$ git clone -n https://github.com/xcp-ng-rpms/xen.git /var/lib/mock/v8.2-base-2640-2054/root/chroot_tmpdir/scmroot/xen
Cloning into '/var/lib/mock/v8.2-base-2640-2054/root/chroot_tmpdir/scmroot/xen'...
$ git reset --hard 3bd15cd980ce1a877e1ef01c2bb589f45425a1bb
Downloading SOURCES/xen-4.13.1.tar.gz (6.1 MB)
HEAD is now at 3bd15cd Insert Ice Lake and Comet Lake model numbers