Identical description of `listall` and `search` in `arduino-cli board --help` output

[jmnc2]

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Bug Report

Current behavior

arduino-cli board

The help printed: . . listall List all known boards and their corresponding FQBN. search List all known boards and their corresponding FQBN. . .

But this is more about the getting-started guide.

Expected behavior

While following: https://arduino.github.io/arduino-cli/0.21/getting-started/ It says:

identify the platform core and use the correct FQBN string. When a board is 
not detected for whatever reason, you can list all the supported boards and
their FQBN strings by running the following:

$ arduino-cli board listall mkr

At least for me listall lists the boards that are installed, so just gives a blank list at this point. After messing around and deleting the settings folder and redoing

$ arduino-cli config init
$ arduino-cli core update-index

still the same so after reading help from 'arduino-cli board' tried using: 'arduino-cli board search' instead and that worked. Then after doing 'arduino-cli core install arduino:avr' 'arduino-cli board listall' now lists all the avr boards supported by arduino:avr

So I guess the documentation is wrong and search is what lists all the boards? While listall lists the installed boards?

The help from 'arduino-cli board' could also use improving to make it clear what listall and search do.

Environment

• CLI version (output of arduino-cli version):
• OS and platform: Linux Manjaro

Additional context

[per1234]

Thanks @jmnc2! We have an existing issue that is used to track the fact that it is not clear that board listall only lists boards of installed platforms: https://github.com/arduino/arduino-cli/issues/550

I think this situation with the command line help produced by arduino-cli board --help having identical descriptions for both listall and search definitely needs to be fixed, so we can use this issue to track that problem.