Import setup scripts.

nixos-setup/fs-diff.sh

@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+# fs-diff.sh
+set -euo pipefail
+
+mkdir -p /mnt/root-blank
+mount -o subvol=root-blank /dev/mapper/luksroot /mnt/root-blank
+OLD_TRANSID=$(btrfs subvolume find-new /mnt/root-blank 9999999)
+OLD_TRANSID=${OLD_TRANSID#transid marker was }
+
+sudo btrfs subvolume find-new / "$OLD_TRANSID" |
+sed '$d' |
+cut -f17- -d' ' |
+sort |
+uniq |
+while read path; do
+  path="/$path"
+  if [ -L "$path" ]; then
+    : # The path is a symbolic link, so is probably handled by NixOS already
+  elif [ -d "$path" ]; then
+    : # The path is a directory, ignore
+  else
+    echo "$path"
+  fi
+done
+
+umount /mnt/root-blank