$ git clone -n https://github.com/xcp-ng-rpms/kernel.git /var/lib/mock/v8.3-incoming-6641-14811/root/chroot_tmpdir/scmroot/kernel
Cloning into '/var/lib/mock/v8.3-incoming-6641-14811/root/chroot_tmpdir/scmroot/kernel'...
$ git reset --hard 8e85b8ed4044a498422fa563bc7a2152b07b09ca
Downloading SOURCES/kernel-4.19.19.tar.gz (161 MB)
HEAD is now at 8e85b8e Merge pull request #9 from benapetr/master