$ git clone -n https://src.fedoraproject.org/rpms/R-packrat.git /var/lib/mock/f37-build-side-32-misc-devel-187238-12451/root/chroot_tmpdir/scmroot/R-packrat
Cloning into '/var/lib/mock/f37-build-side-32-misc-devel-187238-12451/root/chroot_tmpdir/scmroot/R-packrat'...
$ git reset --hard 2064fc3564f7f573f6594dc895d9174aeeca9e3e
HEAD is now at 2064fc3 Disable bootstrap