$ git clone -n https://src.fedoraproject.org/rpms/R-fs.git /var/lib/mock/f33-build-281780-51714/root/chroot_tmpdir/scmroot/R-fs
Cloning into '/var/lib/mock/f33-build-281780-51714/root/chroot_tmpdir/scmroot/R-fs'...
$ git reset --hard 157cccab0c339064013ccc7a3fab582e7129d1a5
HEAD is now at 157ccca - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild