$ git clone -n https://github.com/xcp-ng-rpms/xen.git /var/lib/mock/v8.3-incoming-5509-8772/root/chroot_tmpdir/scmroot/xen
Cloning into '/var/lib/mock/v8.3-incoming-5509-8772/root/chroot_tmpdir/scmroot/xen'...
$ git reset --hard cef25d0d73a43ebb581d0e291fb51b9b28f4002f
Downloading SOURCES/xen-4.13.5.tar.gz (6.2 MB)
HEAD is now at cef25d0 Merge branch 'XS-8.3'