$ git clone -n https://github.com/xcp-ng-rpms/vendor-drivers.git /var/lib/mock/v8.3-incoming-6791-15975/root/chroot_tmpdir/scmroot/vendor-drivers
Cloning into '/var/lib/mock/v8.3-incoming-6791-15975/root/chroot_tmpdir/scmroot/vendor-drivers'...
$ git reset --hard 332425dd2fa42fd444e793886ba431502fec5da3
HEAD is now at 332425d Merge branch 'XS-8.3'