$ git clone -n https://src.fedoraproject.org/rpms/kf5-kcmutils.git /var/lib/mock/f38-build-717229-96529/root/chroot_tmpdir/scmroot/kf5-kcmutils
Cloning into '/var/lib/mock/f38-build-717229-96529/root/chroot_tmpdir/scmroot/kf5-kcmutils'...
$ git fetch origin 813f5f4366dce2693aa58d445a2643f0528a18c0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kcmutils
 * [new ref]         813f5f4366dce2693aa58d445a2643f0528a18c0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 813f5f4 5.106.0