$ git clone -n https://src.fedoraproject.org/rpms/gfs-neohellenic-math-fonts.git /var/lib/mock/f45-build-9844-409/root/chroot_tmpdir/scmroot/gfs-neohellenic-math-fonts
Cloning into '/var/lib/mock/f45-build-9844-409/root/chroot_tmpdir/scmroot/gfs-neohellenic-math-fonts'...
$ git fetch origin 003e1b064a226301c9896def348c02ec7ca68b8e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gfs-neohellenic-math-fonts
 * [new ref]         003e1b064a226301c9896def348c02ec7ca68b8e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 003e1b0 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild