do not expand symlinks

overlaycached

@@ -52,26 +52,26 @@ USAGEEOF
         esac
     done
     shift $((OPTIND -1))
-    [ -z "$SSHFS" ] && LOWER_DIR="$(realpath $1)" && shift 1
-    $MOVE || { UPPER_DIR="$(realpath $1)" && shift 1; }
-    MOUNT_DIR="$(realpath $1)"
+    [ -z "$SSHFS" ] && LOWER_DIR="$(realpath -s $1)" && shift 1
+    $MOVE || { UPPER_DIR="$(realpath -s $1)" && shift 1; }
+    MOUNT_DIR="$(realpath -s $1)"
     trap cleanup EXIT
     if $MOVE; then
-        UPPER_DIR="$(realpath "$MOUNT_DIR").upper"
-        WORK_DIR="$(realpath "$MOUNT_DIR").work"
+        UPPER_DIR="$(realpath -s "$MOUNT_DIR").upper"
+        WORK_DIR="$(realpath -s "$MOUNT_DIR").work"
         set -x
         mv "$MOUNT_DIR" "$UPPER_DIR"
         mkdir -p "$MOUNT_DIR"
         set +x
     else
-        WORK_DIR="$(realpath "$UPPER_DIR").work"
+        WORK_DIR="$(realpath -s "$UPPER_DIR").work"
     fi
     mkdir -p "$WORK_DIR"
     CLEANUP_DIRS=(
         "$WORK_DIR"
     )
     if [ ! -z "$SSHFS" ]; then
-        LOWER_DIR="$(realpath "$MOUNT_DIR").sshfs"
+        LOWER_DIR="$(realpath -s "$MOUNT_DIR").sshfs"
         mkdir -p "$LOWER_DIR"
         SSHFS_OPTS="-oauto_cache,reconnect,no_readahead,allow_other"
         set -x
@@ -91,7 +91,7 @@ handle_inotify_event(){
     do 
         [[ "$EVT" =~ "ISDIR" ]] && continue
         echo "$DIR $EVT $FILE"
-        local RELPATH="$(realpath --relative-to="$MOUNT_DIR" "$DIR")/$FILE"
+        local RELPATH="$(realpath -s --relative-to="$MOUNT_DIR" "$DIR")/$FILE"
 
         [[ "$EVT" =~ "CLOSE_NOWRITE" ]] && [ ! -f "$UPPER_DIR/$RELPATH" ] && {
             echo "$LOWER_DIR/$RELPATH" ">" "$MOUNT_DIR/$RELPATH"