$ git clone -n https://src.fedoraproject.org/rpms/R-deldir.git /var/lib/mock/f31-build-76813-31453/root/chroot_tmpdir/scmroot/R-deldir
Cloning into '/var/lib/mock/f31-build-76813-31453/root/chroot_tmpdir/scmroot/R-deldir'...
$ git reset --hard b34b1d6a478b04b41f2a5e40c02404cde49013c4
HEAD is now at b34b1d6 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild