#!/bin/bash

if [ "$#" = 0 ]
then
	app_root="/home/git/gitea/gitea"
else
	app_root=$1
fi

/usr/bin/which lynx > /dev/null 2>&1
if [ ! $? = 0 ]
then
	echo "lynx ist nicht installiert"
	exit 1
fi

if [ -e "$app_root" ] 
then
	gitea_local_version=$($app_root --version | awk '{print $3}')
else
	echo "$app_root does not exist. exit"
	exit 1
fi


gitea_remote_version=$(curl --silent https://github.com/go-gitea/gitea/releases | grep "/releases/tag" | grep -v "\-rc" | grep -v "\-dev" | cut -d ">" -f 2 | cut -d "<" -f 1 | head -n 1)
#gitea_remote_version=$(curl --silent https://github.com/go-gitea/gitea/releases | grep "css-truncate-target" | grep -v "\-rc" | cut -d "v" -f 2 | cut -d "<" -f 1 | head -n 1)

if [ "$gitea_local_version" = "$gitea_remote_version" ]
then
	echo "gitea ist up-to-date - installed version: $gitea_local_version; newest version: $gitea_remote_version"
	exit 0
else
	#Warnung wird ausgegeben
	echo "different version - installed version: $gitea_local_version; newest version: $gitea_remote_version"
	exit 1
fi