#
# Tells Finder where a file was downloaded from
#
# List of spotlight metadata keys https://developer.apple.com/library/mac/#docum
#
# Authors:
#   josho
#

local url
local success

if (( $# < 2 )); then
  cat >&2 <<EOF
Usage: $0 <url> [file ...]
EOF
return 1
fi

url=$1
shift

while (( $# > 0 )); do
  if [[ -f "$1" ]]; then
    # A json plist containing the Downloaded from URL
    local plist='["'"$url"'"]'

    # Convert to a hexdump representation of a binary plist
    # In xxd set the max column count to avoid line breaks
    local binplist=`echo -n "$plist" | plutil -convert binary1 -o - - | xxd -p -c 256`

    xattr -wx 'com.apple.metadata:kMDItemWhereFroms' "$binplist" "$1"

  else
    print "$0: cannot read: $1" >&2
    success=1
  fi
  shift
done