home-manager/modules/programs/starship.nix

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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.programs.starship;
configFile = config:
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pkgs.runCommand "config.toml" {
buildInputs = [ pkgs.remarshal ];
preferLocalBuild = true;
allowSubstitutes = false;
} ''
remarshal -if json -of toml \
< ${pkgs.writeText "config.json" (builtins.toJSON config)} \
> $out
'';
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in {
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meta.maintainers = [ maintainers.marsam ];
options.programs.starship = {
enable = mkEnableOption "starship";
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package = mkOption {
type = types.package;
default = pkgs.starship;
defaultText = literalExample "pkgs.starship";
description = "The package to use for the starship binary.";
};
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settings = mkOption {
type = with types;
let
prim = either bool (either int str);
primOrPrimAttrs = either prim (attrsOf prim);
entry = either prim (listOf primOrPrimAttrs);
entryOrAttrsOf = t: either entry (attrsOf t);
entries = entryOrAttrsOf (entryOrAttrsOf entry);
in attrsOf entries // { description = "Starship configuration"; };
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default = { };
example = literalExample ''
{
add_newline = false;
format = lib.concatStrings [
"$line_break"
"$package"
"$line_break"
"$character"
];
scan_timeout = 10;
character = {
success_symbol = "";
error_symbol = "";
};
}
'';
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description = ''
Configuration written to
<filename>~/.config/starship.toml</filename>.
</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.
'';
};
};
config = mkIf cfg.enable {
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home.packages = [ cfg.package ];
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xdg.configFile."starship.toml" =
mkIf (cfg.settings != { }) { source = configFile cfg.settings; };
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programs.bash.initExtra = mkIf cfg.enableBashIntegration ''
if [[ $TERM != "dumb" && (-z $INSIDE_EMACS || $INSIDE_EMACS == "vterm") ]]; then
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eval "$(${cfg.package}/bin/starship init bash)"
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fi
'';
programs.zsh.initExtra = mkIf cfg.enableZshIntegration ''
if [[ $TERM != "dumb" && (-z $INSIDE_EMACS || $INSIDE_EMACS == "vterm") ]]; then
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eval "$(${cfg.package}/bin/starship init zsh)"
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fi
'';
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programs.fish.promptInit = mkIf cfg.enableFishIntegration ''
if test "$TERM" != "dumb" -a \( -z "$INSIDE_EMACS" -o "$INSIDE_EMACS" = "vterm" \)
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eval (${cfg.package}/bin/starship init fish)
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end
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'';
};
}