$ git clone -n https://src.fedoraproject.org/rpms/mathgl.git /var/lib/mock/f40-build-2317138-58116/root/chroot_tmpdir/scmroot/mathgl
Cloning into '/var/lib/mock/f40-build-2317138-58116/root/chroot_tmpdir/scmroot/mathgl'...
$ git fetch origin 5d898d9edaabbd52cecce075620693609839f28f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mathgl
 * [new ref]         5d898d9edaabbd52cecce075620693609839f28f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5d898d9 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild