$ git clone -n https://github.com/xcp-ng-rpms/xcp-ng-release /var/lib/mock/v8.3-incoming-9695-28414/root/chroot_tmpdir/scmroot/xcp-ng-release
Cloning into '/var/lib/mock/v8.3-incoming-9695-28414/root/chroot_tmpdir/scmroot/xcp-ng-release'...
$ git fetch origin 56f7e57d1662dc71f2a368b57fd61a010fccf795:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/xcp-ng-release
 * [new ref]         56f7e57d1662dc71f2a368b57fd61a010fccf795 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 56f7e57 Fix prompt on testing tput output