fullversion.sh

#!/bin/bash

min_version='17.0'

# version_greater_or_equal A B returns whether A >= B
function version_greater_or_equal() {
	[[ "$(printf '%s\n' "$@" | sort -V | head -n 1)" != "$1" || "$1" == "$2" ]];
}

fullversions=( $( curl -fsSL 'https://download.nextcloud.com/server/releases/' |tac|tac| \
	grep -oE 'nextcloud-[[:digit:]]+(\.[[:digit:]]+){2}' | \
	grep -oE '[[:digit:]]+(\.[[:digit:]]+){2}' | \
	sort -urV ) )
versions=( $( printf '%s\n' "${fullversions[@]}" | cut -d. -f1-2 | sort -urV ) )
for version in "${versions[@]}"; do
	fullversion="$( printf '%s\n' "${fullversions[@]}" | grep -E "^$version" | head -1 )"

	if version_greater_or_equal "$version" "$min_version"; then
			echo "$fullversion"
	fi
done