$ git clone -n https://src.fedoraproject.org/rpms/mathgl.git /var/lib/mock/f41-build-1198352-22368/root/chroot_tmpdir/scmroot/mathgl
Cloning into '/var/lib/mock/f41-build-1198352-22368/root/chroot_tmpdir/scmroot/mathgl'...
$ git fetch origin feaa7887f18d3741e3f9e10cebe15c2328371b3a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mathgl
 * [new ref]         feaa7887f18d3741e3f9e10cebe15c2328371b3a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at feaa788 Rebuilt for Python 3.13