+if [ ! -e "$PEERTUBE_PATH/versions" -o ! -e "$PEERTUBE_PATH/config/production.yaml" ]; then
+ echo "Error - Couldn't find peertube installation in \"$PEERTUBE_PATH\""
+ echo ""
+ echo "If peertube was installed in another path, you can specify it with"
+ echo " ./upgrade.sh <PATH>"
+ exit 1
+fi
+
+
+# Backup database
+SQL_BACKUP_PATH="$PEERTUBE_PATH/backup/sql-peertube_prod-$(date +"%Y%m%d-%H%M").bak"
+mkdir -p $PEERTUBE_PATH/backup
+pg_dump -U peertube -W -h localhost -F c peertube_prod -f "$SQL_BACKUP_PATH"
+
+# Get and Display the Latest Version
+VERSION=$(curl -s https://api.github.com/repos/chocobozzz/peertube/releases/latest | grep tag_name | cut -d '"' -f 4)
+echo "Latest Peertube version is $VERSION"
+wget -q "https://github.com/Chocobozzz/PeerTube/releases/download/${VERSION}/peertube-${VERSION}.zip" -O "$PEERTUBE_PATH/versions/peertube-${VERSION}.zip"
+cd $PEERTUBE_PATH/versions
+unzip -o "peertube-${VERSION}.zip"
+rm -f "peertube-${VERSION}.zip"
+
+# Upgrade Scripts
+rm -rf $PEERTUBE_PATH/peertube-latest
+ln -s "$PEERTUBE_PATH/versions/peertube-${VERSION}" $PEERTUBE_PATH/peertube-latest
+cd $PEERTUBE_PATH/peertube-latest
+yarn install --production --pure-lockfile
+cp $PEERTUBE_PATH/peertube-latest/config/default.yaml $PEERTUBE_PATH/config/default.yaml
+
+echo "Differences in configuration files..."
+diff "$PEERTUBE_PATH/versions/peertube-${VERSION}/config/production.yaml.example" $PEERTUBE_PATH/config/production.yaml