$ git clone -n https://src.fedoraproject.org/rpms/mrtg.git /var/lib/mock/f41-build-side-1-2765524-32049/root/chroot_tmpdir/scmroot/mrtg
Cloning into '/var/lib/mock/f41-build-side-1-2765524-32049/root/chroot_tmpdir/scmroot/mrtg'...
$ git fetch origin 048f02b0cdb92be6ad9b85b0aa68b19d5368c858:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mrtg
 * [new ref]         048f02b0cdb92be6ad9b85b0aa68b19d5368c858 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 048f02b Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild