$ git clone -n https://src.fedoraproject.org/rpms/R-nanotime.git /var/lib/mock/f33-build-394905-62440/root/chroot_tmpdir/scmroot/R-nanotime
Cloning into '/var/lib/mock/f33-build-394905-62440/root/chroot_tmpdir/scmroot/R-nanotime'...
$ git reset --hard bb021b179b22f8e93a6aa6192420ac809b2f307b
HEAD is now at bb021b1 Update to latest version.