$ git clone -n https://src.fedoraproject.org/rpms/R-readxl.git /var/lib/mock/f33-build-329546-58171/root/chroot_tmpdir/scmroot/R-readxl
Cloning into '/var/lib/mock/f33-build-329546-58171/root/chroot_tmpdir/scmroot/R-readxl'...
$ git reset --hard 7a3a7aedce31019ad4790191a02996c97b5757ba
HEAD is now at 7a3a7ae - Second attempt - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild