lass 4: add simpleScript

lass/4lib/default.nix

@@ -0,0 +1,20 @@
+{ lib, pkgs, ... }:
+
+let
+  krebs = import ../../krebs/4lib { inherit lib; };
+in
+
+with krebs;
+
+krebs // rec {
+
+  simpleScript = name: content:
+    pkgs.stdenv.mkDerivation {
+      inherit name;
+      phases = [ "installPhase" ];
+      installPhase = ''
+        mkdir -p $out/bin
+        ln -s ${pkgs.writeScript name content} $out/bin/${name}
+      '';
+    };
+}