[systemd-devel] [PATCH] udev hwdb: Support shipping pre-compiled database in system images

[Lennart Poettering]

On Mon, 27.10.14 16:53, Martin Pitt (martin.pitt at ubuntu.com) wrote:

> Lennart Poettering [2014-10-27 16:37 +0100]:
> > After all, moving those files away from /etc doesn't really make
> > sense on split-/usr systems anyway, as it wouldn't help monopolizing
> > vendor data in /usr really... Or at least I think the --usr stuff is
> > really about monopolizing vendor data in /usr, and if you have a
> > split-/usr system then that goal is moot anyway...
> 
> It still does make sense. On those systems, the "OS" == /bin, /sbin,
> /lib*, /usr, /boot. Except for that it's pretty much like a single
> /usr tree.

No, it's still a mess.

Anyway, please let's try to design our stuff in a way that everything
is nice and clean on systems where /usr is monopolized properly. And
other systems shall be supported, but it's not what we pick the naming
for.

> I. e. with this one can still build system images with these dirs
> being r/o, and it also avoids an architecture-specific and big binary
> file in an otherwise "config file only" /etc. (Yes, /etc/ld.so.cache
> is somewhat of an exception, but it's arch independent, text, and
> small).

/etc/ld.so.cache is not a text file. It's binary.

BTW, after the hwdb thing you probably want to do something similar
for the journal catalog database.

Lennart

-- 
Lennart Poettering, Red Hat