$ git clone -n https://github.com/xcp-ng-rpms/xen.git /var/lib/mock/v8.3-incoming-8088-23705/root/chroot_tmpdir/scmroot/xen
Cloning into '/var/lib/mock/v8.3-incoming-8088-23705/root/chroot_tmpdir/scmroot/xen'...
$ git reset --hard 5feee7959e3ec74e097041ea4f5e2730dc39b906
Downloading SOURCES/xen-4.17.5.tar.gz (6.7 MB)
HEAD is now at 5feee79 Add patch to fix XSA-467