nascleanup + autoThumbs: flatten indexer layout, SMB rm, recursive tmp

extract_eadir_to_tmp.sh

@@ -3,7 +3,7 @@
 # Extract existing Synology thumbnails from @eaDir into eaDir_tmp so thumbgen skips regeneration
 # Usage: ./extract_eadir_to_tmp.sh /volume1/YourShare/path
 
-set -euo pipefail
+set -uo pipefail
 
 if [ $# -eq 0 ]; then
     echo "Usage: $0 <directory_path>"
@@ -20,8 +20,8 @@ fi
 echo "=== Extracting @eaDir thumbnails to eaDir_tmp ==="
 echo "Target: $TARGET_DIR"
 
-# For every @eaDir/<name> directory, copy known thumbnail files to eaDir_tmp/<name>
-find "$TARGET_DIR" -type d -name '@eaDir' -print0 | while IFS= read -r -d '' EADIR; do
+# Only TARGET_DIR/@eaDir (not nested .../@eaDir/.../@eaDir from bad prior runs; those hit chmod 555 parents)
+find "$TARGET_DIR" -mindepth 1 -maxdepth 1 -type d -name '@eaDir' -print0 | while IFS= read -r -d '' EADIR; do
     PARENT_DIR="$(dirname "$EADIR")"
 
     # Each immediate subdir under @eaDir corresponds to a source filename
@@ -29,7 +29,7 @@ find "$TARGET_DIR" -type d -name '@eaDir' -print0 | while IFS= read -r -d '' EAD
         BASENAME="$(basename "$ENTRY")"
         DEST_DIR="$PARENT_DIR/eaDir_tmp/$BASENAME"
 
-        mkdir -p "$DEST_DIR"
+        mkdir -p "$DEST_DIR" || continue
 
         # Copy without overwriting existing files in eaDir_tmp
         for F in \
@@ -48,4 +48,3 @@ done
 
 echo "=== Done. Existing thumbnails copied into eaDir_tmp where available. ==="
 
-