that having samba depend
on cups being preinstalled is overkill. However, there are valid cases
where predepends is required. Take the case of a package called
cups-pdf (PDF printer for CUPS). It predepends on cupsys (the main
cups package).
Thaths
--
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