updater_openfortivpn.sh

#!/bin/bash
check_only="${1}"
set -e
# set -x
#latest="$(wget https://github.com/adrienverge/openfortivpn/releases -qO - | grep muted | grep gz | head -n 1 | sed 's/.*href=["'\'']\([^"'\'']\+\).*/\1/')"
latest="$(wget https://github.com/adrienverge/openfortivpn/tags -qO - | grep muted | grep gz | head -n 1 | sed 's/.*href=["'\'']\([^"'\'']\+\).*/\1/')"
latest="${latest##*/}"
latest="${latest:0:-7}"

if [ -f files_extra/openfortivpn ];then
    current_version="$(strings files_extra/openfortivpn | grep -E 'openfortivpn .*[0-9]' | awk '{print $2}' )"
else
    if [ -n "${check_only}" ]; then
        echo "File missing"
        exit 0
    fi
fi
if [ -n "$current_version" ] && [[ "$latest" =~ $current_version ]]; then
    echo "Already at the latest version: $current_version"
else
    if [ -n "${check_only}" ]; then
        echo "Needs upgrade"
    else
        echo "getting the latest version"
        DOCKER_BUILDKIT=1 docker build --force-rm --rm --pull -f files_extra/openfortivpn_builder.Dockerfile --build-arg "OPENFORTIVPN_VERSION=${latest}" -t ofv_builder .
        docker create --name ofv_builder ofv_builder
        docker cp ofv_builder:/bin/openfortivpn files_extra/
        docker rm ofv_builder 
        docker rmi ofv_builder
    fi
fi