$ git clone -n https://src.fedoraproject.org/rpms/R-htmltools.git /var/lib/mock/f33-build-618245-67418/root/chroot_tmpdir/scmroot/R-htmltools
Cloning into '/var/lib/mock/f33-build-618245-67418/root/chroot_tmpdir/scmroot/R-htmltools'...
$ git reset --hard c8ce20ab4455e892a7b93c4263ad392cda4a913b
HEAD is now at c8ce20a Actually update sources.