$ git clone -n https://github.com/xcp-ng-rpms/xcp-ng-pv-tools.git /var/lib/mock/v8.3-incoming-11284-29620/root/chroot_tmpdir/scmroot/xcp-ng-pv-tools
Cloning into '/var/lib/mock/v8.3-incoming-11284-29620/root/chroot_tmpdir/scmroot/xcp-ng-pv-tools'...
$ git fetch origin b9d050e1abdb9bd94455cd5eb97175400a670c9e:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/xcp-ng-pv-tools
 * [new ref]         b9d050e1abdb9bd94455cd5eb97175400a670c9e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b9d050e Update WinPV 9.1.146