$ git clone -n https://github.com/xcp-ng-rpms/xen.git /var/lib/mock/v8.3-u-dml1-6892-16805/root/chroot_tmpdir/scmroot/xen
Cloning into '/var/lib/mock/v8.3-u-dml1-6892-16805/root/chroot_tmpdir/scmroot/xen'...
$ git reset --hard 160a6fb62790f810e4cafaf7423e9d86f99bc185
Downloading SOURCES/xen-4.17.4.tar.gz (6.7 MB)
HEAD is now at 160a6fb Add patch to fix XSA-458