/usr/lib/R/site-library/g.data/INDEX is in r-cran-g.data 2.0-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | g.data.save Create and Maintain Delayed-Data Packages
g.data.upgrade Upgrade a version 1 DDP to version 2
|