list packages are built
usage: fx list-packages [--base|--cache|--universe] list-packages lists the packages that the build is aware of. These are packages that can be rebuilt, and/or pushed to a device. Note: list-packages DOES NOT list all packages that could be built, only those which are included in the current build configuration. --base - list only packages in base --cache - list only packages in cache --universe - list all packages See https://fuchsia.dev/fuchsia-src/development/build/boards_and_products for more information about using these package sets.