#!/bin/bash

echo -e "UPDATE\t: $0 START `date`"

if [ "`whoami`" == "root" ]; then
    echo -e "ERROR\t: root detected. This script cannot be run as root"
    exit -1
fi

if [ "`id -u`" == "0" ]; then
    echo -e "UPDATE\t: superuser detected, switching to normal user"
    sudo -u `whoami` $0 $*
    RC=$?
    exit $RC
fi
echo -e "UPDATE\t: normal user detected"

echo -e "UPDATE\t: Retrieving latest github content..."
git checkout package-lock.json
git pull &> /tmp/git.log
RC=$?; if [ "$RC" != "0" ]; then 
    echo -e "ERROR\t: Could not update"
    cat /tmp/git.log
    exit $RC
fi
grep Already /tmp/git.log
RC=$?; if [ "$RC" == "0" ]; then
    if [ "$1" == "-f" ]; then
        echo -e "UPDATE\t: Your system is up-to-date. Forcing update..."
    else
        echo -e "UPDATE\t: Your system is up-to-date. No further action required"
        exit 0
    fi
fi
sync

DIR=`dirname $0`
${DIR}/update-latest $*

echo -e "UPDATE\t: $0 END `date`"