[OpenWrt-Devel] opkg upgrade all

[Michal Hrusecky]

Luiz Angelo Daros de Luca -  5:57 30.03.16 wrote:
> Just like any Linux distribution, it is recommended to not mix a kernel
> from a different release with runtime from another release. However, if
> there is no incompatibility between them, you are free to do as you want.
> The more distance each kernel is, the more likely to have
> incompatibilities.
> 
> OpenWRT, although, is not developed with upgrade in mind. So, packages that
> are renamed will be kept at the old version, and new package will not be
> installed if not required by an existing package. You might get a mix of
> kernel, old and new packages at the end. If, by chance, they are all
> compatible, it will work nicely.
> 
> You'll need to mix old and new repos as any new kernel module must come
> from the old repo. I don't know how well opkg deal with this.
> 
> Besides that, there is the extra space used. I guess jffs2 is also worse in
> performance and compression.
> 
> It is just no good reason to do an upgrade and not a reflash. If you and
> the packages are doing the backup correctly, you just need to reinstall all
> extra packages after the new system is installed.

Yep, I understand all those. My question was whether upgrade all is disabled
just because of this ideological stuff and in hope that users wouldn't find and
try one of the posts I linked or whether there is anything really broken.

> Em qua, 30 de mar de 2016 02:30, Michal Hrusecky <Michal.Hrusecky at nic.cz>
> escreveu:
> 
> > Luiz Angelo Daros de Luca -  1:41 30.03.16 wrote:
> > > Michal,
> > >
> > > Google is your friend ;-)
> >
> > He pretends he is, but didn't provided the answer I was looking for, just
> > plenty of workarounds I mentioned ;-)
> >
> > > But I'll easy your search
> > > https://wiki.openwrt.org/doc/techref/opkg
> > >
> > > Check the upgrade description.
> >
> > Reread and the only thing that is mentioned there is general discourage to
> > do
> > upgrades and be careful what you are doing and that there are generally no
> > updates available apart from trunk and that opkg will not upgrade kernel.
> > No
> > technical problem and no specific issue with upgrade all.
> >
> > > Regards
> > >
> > > Em ter, 29 de mar de 2016 às 04:45, Michal Hrusecky <
> > Michal.Hrusecky at nic.cz>
> > > escreveu:
> > >
> > > > Hi,
> > > >
> > > > there is a patch in OpenWRT that disables option to upgrade all
> > packages
> > > > and
> > > > allows upgrading only specified packages which leads to plenty of
> > answers
> > > > online how to do that[1][2][3][...] Does anybody remembers the reason
> > for
> > > > disabling it? The only thing I can think of is discouraging people from
> > > > doing
> > > > upgrades and encourage them to reflash new squashfs image as they
> > might not
> > > > have enough free space. But as you can see, people will try and do it
> > > > anyway so
> > > > it might be a good idea to let the command there as it will be probably
> > > > safer
> > > > with integrated command than with random scripts on internet. Or is
> > there
> > > > some
> > > > other reason and some real problem?
> > > >
> > > > [1] https://sandalov.org/blog/1777/
> > > > [2]
> > > >
> > https://www.codeden.net/2015/05/upgrade-all-openwrt-packages-with-a-single-line-command/
> > > > [3] http://blog.vanutsteen.nl/2014/01/12/openwrt-upgrade-all-packages/
> > > > _______________________________________________
> > > > openwrt-devel mailing list
> > > > openwrt-devel at lists.openwrt.org
> > > > https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-devel
> > > >
> > > --
> > >
> > > Luiz Angelo Daros de Luca
> > > luizluca at gmail.com
> >
> -- 
> 
> Luiz Angelo Daros de Luca
> luizluca at gmail.com
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