home-manager/modules/programs/starship.nix

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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.programs.starship;
tomlFormat = pkgs.formats.toml { };
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starshipCmd = "${config.home.profileDirectory}/bin/starship";
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in {
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meta.maintainers = [ maintainers.marsam ];
options.programs.starship = {
enable = mkEnableOption "starship";
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package = mkOption {
type = types.package;
default = pkgs.starship;
defaultText = literalExpression "pkgs.starship";
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description = "The package to use for the starship binary.";
};
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settings = mkOption {
type = with types;
let
prim = either bool (either int str);
primOrPrimAttrs = either prim (attrsOf prim);
entry = either prim (listOf primOrPrimAttrs);
entryOrAttrsOf = t: either entry (attrsOf t);
entries = entryOrAttrsOf (entryOrAttrsOf entry);
in attrsOf entries // { description = "Starship configuration"; };
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default = { };
example = literalExpression ''
{
add_newline = false;
format = lib.concatStrings [
"$line_break"
"$package"
"$line_break"
"$character"
];
scan_timeout = 10;
character = {
success_symbol = "";
error_symbol = "";
};
}
'';
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description = ''
Configuration written to
<filename>$XDG_CONFIG_HOME/starship.toml</filename>.
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</para><para>
See <link xlink:href="https://starship.rs/config/" /> for the full list
of options.
'';
};
enableBashIntegration = mkOption {
default = true;
type = types.bool;
description = ''
Whether to enable Bash integration.
'';
};
enableZshIntegration = mkOption {
default = true;
type = types.bool;
description = ''
Whether to enable Zsh integration.
'';
};
enableFishIntegration = mkOption {
default = true;
type = types.bool;
description = ''
Whether to enable Fish integration.
'';
};
enableIonIntegration = mkOption {
default = true;
type = types.bool;
description = ''
Whether to enable Ion integration.
'';
};
enableNushellIntegration = mkOption {
default = true;
type = types.bool;
description = ''
Whether to enable Nushell integration.
'';
};
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};
config = mkIf cfg.enable {
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home.packages = [ cfg.package ];
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xdg.configFile."starship.toml" = mkIf (cfg.settings != { }) {
source = tomlFormat.generate "starship-config" cfg.settings;
};
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programs.bash.initExtra = mkIf cfg.enableBashIntegration ''
if [[ $TERM != "dumb" && (-z $INSIDE_EMACS || $INSIDE_EMACS == "vterm") ]]; then
eval "$(${starshipCmd} init bash --print-full-init)"
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fi
'';
programs.zsh.initExtra = mkIf cfg.enableZshIntegration ''
if [[ $TERM != "dumb" && (-z $INSIDE_EMACS || $INSIDE_EMACS == "vterm") ]]; then
eval "$(${starshipCmd} init zsh)"
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fi
'';
programs.fish.interactiveShellInit = mkIf cfg.enableFishIntegration ''
if test "$TERM" != "dumb" -a \( -z "$INSIDE_EMACS" -o "$INSIDE_EMACS" = "vterm" \)
eval (${starshipCmd} init fish)
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end
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'';
programs.ion.initExtra = mkIf cfg.enableIonIntegration ''
if test $TERM != "dumb" && not exists -s INSIDE_EMACS || test $INSIDE_EMACS = "vterm"
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 = ''
source ${config.xdg.cacheHome}/starship/init.nu
'';
};
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};
}