$ git clone -n https://src.fedoraproject.org/rpms/mathicgb.git /var/lib/mock/f31-build-86326-31670/root/chroot_tmpdir/scmroot/mathicgb
Cloning into '/var/lib/mock/f31-build-86326-31670/root/chroot_tmpdir/scmroot/mathicgb'...
$ git reset --hard 6d0388ceb67434a2f25f83fbc304e72ad3fd7078
HEAD is now at 6d0388c - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild