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. 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. > > _______________________________________________ buildsys mailing list -- buildsys@lists.fedoraproject.org To unsubscribe send an email to buildsys-le...@lists.fedoraproject.org
