script-directory: add module (#3995)

modules/misc/news.nix

@@ -1033,6 +1033,12 @@ in
           defaults to 'pkgs.openssh'.
         '';
       }
+      {
+        time = "2023-05-18T21:03:30+00:00";
+        message = ''
+          A new module is available: 'programs.shell-directory'.
+        '';
+      }
     ];
   };
 }

modules/modules.nix

@@ -169,6 +169,7 @@ let
     ./programs/sagemath.nix
     ./programs/sbt.nix
     ./programs/scmpuff.nix
+    ./programs/script-directory.nix
     ./programs/senpai.nix
     ./programs/sioyek.nix
     ./programs/skim.nix

modules/programs/script-directory.nix

@@ -0,0 +1,31 @@
+{ config, pkgs, lib, ... }:
+let cfg = config.programs.script-directory;
+in {
+  meta.maintainers = [ lib.maintainers.janik ];
+
+  options.programs.script-directory = {
+    enable = lib.mkEnableOption "script-directory";
+
+    package = lib.mkPackageOptionMD pkgs "script-directory" { };
+
+    settings = lib.mkOption {
+      default = { };
+      type = lib.types.attrsOf lib.types.str;
+      example = lib.literalExpression ''
+        {
+          SD_ROOT = "''${config.home.homeDirectory}/.sd";
+          SD_EDITOR = "nvim";
+          SD_CAT = "lolcat";
+        }
+      '';
+      description = lib.mdDoc
+        "script-directory config, for options take a look at the [documentation](github.com/ianthehenry/sd#options)";
+    };
+  };
+  config = lib.mkIf cfg.enable {
+    home = {
+      packages = [ cfg.package ];
+      sessionVariables = cfg.settings;
+    };
+  };
+}