Copy directories while preserving metadata::annotation (Caja Notes)

copy-dir-with-annotation.sh

#!/bin/bash
#
# Copy directories while preserving metadata::annotation
# (C) 2019 gm10
#
if [[ -z $1 || -z $2 ]]; then
    echo "Usage: $(basename $0) <source-directory> <target-directory>"
    exit
fi
if [[ ! -d $1 ]]; then
  echo "Source must be a directory"
  exit
fi
if [[ -e $2 ]]; then
  if [[ ! -d $2 ]]; then
    echo "Destination must be a directory"
    exit
  fi
else
  mkdir -p "$2"
fi
_SOURCE=$1
_DEST=$2
export _SOURCE
export _DEST
cp -a "$1"/* "$2"
find "$1" -exec bash -c '
  for f do
    annotation=$(gio info -a metadata::annotation "$f"|grep metadata::annotation|awk -F '\''metadata::annotation: '\'' '\''{print $2;}'\'')
    [[ ! -z $annotation ]] && gio set "${_DEST}/${f#"$_SOURCE"}" metadata::annotation "$annotation"
  done
' {} +

This script doesn't find any metadata::annotation on Linux Mint 19.3

The reason seems to be a problem with gio 2.69.1 on Mint 19.3.

gio 2.56.4 on Mint 19.2 works.

Correction: the original version of 19.3, gio 2.56.4, works.

copy-dir-with-annotation.sh truncates multi line notes to one-liners.