$ git clone -n https://github.com/xcp-ng-rpms/xen.git /var/lib/mock/v8.0-base-1292-542/root/chroot_tmpdir/scmroot/xen
Cloning into '/var/lib/mock/v8.0-base-1292-542/root/chroot_tmpdir/scmroot/xen'...
$ git reset --hard 30a87b71d8090935f0264bb07986ea412ac77bf9
Downloading SOURCES/xen.tar.gz (28 MB)
HEAD is now at 30a87b7 Merge branch 'XS-8.0'