On Tuesday, 18 July 2017 at 21:43, Colin Walters wrote:
> On Tue, Jul 18, 2017, at 02:58 PM, Chris Murphy wrote:
> 
> > > But if I've understood correctly, any changes to the base will be 
> > > discarded
> > > when you update the base image. right?
> 
> No; `rpm-ostree install` is persistent, and so are other changes like
> `rpm-ostree initramfs --enable` and so is the recently added `ex override`:
> https://github.com/projectatomic/rpm-ostree/pull/852
> 
> A bit more information about layering and live changes:
> http://www.projectatomic.io/blog/2017/06/rpm-ostree-v2017.6-released/
> 
> What Chris is talking about is `ostree admin unlock` which is *designed*
> to go away after reboot:
> https://lists.projectatomic.io/projectatomic-archives/atomic-devel/2016-March/msg00128.html
>  
> > I'm not sure what the long term plan is. Right now changes to /usr
> > (normally read only)
> 
> It's more that rpm-ostree is the *sole* tool that mutates /usr; every
> change is an atomic, interrupt-able transaction queued for the next boot
> by default (unless one invokes `ex livefs`):  Even local RPM installation:
[...]
> (How did it work if /usr stays read-only the entire time?  It's because 
> rpm-ostree knows how to go
>  "underneath" the mount, which really comes from /sysroot)
> 
> Big picture, as it says on github, rpm-ostree aims to be a full
> hybrid image/package system, also supporting both offline updates
> *and* online updates if you want that - anything that is "you can't do that"
> is a bug.

This is very cool! Is this documented somewhere public? If not, it'd
make a great Fedora Magazine article. Please write one!

Regards,
Dominik
-- 
Fedora http://fedoraproject.org/wiki/User:Rathann
RPMFusion http://rpmfusion.org
"Faith manages."
        -- Delenn to Lennier in Babylon 5:"Confessions and Lamentations"
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