#!/bin/bash
# GNU AGPLv3+

set -ex

BINDIR=/srv/gitea/bin
GITEA_HOME=/srv/gitea
export GITEA_WORK_DIR=/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-$VERSION-linux-amd64
        chown git.git gitea-$VERSION-linux-amd64
        ln --force gitea-$VERSION-linux-amd64 gitea

        # Start.
        #systemctl start gitea
    fi
fi