Fix running non shell programs

scripts/default.nix

@@ -3,22 +3,26 @@
   with pkgs;
   let
     import_script = (_: path: import (path) { inherit config pkgs lib; });
-    create_shell_app = (name: text: runtimeInputs: pkgs.writeShellApplication {
+    create_script = (name: text: runtimeInputs:
+      let
+        script_body = pkgs.writeTextFile {
+          inherit name;
+          executable = true;
+          text = ''
+            ${builtins.readFile text}
+          '';
+        };
+      in (pkgs.writeShellApplication {
         inherit name runtimeInputs;
-      text = (builtins.readFile text);
+        text = ''exec ${script_body} "$@"'';
         checkPhase = "";
-    });
+      })
-    create_shell_apps = lib.mapAttrs (name: deps: create_shell_app name ./${name} deps);
+    );
-  in create_shell_apps {
+    create_scripts =
+      lib.mapAttrs (name: deps: create_script name ./${name} deps);
+  in create_scripts {
     br = [ ];
-    bmenu = [
+    bmenu = [ bemenu dhist fish j4-dmenu-desktop jq sway ];
-      bemenu
-      dhist
-      fish
-      j4-dmenu-desktop
-      jq
-      sway
-    ];
   } // lib.mapAttrs import_script {
     wdmenu = ./wdmenu.nix;
     wlauncher = ./wlauncher.nix;