Introspect and garbage-collect the extracted-artefact cache that
mix nbpr.fetch/mix nbpr.build populate under
$NERVES_ARTIFACTS_DIR/nbpr/ (defaulting to ~/.local/share/nerves/nbpr/).
mix nbpr.cache list
mix nbpr.cache info <dir>
mix nbpr.cache clean [--keep-latest] [--dry-run] [--yes]Subcommands
list— one line per cached artefact: directory name, package version, and target system.info <dir>— the full(package, version, system, system_version, build_opts)tuple a cache entry corresponds to, read from itsmanifest.json.<dir>is the directory name as printed bylist.clean— remove cached artefacts. By default removes all of them; with--keep-latestit keeps the most-recently-modified entry per package and removes the rest. Prompts before deleting unless--yesis given;--dry-runprints what would be removed without deleting.