$ git clone -n https://github.com/xcp-ng-rpms/xen.git /var/lib/mock/v8.3-u-tescande1-6026-11417/root/chroot_tmpdir/scmroot/xen
Cloning into '/var/lib/mock/v8.3-u-tescande1-6026-11417/root/chroot_tmpdir/scmroot/xen'...
$ git reset --hard a3c2285b674a5ac36535f9cc47b8003d977f3333
Downloading SOURCES/xen-4.17.3.tar.gz (6.8 MB)
HEAD is now at a3c2285 Import Xen 4.17.3