feat: add starship module that allows 3-nested maps and use my starship patch

users/modules/config/shell/starship-module.nix

@@ -0,0 +1,154 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+with lib; let
+  cfg = config.programs.starship;
+
+  tomlFormat = pkgs.formats.toml {};
+
+  starshipCmd = "${config.home.profileDirectory}/bin/starship";
+in {
+  meta.maintainers = [];
+
+  options.programs.starship = {
+    enable = mkEnableOption "starship";
+
+    package = mkOption {
+      type = types.package;
+      default = pkgs.starship;
+      defaultText = literalExpression "pkgs.starship";
+      description = "The package to use for the starship binary.";
+    };
+
+    settings = mkOption {
+      type = with types; let
+        prim = either bool (either int str);
+        primOrPrimAttrs = either prim (attrsOf prim);
+        entry = either prim (listOf primOrPrimAttrs);
+        entryOrAttrsOf = t: either entry (attrsOf t);
+        entries = entryOrAttrsOf (entryOrAttrsOf (entryOrAttrsOf entry));
+      in
+        attrsOf entries // {description = "Starship configuration";};
+      default = {};
+      example = literalExpression ''
+        {
+          add_newline = false;
+          format = lib.concatStrings [
+            "$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 = ''
+        source ${config.xdg.cacheHome}/starship/init.nu
+      '';
+    };
+  };
+}

users/modules/config/shell/starship.nix

@@ -1,6 +1,28 @@
-{lib, ...}: {
+{
+  lib,
+  pkgs,
+  ...
+}: {
+  disabledModules = ["programs/starship.nix"];
+  imports = [./starship-module.nix];
+
   programs.starship = {
     enable = true;
+    package = let
+      src = pkgs.fetchFromGitHub {
+        owner = "oddlama";
+        repo = "starship";
+        rev = "feat-more-dynamic-username-and-hostname";
+        hash = "sha256-me6GC1NTSEfdTdSbhwbmwMlzIhSmcs1PSUFCWu+2LG0=";
+      };
+    in
+      pkgs.starship.overrideAttrs (_finalAttrs: previousAttrs: {
+        inherit src;
+        cargoDeps = previousAttrs.cargoDeps.overrideAttrs (_: {
+          inherit src;
+          outputHash = "sha256-L4N55ghbPsBrESRK0vHGDSDytFCnib7ghoMKnWFIZvw=";
+        });
+      });
     settings = {
       add_newline = false;
       format = lib.concatStrings [
@@ -21,18 +43,18 @@
         "($rust )"
         "$time"
       ];
-
       username = {
         format = "[$user]($style) ";
-        style_root = "red";
+        show_if_root = false;
-        style_user = "cyan";
+        show_if_ssh = false;
-        show_always = true;
+        style = "yellow";
       };
       hostname = {
         format = "[$hostname]($style)[$ssh_symbol](green)";
         ssh_only = false;
         ssh_symbol = " 󰣀";
-        style = "cyan";
+        style = "bold purple";
+        user_overrides.root.style = "bold red";
       };
       directory = {
         format = "[$path]($style)[$read_only]($read_only_style)";

users/modules/config/shell/zsh/default.nix

@@ -3,6 +3,9 @@
   pkgs,
   ...
 }: {
+  # Needed in path for zsh-histdb
+  home.packages = [pkgs.sqlite];
+
   programs.zsh = {
     enable = true;
     envExtra = ''
@@ -15,19 +18,22 @@
       size = 1000000;
     };
     initExtra = lib.readFile ./zshrc;
+    initExtraFirst = ''
+      HISTDB_FILE=''${XDG_DATA_HOME-$HOME/.local/share}/zsh/history.db
+    '';
     plugins = [
       {
         # Must be before plugins that wrap widgets, such as zsh-autosuggestions or fast-syntax-highlighting
         name = "fzf-tab";
-        src = pkgs.zsh-fzf-tab;
+        src = "${pkgs.zsh-fzf-tab}/share/fzf-tab";
       }
       {
         name = "fast-syntax-highlighting";
-        src = pkgs.zsh-fast-syntax-highlighting;
+        src = "${pkgs.zsh-fast-syntax-highlighting}/share/zsh/site-functions";
       }
       {
         name = "zsh-autosuggestions";
-        src = pkgs.zsh-autosuggestions;
+        src = "${pkgs.zsh-autosuggestions}/share/zsh-autosuggestions";
       }
       {
         name = "zsh-histdb";