$ git clone -n https://github.com/xcp-ng-rpms/xen /var/lib/mock/dev-testing-66-43/root/chroot_tmpdir/scmroot/xen
Cloning into '/var/lib/mock/dev-testing-66-43/root/chroot_tmpdir/scmroot/xen'...
$ git reset --hard master
Downloading SOURCES/xen-4.7.6.tar.gz (5.5 MB)
HEAD is now at d61cfa3 Merge branch 'XS-7.6'