$ git clone -n https://src.fedoraproject.org/rpms/mpfr.git /var/lib/mock/f33-build-296536-55733/root/chroot_tmpdir/scmroot/mpfr
Cloning into '/var/lib/mock/f33-build-296536-55733/root/chroot_tmpdir/scmroot/mpfr'...
$ git reset --hard 28c128f92757d261ce66120d7337f8ccd494d6ac
HEAD is now at 28c128f - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild