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Add prompt selector

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It's a bit weird to *have* to fire up a browser to get fish_config to
choose a prompt.

So this adds a `prompt` subcommand to `fish_config`:

- `fish_config prompt list` shows all the available prompt names
- `fish_config prompt show` demos the available sample prompts
- `fish_config prompt choose` sources a prompt
- `fish_config prompt save` makes the choice permanent

A bare `fish_config` or `fish_config browse` opens the web UI.

Part of #3625.

TODO: This shows the right prompt on a new line. Showing it in-line is awkward
to do because we'd have to move it to the right.
This commit is contained in:
Fabian Homborg
2021-04-22 18:27:25 +02:00
parent e548dca686
commit 2b74affaf0
3 changed files with 163 additions and 19 deletions
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30
doc_src/cmds/fish_config.rst
View File

@@ -8,23 +8,37 @@ Synopsis
::
fish_config [TAB]
fish_config
fish_config browse
fish_config prompt (choose | list | save | show)
Description
-----------
``fish_config`` starts the web-based configuration interface.
``fish_config`` is used to configure fish.
The web interface allows you to view your functions, variables and history, and to make changes to your prompt and color configuration.
``fish_config`` starts a local web server and then opens a web browser window; when you have finished, close the browser window and then press the Enter key to terminate the configuration session.
``fish_config`` optionally accepts name of the initial configuration tab. For e.g. ``fish_config history`` will start configuration interface with history tab.
Without arguments or with the ``browse`` command it starts the web-based configuration interface. The web interface allows you to view your functions, variables and history, and to make changes to your prompt and color configuration. It starts a local web server and opens a browser window. When you are finished, close the browser window and press the Enter key to terminate the configuration session.
If the ``BROWSER`` environment variable is set, it will be used as the name of the web browser to open instead of the system default.
With the ``prompt`` command ``fish_config`` can be used to view and choose a prompt from fish's sample prompts inside the terminal directly.
Available subcommands for the ``prompt`` command:
- ``choose`` loads a sample prompt in the current session.
- ``list`` lists the names of the available sample prompts.
- ``save`` saves the current prompt to a file (via :ref:`funcsave <cmd-funcsave>`).
- ``show`` shows what the given sample prompts (or all) would look like.
Example
-------
``fish_config`` opens a new web browser window and allows you to configure certain fish settings.
``fish_config`` or ``fish_config browse`` opens a new web browser window and allows you to configure certain fish settings.
``fish_config prompt show`` demos the available sample prompts.
``fish_config prompt choose disco`` makes the disco prompt the prompt for the current session. This can also be used in :ref:`config.fish <initialization>` to set the prompt.
``fish_config prompt save`` saves the current prompt to an :ref:`autoloaded <autoloading-functions>` file.
``fish_config prompt save default`` chooses the default prompt and saves it.