$ git clone -n https://github.com/xcp-ng-rpms/xen.git /var/lib/mock/v8.0-testing-1604-987/root/chroot_tmpdir/scmroot/xen
Cloning into '/var/lib/mock/v8.0-testing-1604-987/root/chroot_tmpdir/scmroot/xen'...
$ git reset --hard 5bd10fb0e58204c13d877b59259d03d68d47dd5a
Downloading SOURCES/xen.tar.gz (28 MB)
HEAD is now at 5bd10fb Update changelog