$ git clone -n https://src.fedoraproject.org/rpms/R-filehash.git /var/lib/mock/f31-build-85452-31603/root/chroot_tmpdir/scmroot/R-filehash
Cloning into '/var/lib/mock/f31-build-85452-31603/root/chroot_tmpdir/scmroot/R-filehash'...
$ git reset --hard f6556790b49d737fe1d5a5b8f2f499a5bc0455a4
HEAD is now at f655679 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild