$ git clone -n https://github.com/xcp-ng-rpms/kernel.git /var/lib/mock/v7.99-base-451-223/root/chroot_tmpdir/scmroot/kernel
Cloning into '/var/lib/mock/v7.99-base-451-223/root/chroot_tmpdir/scmroot/kernel'...
$ git reset --hard 82fa6e594b872e32108e8d082c36093660536ba8
Downloading SOURCES/kernel-4.4.52.tar.gz (134 MB)
HEAD is now at 82fa6e5 Bump subrel for rebuild in koji