fx 添加更新源

usage: fx add-update-source [--addr ADDR] [--port PORT] [--name NAME]

Configure target device to use a new update source.

  --name NAME        Name the generated update source config NAME.
  --addr ADDR        Specify the package server address explicitly.
  --port PORT        The port at ADDR on which the package server is running (default: 8083).
  --[no-]persist     Enable or disable persistence of repo metadata. Disabled by default.
  --server-mode MODE Use repository server mode MODE to register a repository onto a device.
                     (default: output of 'ffx config get repository.server.mode').

ADDR:
Any IPv4 / IPv6 address or publicly reachable DNS name.
Note: ADDR must be the address as-routable by the target device.
If an link-local IPv6 address is provided, it must include a
valid scope for the target (e.g. %ethp0014).
If no ADDR is provided, the default address is assumed to be the
address of the host machine as seen by the target from an SSH
connection to the target device.

NAME:
If no name is supplied, the name defaults to "devhost", otherwise
it contains the address given.