#!/bin/bash
# 
# Updates the gogs server.
GOGS_USER=fdamstra
GOGS_PARENT_DIR=$GOPATH/src/github.com/gogits/
GOGS_DIR=$GOGS_PARENT_DIR/gogs
VERSION=$($GOGS_DIR/gogs -v | awk '{print $3}')

if [ "`whoami`" != "$GOGS_USER" ]; then
	echo "Script must be run as the GOGS user: $GOGS_USER."
	exit -1
fi

echo UPGRADEGOGS: Making full backup of $GOGS_DIR into $GOGS_PARENT_DIR/gogs.$VERSION
cp -r $GOGS_DIR $GOGS_PARENT_DIR/gogs.`$GOGS_DIR/gogs -v`
echo UPGRADEGOGS: Backup completed.

echo "UPGRADEGOGS: Updating source..."
go get -u github.com/gogits/gogs
echo "UPGRADEGOGS: Source updated."

cd $GOGS_DIR
echo UPGRADEGOGS: Renaming gogs executable to gogs.$VERSION
mv gogs gogs.$VERSION
echo UPGRADEGOGS: Done.

echo UPGRADEGOGS: Building gogs.
go build
echo UPGRADEGOGS: Completed

echo 'UPGRADEGOGS: Restarting supervisor (using sudo):'
sudo service supervisor restart
echo 'UPGRADEGOGS: Done'

NEW_VERSION=$($GOGS_DIR/gogs -v | awk '{print $3}')
echo ""
echo "UPGRADEGOS COMPLETE: Old version: $VERSION; New Version: $NEW_VERSION"