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starship.nix
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starship.nix
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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.programs.starship;
tomlFormat = pkgs.formats.toml { };
starshipCmd = "${config.home.profileDirectory}/bin/starship";
in {
meta.maintainers = [ ];
options.programs.starship = {
enable = mkEnableOption "starship";
package = mkOption {
type = types.package;
default = pkgs.starship;
defaultText = literalExpression "pkgs.starship";
description = "The package to use for the starship binary.";
};
settings = mkOption {
type = tomlFormat.type;
default = { };
example = literalExpression ''
{
add_newline = false;
format = lib.concatStrings [
"$line_break"
"$package"
"$line_break"
"$character"
];
scan_timeout = 10;
character = {
success_symbol = "➜";
error_symbol = "➜";
};
}
'';
description = ''
Configuration written to
{file}`$XDG_CONFIG_HOME/starship.toml`.
See <https://starship.rs/config/> for the full list
of options.
'';
};
enableBashIntegration = mkEnableOption "Bash integration" // {
default = true;
};
enableZshIntegration = mkEnableOption "Zsh integration" // {
default = true;
};
enableFishIntegration = mkEnableOption "Fish integration" // {
default = true;
};
enableIonIntegration = mkEnableOption "Ion integration" // {
default = true;
};
enableNushellIntegration = mkEnableOption "Nushell integration" // {
default = true;
};
enableTransience = mkOption {
type = types.bool;
default = false;
description = ''
The TransientPrompt feature of Starship replaces previous prompts with a
custom string. This is only a valid option for the Fish shell.
For documentation on how to change the default replacement string and
for more information visit
https://starship.rs/advanced-config/#transientprompt-and-transientrightprompt-in-cmd
'';
};
};
config = mkIf cfg.enable {
home.packages = [ cfg.package ];
xdg.configFile."starship.toml" = mkIf (cfg.settings != { }) {
source = tomlFormat.generate "starship-config" cfg.settings;
};
programs.bash.initExtra = mkIf cfg.enableBashIntegration ''
if [[ $TERM != "dumb" ]]; then
eval "$(${starshipCmd} init bash --print-full-init)"
fi
'';
programs.zsh.initExtra = mkIf cfg.enableZshIntegration ''
if [[ $TERM != "dumb" ]]; then
eval "$(${starshipCmd} init zsh)"
fi
'';
programs.fish.interactiveShellInit = mkIf cfg.enableFishIntegration ''
if test "$TERM" != "dumb"
eval (${starshipCmd} init fish)
${lib.optionalString cfg.enableTransience "enable_transience"}
end
'';
programs.ion.initExtra = mkIf cfg.enableIonIntegration ''
if test $TERM != "dumb"
eval $(${starshipCmd} init ion)
end
'';
programs.nushell = mkIf cfg.enableNushellIntegration {
# Unfortunately nushell doesn't allow conditionally sourcing nor
# conditionally setting (global) environment variables, which is why the
# check for terminal compatibility (as seen above for the other shells) is
# not done here.
extraEnv = ''
let starship_cache = "${config.xdg.cacheHome}/starship"
if not ($starship_cache | path exists) {
mkdir $starship_cache
}
${starshipCmd} init nu | save --force ${config.xdg.cacheHome}/starship/init.nu
'';
extraConfig = ''
use ${config.xdg.cacheHome}/starship/init.nu
'';
};
};
}