$ git clone -n https://src.fedoraproject.org/rpms/R-xfun.git /var/lib/mock/f33-build-600898-67162/root/chroot_tmpdir/scmroot/R-xfun
Cloning into '/var/lib/mock/f33-build-600898-67162/root/chroot_tmpdir/scmroot/R-xfun'...
$ git reset --hard c3bed751b0710d641013ca0adff9bbc95a513cab
HEAD is now at c3bed75 Update to latest version.