[arch-general] Location of the pacman database

[Nowaker]

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>> At this point /var/lib/pacman/local defines the current state of
>> /usr. It's not "variable" - you write to /var/lib/pacman/local if
>> and only if you write to /usr. The description of /usr on wiki
>> perfectly describes why /var/lib/pacman/local really belongs
>> there:

> So, files in (now) /usr/lib/pacman/local contain filelists of
> packages, yes? If you wipe /var, lots of packages will have missing
> files...

Good point. I just did `pacman -Ql |grep -F ' /var'` to see how many
files there are. 99.7% of them are directories only, though. Are
tmpfiles.d supposed to create directories in /var too? Docs mention
using tmpfiles.d to init /tmp or /run, not /var though. But I guess
stateless systemd would always provide tmpfiles for that.

>> - move /var/lib/pacman/local/ to /usr - move the default
>> pacman.conf and mirrorlist to /usr/share - provide tmpfiles.d to
>> copy those files to /etc

> What about pacman keyring? Also note that your custom keys should
> be packaged as well and resigned on-boot.

I wasn't aware of that. I only refer to what the OP requested and that
didn't sound complicated at all. Now it does.

>> If I'm not mistaken, /usr/share and tmpfiles.d are really trivial
>> and wouldn't affect users in any way. That'd be a few additional
>> files somewhere in the filesystem without any effect on existing
>> machines. Or I'm wrong?

> This is madness. I remember sometime ago there was a witchhunt
> against daemons that write to /etc (cups is the worst offender). So
> why is it OK for systemd to do so? I personally don't want systemd
> to come anywhere near my /etc. Please package the
> tmpfiles.d/sysusers stuff with virtkick or whatever, but not with 
> pacman.

Please note I'm not a huge fan of systemd. I'd rather Arch hadn't
married systemd back then. But since it has already happened, many
parts of Arch make use of systemd (e.g. netctl), there are several
systemd contributors amongst Arch Linux developers, it'd be good to
make use of various systemd features. As long as they are not costly
to implement, of course. And this "factory reset" feature indeed seems
to be costly.

- -- 
Kind regards,
Damian Nowak
StratusHost
www.AtlasHost.eu
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