xonsh:init

modules/modules.nix

@@ -254,6 +254,7 @@ let
     ./programs/wpaperd.nix
     ./programs/xmobar.nix
     ./programs/xplr.nix
+    ./programs/xonsh.nix
     ./programs/yambar.nix
     ./programs/yazi.nix
     ./programs/yt-dlp.nix

modules/programs/xonsh.nix

@@ -0,0 +1,64 @@
+{ config, lib, pkgs, ... }:
+let
+  cfg = config.programs.xonsh;
+  inherit (lib) types mkOption;
+in {
+  options.programs.xonsh = {
+    enable = lib.mkEnableOption "xonsh";
+
+    package = lib.mkPackageOption pkgs "xonsh" { };
+    finalPackage = lib.mkOption {
+      type = types.package;
+      internal = true;
+      description = "Package that will actually get installed";
+    };
+    xonshrc = mkOption {
+      type = types.lines;
+      default = "";
+      description = ''
+        The contents of .xonshrc
+      '';
+    };
+    pythonPackages = mkOption {
+      type = types.raw;
+      default = pkgs.pythonPackages;
+      defaultText = "pkgs.pythonPackages";
+      description = ''
+        The pythonPackages set extraPackages are taken from
+      '';
+    };
+    shellAliases = mkOption {
+      type = with types; attrsOf (listOf str);
+      default = { };
+      example = { ll = [ "ls" "-l" ]; };
+      description = ''
+        An attribute set that maps aliases (the top level attribute names in
+        this option) to commands
+      '';
+    };
+    extraPackages = mkOption {
+      type = with types; functionTo (listOf package);
+      default = _: [ ];
+      defaultText = "_: []";
+      description = ''
+        List of python packages and xontrib to make avaiable
+      '';
+    };
+  };
+  config = lib.mkIf cfg.enable {
+    home.packages = [ cfg.finalPackage ];
+    programs.xonsh = {
+      xonshrc = lib.mkMerge
+        (lib.mapAttrsToList (n: v: "aliases['${n}']=${builtins.toJSON v}")
+          cfg.shellAliases);
+      shellAliases = lib.mapAttrs (n: v: lib.mkDefault (lib.splitString " " v))
+        config.home.shellAliases;
+      finalPackage =
+        (cfg.package.override (old: { inherit (cfg) extraPackages; }));
+    };
+    xdg.configFile."xonsh/rc.xsh" = {
+      enable = cfg.xonshrc != "";
+      text = cfg.xonshrc;
+    };
+  };
+}