$ git clone -n https://src.fedoraproject.org/rpms/kde-print-manager.git /var/lib/mock/f39-build-1629247-39532/root/chroot_tmpdir/scmroot/kde-print-manager
Cloning into '/var/lib/mock/f39-build-1629247-39532/root/chroot_tmpdir/scmroot/kde-print-manager'...
$ git fetch origin df337e927197e50f937e563da8d8d55101a8b82d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kde-print-manager
 * [new ref]         df337e927197e50f937e563da8d8d55101a8b82d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at df337e9 23.08.2