some notes on how we couldn't make it smaller

modules/s6/default.nix

@@ -1,7 +1,6 @@
 { config, pkgs, ... }:
 let
   inherit (pkgs)
-    busybox
     execline
     s6
     s6-init-bin
@@ -16,12 +15,11 @@ let
     name = "s6-scripts";
     src = ./scripts;
     phases = ["unpackPhase" "installPhase" ];
-    buildInputs = [busybox];
+    buildInputs = [];
     installPhase = ''
       mkdir $out
       cp -r $src $out/scripts
       chmod -R +w $out
-      patchShebangs $out/scripts
     '';
   };
   service = dir  {

modules/s6/scripts/rc.init

@@ -1,4 +1,4 @@
-#!/usr/bin/env sh
+#!/bin/sh
 
 rl="$1"
 shift

modules/s6/scripts/rc.shutdown

@@ -1,4 +1,4 @@
-#!/usr/bin/env sh
+#!/bin/sh
 
 
 ### Things to do before hardware halt/reboot/poweroff.

modules/s6/scripts/rc.shutdown.final

@@ -1,4 +1,4 @@
-#!/nix/store/xbdqbi2mscmhl5wcpbgpjdwxbsrvpkil-bash-5.1-p16/bin/sh -e
+#!/bin/sh -e
 
 ### Things to do *right before* the machine gets rebooted or
 ### powered off, at the very end of the shutdown sequence,

modules/s6/scripts/runlevel

@@ -1,4 +1,4 @@
-#!/usr/bin/env sh -e
+#!/bin/sh -e
 
 ### This script is called once at boot time by rc.init, and is
 ### also called by the runleveld service every time the user

overlay.nix

@@ -7,11 +7,35 @@ let
     preBuild = ''
       makeFlagsArray+=(PLAT="posix" SYSLIBS="-Wl,-E -ldl"  CFLAGS="-O2 -fPIC -DLUA_USE_POSIX -DLUA_USE_DLOPEN")
     '';
-
+    # lua in nixpkgs has a postInstall stanza that assumes only
+    # one output, we need to override that if we're going to
+    # convert to multi-output
+    # outputs = ["bin" "man" "out"];
     makeFlags =
       builtins.filter (x: (builtins.match "(PLAT|MYLIBS).*" x) == null)
         o.makeFlags;
   });
+  s6 = prev.s6.overrideAttrs(o:
+    let patch = fetchpatch {
+          # add "p" directive in s6-log
+          url = "https://github.com/skarnet/s6/commit/ddc76841398dfd5e18b22943727ad74b880236d3.patch";
+          hash = "sha256-fBtUinBdp5GqoxgF6fcR44Tu8hakxs/rOShhuZOgokc=";
+        };
+        config = builtins.filter
+          (x: (builtins.match ".*shared.*" x) == null)
+          o.configureFlags;
+        patch_needed = builtins.compareVersions o.version "2.11.1.2" <= 0;
+    in {
+      configureFlags = config ++ [
+        "--disable-allstatic"
+        "--disable-static"
+        "--enable-shared"
+      ];
+      stripAllList = [ "sbin" "bin" ];
+      patches =
+        (if o ? patches then o.patches else []) ++
+        (if patch_needed then [ patch ] else []);
+    });
 in
 extraPkgs // {
   mtdutils = prev.mtdutils.overrideAttrs(o: {
@@ -20,6 +44,9 @@ extraPkgs // {
     ];
   });
 
+  # openssl is reqired by ntp
+
+
   rsyncSmall = prev.rsync.overrideAttrs(o: {
     configureFlags = o.configureFlags ++ [
       "--disable-openssl"
@@ -62,18 +89,17 @@ extraPkgs // {
 
   luaSmall = let s = lua_no_readline.override { self = s; }; in s;
 
-  s6 = prev.s6.overrideAttrs(o:
+  inherit s6;
-    let patch = fetchpatch {
+  s6-linux-init = prev.s6-linux-init.override {
-          # add "p" directive in s6-log
+    skawarePackages = prev.skawarePackages // {
-          url = "https://github.com/skarnet/s6/commit/ddc76841398dfd5e18b22943727ad74b880236d3.patch";
+      inherit s6;
-          hash = "sha256-fBtUinBdp5GqoxgF6fcR44Tu8hakxs/rOShhuZOgokc=";
+    };
-        };
+  };
-        patch_needed = builtins.compareVersions o.version "2.11.1.2" <= 0;
+  s6-rc = prev.s6-rc.override {
-    in {
+    skawarePackages = prev.skawarePackages // {
-      patches =
+      inherit s6;
-        (if o ? patches then o.patches else []) ++
+    };
-        (if patch_needed then [ patch ] else []);
+  };
-    });
 
   nftables = prev.nftables.overrideAttrs(o: {
     configureFlags = [