$ git clone -n https://github.com/xcp-ng-rpms/kernel-alt.git /var/lib/mock/v8.3-incoming-7225-18700/root/chroot_tmpdir/scmroot/kernel-alt
Cloning into '/var/lib/mock/v8.3-incoming-7225-18700/root/chroot_tmpdir/scmroot/kernel-alt'...
$ git reset --hard 3ab10da68c2ab0d7d4eb43a30ba3914d3361bccd
Downloading SOURCES/kernel-4.19.320.tar.gz (166 MB)
HEAD is now at 3ab10da Merge pull request #29 from xcp-ng-rpms/config/disable-intel-perf-drivers