$ git clone -n https://src.fedoraproject.org/rpms/mathicgb.git /var/lib/mock/f41-build-830017-156298/root/chroot_tmpdir/scmroot/mathicgb
Cloning into '/var/lib/mock/f41-build-830017-156298/root/chroot_tmpdir/scmroot/mathicgb'...
$ git fetch origin c9947569ca4ca1eb3d04e35e2b91055211ab3899:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mathicgb
 * [new ref]         c9947569ca4ca1eb3d04e35e2b91055211ab3899 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c994756 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild