$ git clone -n https://src.fedoraproject.org/rpms/R-rlang.git /var/lib/mock/f33-build-313138-57605/root/chroot_tmpdir/scmroot/R-rlang
Cloning into '/var/lib/mock/f33-build-313138-57605/root/chroot_tmpdir/scmroot/R-rlang'...
$ git reset --hard a3ec5ab5fa1c7ad516bf776f221c26012cc1ac2b
HEAD is now at a3ec5ab - Second attempt - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild