set image license and right metadata to please Google

image.initmeta.sh

#!/bin/bash

if [ -z "$1" ]; then
    echo "Use: image.initmeta PHOTO"
    exit 1
fi

year="$(exiftool -s -EXIF:DateTimeOriginal "$1" | awk '{print $3}' | cut -d":" -f1)"
artist="Peter Molnar"
rights="CC BY-NC-ND 4.0 ${year} ${artist} <mail@petermolnar.net>"
url="https://petermolnar.net/"
email="mail@petermolnar.net"
licenseurl="https://spdx.org/licenses/CC-BY-NC-ND-4.0.html"

exiftool\
 	-EXIF:Artist="${artist}"\
 	-EXIF:Copyright="${rights}"\
	-IPTC:By-line="${artist}"\
	-IPTC:CopyrightNotice="${rights}"\
 	-XMP:CopyrightOwnerID="${url}"\
 	-XMP:CopyrightOwnerName="${artist}"\
 	-XMP:Creator="${artist}"\
 	-XMP:Rights="${rights}"\
	-xmp-plus:Licensor="{LicensorID=${url},LicensorName=${artist},LicensorURL=${url},LicensorEmail=${email}}"\
	-xmp-xmpRights:WebStatement="${licenseurl}"\
 	"$1"