-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On Fri, 16 Jan 2015 17:18:17 +0100 Miroslav Suchý <msuchy@xxxxxxxxxx> wrote: > On 01/14/2015 04:00 PM, Dennis Gilmore wrote: > >> On 01/13/2015 06:01 PM, Dennis Gilmore wrote: > >>> > > that all being said. koji doesn't use any caching and will > >>> > > not use the lvm plugin. we make every buildroot from scratch > >>> > > using a fully clean environment to help with ensuring > >>> > > reproducability. > >> > > >> > You can cache and still preserve reproducability. What I'm > >> > planning for Copr is to do (every week/month) for chroot in > >> > fedora-20-x86_64 fedora-21_86_64 ... ; do mock --init $chroot > >> > done > >> > take snapshot of that. I plan to do that on VM level. > >> > And when new task come, I will just restore from that snapshot. > >> > And mock will start with already populated cache. So I will have > >> > better caching and yet reproducability. > > you really can't. you would need to make a new cache any time one > > of the packages in the minimal buildroot changes. > > That is why mock run 'yum update' on minimal buildroot before > proceeding further. So if one package in buildroot changes, you will > just download and install just that one package and all other comes > from cache. That invalidates being able to reproduce the build root exactly. as you would need to know and reproduce the package update. This is something that has undergone a lot of thought and consideration and there is very very good reasons things are the way they are. as i showed elsewhere in this thread most repos are used only once or twice at most on any given host. Dennis -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBAgAGBQJUuceOAAoJEH7ltONmPFDRrq8QAIX07Q9MiY0RhXPveO+U48Kx rPoU9N2Sbyje1pAphkDeTSlRqIJn/cFnHCorVPkbi2GEUbLZ/0bZSVixVr/7aIn0 BymonZJiuc5skQkA0WVOUZyK5O801dOrztzvMUEmTLGG6j5SSjFg3W4yO1Vnn1l3 P6vPnczjGDOn42mDjdKGUVnEifsryFlNIRkQQycaVCmGPh0vkJGX3cYzu6ALUS4F ejSozB40LG6CMoLHDH4vi8MwLAz6/39siGxD/hkFOpziWSqAcvm6lSTlPREbSpTA E7gY+FGaT+7jQDSpJViUcfrIAinFlIIab0VUkdI+zd0v7vK+NJBluwfGHBl1817m IdA6Nz1jXG/5gQqTb8LdefCDuMyFpG1DWuiIF63vSmr83uMZOBSRWTtdS8jcRl39 qylx+CzKL4OAzBOlnSi437bitbyKOSLw2h0qDHiL29LvAsngKegLiXDiTvkGnkXX zNWUTkaHg+BCg/qzl9Zz3dgEtXOfTHXHKWoRl8L2/i101W4ucgx5ZHQFMydo9jiN e/e0E/FKqAAq0BbbK7+ltnKrpUeTxuQ74apjLbEAl6XMk9vYKORWxpUkHeGiasPM EvhOPf5LEi+veCvRPuqzU0jVauJxJeaLY2w0vGkdqfoj1w6fqO6JR63BIv/tXC5A MaD5XcAcF7a17uQDaQ1s =4vDY -----END PGP SIGNATURE----- -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct
