$ git clone -n https://github.com/xcp-ng-rpms/xen.git /var/lib/mock/v8.3-incoming-6787-15909/root/chroot_tmpdir/scmroot/xen
Cloning into '/var/lib/mock/v8.3-incoming-6787-15909/root/chroot_tmpdir/scmroot/xen'...
$ git reset --hard 0568345ffd8880e9628cccedfad6c238d4353b69
Downloading SOURCES/xen-4.17.4.tar.gz (6.7 MB)
HEAD is now at 0568345 Merge branch 'XS-8.3'