$ git clone -n https://src.fedoraproject.org/rpms/kde-dev-utils.git /var/lib/mock/f39-build-1503091-34957/root/chroot_tmpdir/scmroot/kde-dev-utils
Cloning into '/var/lib/mock/f39-build-1503091-34957/root/chroot_tmpdir/scmroot/kde-dev-utils'...
$ git fetch origin d08143b23142bfaa79762c5ad902498f3131ae6a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kde-dev-utils
 * [new ref]         d08143b23142bfaa79762c5ad902498f3131ae6a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d08143b 23.08.2