$ git clone -n https://src.fedoraproject.org/rpms/R-RcppCCTZ.git /var/lib/mock/f31-build-49807-27348/root/chroot_tmpdir/scmroot/R-RcppCCTZ
Cloning into '/var/lib/mock/f31-build-49807-27348/root/chroot_tmpdir/scmroot/R-RcppCCTZ'...
$ git reset --hard d37badf38c61f4b4436615c1f7cc6d6769e9ac78
HEAD is now at d37badf Update to latest version.