$ git clone -n https://github.com/xcp-ng-rpms/kernel.git /var/lib/mock/v8.0-base-948-384/root/chroot_tmpdir/scmroot/kernel
Cloning into '/var/lib/mock/v8.0-base-948-384/root/chroot_tmpdir/scmroot/kernel'...
$ git reset --hard c4702cf37184fdc3d0a4516eaff93b4f7e36aa16
Downloading SOURCES/kernel-4.19.19.tar.gz (161 MB)
HEAD is now at c4702cf Rebuild after libdrm rebuild