#!/bin/bash

GITEALATESTVERSION="$(curl https://dl.gitea.com/gitea/version.json 2>/dev/null | jq -r .latest.version)"

#GITEALATESTVERSION="1.20"

GITEALATESTFILE="gitea-${GITEALATESTVERSION}-linux-amd64"
GITEALATESTURLXZ="https://dl.gitea.com/gitea/${GITEALATESTVERSION}/${GITEALATESTFILE}.xz"
GITEALATESTURLXZASC="https://dl.gitea.com/gitea/${GITEALATESTVERSION}/${GITEALATESTFILE}.xz.asc"

GITEALOCALAPPBIN="/opt/gitea/app/bin"

#echo $GITEALATESTURLXZASC
#exit

	jq --version > /dev/null 2>&1 || {
		echo "Command jq not found"
		exit 1
	}

	if [ ! -d "${GITEALOCALAPPBIN}" ]; then
		echo "Directory ${GITEALOCALAPPBIN} not found"
		exit 1
	fi


	while true; do
		if [ -f "${GITEALOCALAPPBIN}/${GITEALATESTFILE}.xz" ]; then
			echo "Gitea version ${GITEALATESTVERSION} exists"
			exit 0
		fi

	#	gpg --keyserver keys.openpgp.org --recv 7C9E68152594688862D62AF62D9AE806EC1592E2

	#	gpg --verify gitea-1.20-linux-amd64.xz.asc gitea-1.20-linux-amd64.xz && {
	#		echo ok
	#	} || {
	#		echo no
	#	}

		break
	done

	echo "Download gitea version ${GITEALATESTVERSION}"

	curl "${GITEALATESTURLXZ}" 2>/dev/null > "${GITEALOCALAPPBIN}/${GITEALATESTFILE}.xz.part" && {
		echo "Success"
		mv "${GITEALOCALAPPBIN}/${GITEALATESTFILE}.xz.part" "${GITEALOCALAPPBIN}/${GITEALATESTFILE}.xz"
	} || {
		echo "Failed"
		rm "${GITEALOCALAPPBIN}/${GITEALATESTFILE}.xz.part"
		exit 1
	}

	echo "Extract gitea version ${GITEALATESTVERSION}"

	xz -cd "${GITEALOCALAPPBIN}/${GITEALATESTFILE}.xz" > "${GITEALOCALAPPBIN}/${GITEALATESTFILE}.part" && {
		echo "Success"
		mv "${GITEALOCALAPPBIN}/${GITEALATESTFILE}.part" "${GITEALOCALAPPBIN}/${GITEALATESTFILE}"
	} || {
		echo "Failed"
		rm "${GITEALOCALAPPBIN}/${GITEALATESTFILE}"
		exit 1
	}

	chmod +x "${GITEALOCALAPPBIN}/${GITEALATESTFILE}"