$ git clone -n https://github.com/xcp-ng-rpms/xen.git /var/lib/mock/v7.6-testing-1624-1012/root/chroot_tmpdir/scmroot/xen
Cloning into '/var/lib/mock/v7.6-testing-1624-1012/root/chroot_tmpdir/scmroot/xen'...
$ git reset --hard 40d893b5988c2814ac98db60e86951fc6b6bcbd0
Downloading SOURCES/xen-4.7.6.tar.gz (5.5 MB)
HEAD is now at 40d893b Merge branch 'XS-7.6' into 7.6