#!/bin/bash

set -ex

BINDIR=/srv/gitea/bin
GITEA_HOME=/srv/gitea

cd $BINDIR

if [ -z "$1" ]; then
    echo "Need version value."
else
    #
    VERSION="$1"
    
    # Verify.
    if ./gitea --version | grep -q "version $VERSION " ; then
	echo "Same version."
    else
	# Download.
	wget https://dl.gitea.io/gitea/$VERSION/gitea-$VERSION-linux-amd64
	wget https://dl.gitea.io/gitea/$VERSION/gitea-$VERSION-linux-amd64.asc
	wget https://dl.gitea.io/gitea/$VERSION/gitea-$VERSION-linux-amd64.sha256
	sha256sum -c gitea-$VERSION-linux-amd64.sha256
	# gpg --keyserver keys.openpgp.org --recv 7C9E68152594688862D62AF62D9AE806EC1592E2
	gpg --verify gitea-$VERSION-linux-amd64.asc gitea-$VERSION-linux-amd64

	# Stop.
	systemctl stop gitea
	
	# Dump.
	su - git -c "cd /srv/gitea/bin ; $BINDIR/gitea dump --tempdir $GITEA_HOME/tmp/ -c /etc/gitea/gitea.ini"

	# Upgrade.
	chmod u+x gitea-$VERSION-linux-amd64
	chown git.gitea gitea-$VERSION-linux-amd64
	ln --force gitea-$VERSION-linux-amd64 gitea

	# Start.
	#systemctl start gitea
    fi
fi