start the update server and attach to a running fuchsia device
usage: fx serve-updates [-v] [-l host[:port]] [-c version] [--no-auto-config]
-l host:port host and port that "pm serve" will listen on
-c version configuration format version for the served config.json
that "pm" will serve. Valid choices: 1 or 2.
Choosing `1` will serve a file which can be processed by
`amberctl` and `pkgctl repo add ... -f 1`.
Choosing `2` will serve a file which cannot be processed by
`amberctl` but by `pkgctl repo ...` without the `-f 1` switch.
--no-auto-config do not configure this host as a package server on the device
--[no-]persist enable or disable persistence of repository metadata. Disabled
by default.
-v verbose mode, shows info and debug messages from "pm"
-C|--clean clean the package repository first. This flag is only
valid if the incremental package publishing is enabled.
This command supports incremental package publishing. If enabled, it will
auto-publish packages as they are created or modified.
To enable incremental package serving, run "fx --enable=incremental serve-updates ..."