$ git clone -n https://src.fedoraproject.org/rpms/R-chron.git /var/lib/mock/f31-build-92725-32375/root/chroot_tmpdir/scmroot/R-chron
Cloning into '/var/lib/mock/f31-build-92725-32375/root/chroot_tmpdir/scmroot/R-chron'...
$ git reset --hard 638ba8e0d6e79ec65ab4124eb16d3a2b38123430
HEAD is now at 638ba8e Remove explicit dependencies provided by automatic dependency generator.