silly uki image with the systemd-ukify tooling

flake.nix

@@ -42,7 +42,7 @@
             cp -r ${self.packages.${system}.systemd.out}/* out/
             pushd out
 
-            chmod 755 etc usr/lib
+            chmod 755 etc usr/lib usr/bin
 
             mkdir -p dev proc sys tmp root
             ln -sf usr/bin bin
@@ -115,9 +115,8 @@
             EOF
             chmod 644 ./etc/group
 
-            chmod 755 ./usr/bin
+            # install busybox
             cp ${pkgs.busybox.out}/bin/busybox ./usr/bin/
-            # symlink busy box
             ./usr/bin/busybox --list | while read f; do
               ln -sf busybox ./usr/bin/$f
             done