nixos/starship: init

nixos/doc/manual/from_md/release-notes/rl-2205.section.xml

@@ -424,6 +424,15 @@
           renamed to <literal>linux-firmware</literal>.
         </para>
       </listitem>
+      <listitem>
+        <para>
+          A new module was added for the
+          <link xlink:href="https://starship.rs/">Starship</link> shell
+          prompt, providing the options
+          <literal>programs.starship.enable</literal> and
+          <literal>programs.starship.settings</literal>.
+        </para>
+      </listitem>
     </itemizedlist>
   </section>
 </section>

nixos/doc/manual/release-notes/rl-2205.section.md

@@ -148,3 +148,6 @@ In addition to numerous new and upgraded packages, this release has the followin
 - The option `services.thelounge.plugins` has been added to allow installing plugins for The Lounge. Plugins can be found in `pkgs.theLoungePlugins.plugins` and `pkgs.theLoungePlugins.themes`.
 
 - The `firmwareLinuxNonfree` package has been renamed to `linux-firmware`.
+
+- A new module was added for the [Starship](https://starship.rs/) shell prompt,
+  providing the options `programs.starship.enable` and `programs.starship.settings`.

nixos/modules/module-list.nix

@@ -198,6 +198,7 @@
   ./programs/ssmtp.nix
   ./programs/sysdig.nix
   ./programs/systemtap.nix
+  ./programs/starship.nix
   ./programs/steam.nix
   ./programs/sway.nix
   ./programs/system-config-printer.nix

nixos/modules/programs/starship.nix

@@ -0,0 +1,51 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+  cfg = config.programs.starship;
+
+  settingsFormat = pkgs.formats.toml { };
+
+  settingsFile = settingsFormat.generate "starship.toml" cfg.settings;
+
+in {
+  options.programs.starship = {
+    enable = mkEnableOption "the Starship shell prompt";
+
+    settings = mkOption {
+      inherit (settingsFormat) type;
+      default = { };
+      description = ''
+        Configuration included in <literal>starship.toml</literal>.
+
+        See https://starship.rs/config/#prompt for documentation.
+      '';
+    };
+  };
+
+  config = mkIf cfg.enable {
+    programs.bash.promptInit = ''
+      if [[ $TERM != "dumb" && (-z $INSIDE_EMACS || $INSIDE_EMACS == "vterm") ]]; then
+        export STARSHIP_CONFIG=${settingsFile}
+        eval "$(${pkgs.starship}/bin/starship init bash)"
+      fi
+    '';
+
+    programs.fish.promptInit = ''
+      if test "$TERM" != "dumb" -a \( -z "$INSIDE_EMACS" -o "$INSIDE_EMACS" = "vterm" \)
+        set -x STARSHIP_CONFIG ${settingsFile}
+        eval (${pkgs.starship}/bin/starship init fish)
+      end
+    '';
+
+    programs.zsh.promptInit = ''
+      if [[ $TERM != "dumb" && (-z $INSIDE_EMACS || $INSIDE_EMACS == "vterm") ]]; then
+        export STARSHIP_CONFIG=${settingsFile}
+        eval "$(${pkgs.starship}/bin/starship init zsh)"
+      fi
+    '';
+  };
+
+  meta.maintainers = pkgs.starship.meta.maintainers;
+}

pkgs/tools/misc/starship/default.nix

@@ -44,6 +44,6 @@ rustPlatform.buildRustPackage rec {
     description = "A minimal, blazing fast, and extremely customizable prompt for any shell";
     homepage = "https://starship.rs";
     license = licenses.isc;
-    maintainers = with maintainers; [ bbigras davidtwco Br1ght0ne Frostman marsam ];
+    maintainers = with maintainers; [ bbigras danth davidtwco Br1ght0ne Frostman marsam ];
   };
 }