Reference

All functions
checkpoint-package	Install packages from snapshots on the checkpoint server for reproducibility
checkpoint() create_checkpoint() use_checkpoint() delete_checkpoint() delete_all_checkpoints() uncheckpoint()	Configures R session to use packages as they existed on CRAN at time of snapshot.
use_mran_snapshot() list_mran_snapshots()	Utilities for working with MRAN snapshots
scan_project_files()	Scan R files for package dependencies