fx list-owners

Finds the nearest OWNERS file corresponding to the provided path, or the

usage: fx list-owners src/devices/bus/drivers/pci/bus.cc
       fx list-owners src/connectivity
       fx list-owners (. is implied)

This command attempts to list the nearest OWNERS file corresponding to a
target file or directory, or current directory if not otherwise specificed.

It does not handle files that have file-specific mention in an OWNERS file
outside of file's directory.

list-owners source code