#!/bin/bash

######################################################################
#
#  Copyright (c) 2015 arakasi72 (https://github.com/arakasi72)
#
#  --> Licensed under the MIT license: http://www.opensource.org/licenses/mit-license.php
#
######################################################################

PATH=/usr/local/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/bin:/sbin

if [ "$(id -u)" != "0" ]; then
  echo "Must be run as root, directly or with sudo"
  exit 1
fi

if [ ! -d /etc/rtinst ]; then
  git clone https://github.com/arakasi72/rtinst.git /etc/rtinst
fi

cd /etc/rtinst

branch=$(git symbolic-ref --short HEAD 2>/dev/null)

if [ -z $branch ]; then
  echo "Not in a branch, this is a fixed release"
  echo "Run rtsetup to switch to master release"
  exit
fi

if [ $(git ls-remote --heads https://github.com/arakasi72/rtinst.git $branch | wc -l) -eq 0 ]; then
  echo "$branch no longer appears to exist"
  echo "run rtsetup to reset branch"
else
  git fetch --all
  git reset --hard origin/$branch 2>&1 >> /dev/null
  git pull origin $branch

  ln -sf /etc/rtinst/scripts/* /usr/local/bin
  ln -sf /etc/rtinst/rtsetup /usr/local/bin
fi