Dne 27.4.2017 v 17:30 Vít Ondruch napsal(a):
Dne 26.4.2017 v 15:52 Miroslav Suchý napsal(a):
> ## Bootstrap chroot
This does not work as expected. Trying to setup RHEL6 (and 7 probably as
well) buildroot on Rawhide fails:
https://bugzilla.redhat.com/show_bug.cgi?id=1446294
the "--no-bootstrap-chroot" option or
"config_opts['use_bootstrap_container'] = False" described bellow
should
help.
This appears to be caused by remaint of old days:
$ cat ~/.config/mock.cfg | grep yum
config_opts['yum_command'] = '/usr/bin/yum-deprecated'
Should not be issue for most of you.
Vít
Vít
> Mock is calling `dnf --installroot` to install packages for target
> architecture into target directory. This works. Mostly. The only
> problem that use host DNF and rpm to install packages. But this can
> cause problem when new RPM feature is introduces. Like Soft
> dependencies or Rich dependencies. When you have EL6 host and try to
> install Fedora rawhide package with Rich dependency then rpm will fail
> and you cannot do anything about it. You can upgrade your build
> machine to Fedora rawhide, but that is often not possible when it is
> part of critical infrastructure.
>
> So we introduced Boostrap chroot. And 'we' actually means Michael
> Cullen who implement it. And Igor Gnatenko who proposed this idea. Big
> kudos for both of them.
>
> Bootstrap chroot means that we first create very minimal chroot for
> target platform and we call DNF/YUM from that platform. For example:
> when you are on RHEL7 and you want to build package for
> `fedora-26-x86_64`, mock will first create chroot called
> `fedora-26-x86_64-bootstrap`, it will install DNF and rpm there (fc26
> versions). Then it will call DNF from `fedora-26-x86_64-bootstrap` to
> install all needed packages to `fedora-26-x86_64` chroot.
>
> The disadvantage is that you will need more storage in
> `/var/lib/mock`, the build is little bit slower. But you will hardly
> notice that unless you disabled `yum_cache` and `root_cache` plugins
> for some reasons.
>
> The advantage is that you can use stable version of OS to build
> packages for even most recent OS. And vice versa.
>
>
> If you want to preserve previous behaviour you can use
> `--no-bootstrap-chroot` command line option or set:
>
> ```
> config_opts['use_bootstrap_container'] = False
> ```
>
> in your configuration.
>
>
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