FISH_CONFIG(1)

NAME
fish_config - start the web-based configuration interface

SYNOPSIS
fish_config [browse]
fish_config prompt (choose | list | save | show)
fish_config theme
fish_config theme choose THEME [ --color-theme=(dark | light) ]
fish_config theme demo
fish_config theme dump
fish_config theme list
fish_config theme show [THEME...]

DESCRIPTION

fish_config is used to configure fish.

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 funcsave <>).

    •   show shows what the given sample prompts (or all) would look like.

With the theme command fish_config can be used to view and choose a theme (meaning a color scheme) inside the terminal.

Available subcommands for the theme command:

    •   choose loads a theme in the current session. If the theme has light and dark variants (see below), the one matching fish_terminal_color_theme <#envvar-fish_terminal_color_theme> will be applied (also whenever that variable changes). To override fish_terminal_color_theme <#envvar-fish_terminal_color_theme>, pass the --color-theme argument.

    •   demo displays some sample text in the current theme.

    •   dump prints the current theme in a loadable format.

    •   list lists the names of the available themes.

    •   show shows what the given themes (or all) would look like.

    •   (not recommended) save saves the given theme to universal variables <#variables-universal>. A theme set this way will not update as fish_terminal_color_theme <#envvar-fish_terminal_color_theme> changes.

The -h or --help option displays help about using this command.

THEME FILES

fish_config theme and the theme selector in the web config tool load their themes from theme files. These are stored in the fish configuration directory, typically ~/.config/fish/themes, with a .theme ending.

You can add your own theme by adding a file in that directory.

To get started quickly:

            fish_config theme dump > ~/.config/fish/themes/my.theme

which will save your current theme in .theme format.

The format looks like this:

            # name: 'My Theme'

            [light]
            # preferred_background: ffffff
            fish_color_normal 000000
            fish_color_autosuggestion 7f7f7f
            fish_color_command 0000ee

            [dark]
            # preferred_background: 000000
            fish_color_normal ffffff
            fish_color_autosuggestion 7f7f7f
            fish_color_command 5c5cff

            [unknown]
            fish_color_normal --reset
            fish_color_autosuggestion brblack
            fish_color_cancel -r
            fish_color_command --reset

The comments provide name and background color to the web config tool.

Themes can have three variants, one for light mode, one for dark mode, and one for terminals that don't report colors <#term-compat-query-background-color> (where fish_terminal_color_theme <#envvar-fish_terminal_color_theme> is set to unknown).

The other lines are just like set variable value, except that no expansions are allowed. Quotes are, but aren't necessary.

Other than that, .theme files can contain any variable with a name that matches the regular expression '^fish_(?:pager_)?color_.*$' - starts with fish_, an optional pager_, then color_ and then anything.

EXAMPLE

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 config.fish <#configuration> to set the prompt.

fish_config prompt save saves the current prompt to an autoloaded <#syntax-function-autoloading> file.

fish_config prompt save default chooses the default prompt and saves it.

Copyright
fish-shell developers