$ git clone -n git://pkgs.fedoraproject.org/rpms/mathomatic /var/lib/mock/f29-build-3269-884/root/thebuilddir/tmp/scmroot/mathomatic
Cloning into '/var/lib/mock/f29-build-3269-884/root/thebuilddir/tmp/scmroot/mathomatic'...
$ git reset --hard 5f766c62c87ae644fc3f02ac5c9b26a08ef2237f
HEAD is now at 5f766c6 - Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Binutils_Mass_Rebuild