$ git clone -n https://src.fedoraproject.org/rpms/R-roxygen2.git /var/lib/mock/f33-build-156703-43393/root/chroot_tmpdir/scmroot/R-roxygen2
Cloning into '/var/lib/mock/f33-build-156703-43393/root/chroot_tmpdir/scmroot/R-roxygen2'...
$ git reset --hard 0b97bb09505ebe976abccf84153c336e71941e57
HEAD is now at 0b97bb0 Enable optional build dependencies.