$ git clone -n https://src.fedoraproject.org/rpms/R-readxl.git /var/lib/mock/f37-build-642054-72056/root/chroot_tmpdir/scmroot/R-readxl
Cloning into '/var/lib/mock/f37-build-642054-72056/root/chroot_tmpdir/scmroot/R-readxl'...
$ git reset --hard 5dd5468a633ec53cf62f2ea89ed0f34052f55681
HEAD is now at 5dd5468 R 4.2.1, update to 1.4.1