$ git clone -n https://src.fedoraproject.org/rpms/gretl.git /var/lib/mock/f41-build-757232-13423/root/chroot_tmpdir/scmroot/gretl
Cloning into '/var/lib/mock/f41-build-757232-13423/root/chroot_tmpdir/scmroot/gretl'...
$ git fetch origin 621a754ae16c0e93190daf69bbfb026757029784:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gretl
 * [new ref]         621a754ae16c0e93190daf69bbfb026757029784 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 621a754 Update to 2024b