$ git clone -n https://src.fedoraproject.org/rpms/aron.git /var/lib/mock/f41-build-side-1-2810979-32924/root/chroot_tmpdir/scmroot/aron
Cloning into '/var/lib/mock/f41-build-side-1-2810979-32924/root/chroot_tmpdir/scmroot/aron'...
$ git fetch origin 625cd70c3b4e8a60089075e08da66a49bccbfbb6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/aron
 * [new ref]         625cd70c3b4e8a60089075e08da66a49bccbfbb6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 625cd70 Last commit in 2020