#!/bin/bash

GITEA_BIN=`which gitea`
if [ "$GITEA_BIN" ==  "*gitea*" ]; then
    echo "Gitea is not installed..."
    exit 0
fi
GITEA_INSTALLED=`$GITEA_BIN --version | cut -d \  -f 3`

LATEST_URL=`curl -Ls -o /dev/null -w %{url_effective} https://github.com/go-gitea/gitea/releases/latest`
#https://github.com/go-gitea/gitea/releases/tag/v1.11.3

#echo LATEST_URL = ${LATEST_URL}
GITEA_VERSION=${LATEST_URL##*/v}

if [ "${GITEA_INSTALLED}" != "${GITEA_VERSION}" ]; then
    echo "No update available..."
    exit 0
    
else
	echo "Installed: "${GITEA_INSTALLED}
	echo "Latest: "${GITEA_VERSION}


	a=$(echo -e "Do you wanna update Gitea to ${GITEA_VERSION} ? (y/n)")
	read -p "$a" choice
	
	if [ "$choice" == "y" ] || [ "$choice" == "Y" ]; then

		rm -rf /tmp/gitea
		mkdir /tmp/gitea
		cd /tmp/gitea
		
		sudo systemctl stop gitea
		
		echo "Download latest Gitea..."
		GITEA_ARCHIVE=gitea-${GITEA_VERSION}-linux-amd64.xz
		#DOWNLOAD_URL=https://github.com/go-gitea/gitea/releases/download/v${GITEA_VERSION}/gitea-${GITEA_VERSION}-linux-amd64.xz
		DOWNLOAD_URL=https://github.com/go-gitea/gitea/releases/download/v${GITEA_VERSION}/${GITEA_ARCHIVE}
		echo ${DOWNLOAD_URL}
		
		wget -P /tmp/gitea  ${DOWNLOAD_URL}
		# sudo opkg install xz
		# sudo opkg install tar (sinon tar: unrecognized option '--exclude=INFO.in')
		xz --decompress ${GITEA_ARCHIVE}
		
		echo "Installing Gitea ${GITEA_VERSION}..."
		filename="${GITEA_ARCHIVE%.*}"
		
		if [[ "$filename" =~ gitea ]]; then 
			mv $filename gitea
			sudo mv gitea `dirname "$GITEA_BIN"`
		fi
		sudo chmod +x ${GITEA_BIN}
		sudo chown root:root ${GITEA_BIN}
		
		sudo systemctl start gitea
		
		sudo systemctl status gitea

	fi
fi


exit 1