$ git clone -n https://src.fedoraproject.org/rpms/R-maps.git /var/lib/mock/f31-build-74025-31067/root/chroot_tmpdir/scmroot/R-maps
Cloning into '/var/lib/mock/f31-build-74025-31067/root/chroot_tmpdir/scmroot/R-maps'...
$ git reset --hard dbb16b46bfe257ed00d81e69b1bb22b01ecddafc
HEAD is now at dbb16b4 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild