$ git clone -n https://src.fedoraproject.org/rpms/step.git /var/lib/mock/f40-build-1443521-23577/root/chroot_tmpdir/scmroot/step
Cloning into '/var/lib/mock/f40-build-1443521-23577/root/chroot_tmpdir/scmroot/step'...
$ git fetch origin b108e8b163341dcfdfc7003f1956fb7953938af3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/step
 * [new ref]         b108e8b163341dcfdfc7003f1956fb7953938af3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b108e8b 24.05.0