$ git clone -n https://src.fedoraproject.org/rpms/mbox-importer.git /var/lib/mock/f41-build-side-1-2965557-35794/root/chroot_tmpdir/scmroot/mbox-importer
Cloning into '/var/lib/mock/f41-build-side-1-2965557-35794/root/chroot_tmpdir/scmroot/mbox-importer'...
$ git fetch origin 42af7b00a774f1ea407d408718ea90996956608d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mbox-importer
 * [new ref]         42af7b00a774f1ea407d408718ea90996956608d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 42af7b0 24.08.2