$ git clone -n https://src.fedoraproject.org/rpms/R-rex.git /var/lib/mock/f37-build-side-32-misc-devel-341346-15496/root/chroot_tmpdir/scmroot/R-rex
Cloning into '/var/lib/mock/f37-build-side-32-misc-devel-341346-15496/root/chroot_tmpdir/scmroot/R-rex'...
$ git reset --hard 35caed7add821d22c24dc91a65f76cd1658424fa
HEAD is now at 35caed7 no vignettes without dplyr