$ git clone -n https://src.fedoraproject.org/rpms/R-nanotime.git /var/lib/mock/f37-build-644653-72240/root/chroot_tmpdir/scmroot/R-nanotime
Cloning into '/var/lib/mock/f37-build-644653-72240/root/chroot_tmpdir/scmroot/R-nanotime'...
$ git reset --hard 5c530ac86595e5a91723c48cedfdca2282400759
HEAD is now at 5c530ac update to 0.3.6, rebuild for R 4.2.1