#!/bin/sh
set -eu

has() {
  command -v "$1" >/dev/null 2>&1
}

die() {
  echo $1 &>2
  exit 1
}

if has git; then
  echo "Git pull..."
  git pull origin master
else
  die "git not found. install git to use this script"
fi

reload_tinc() {
  echo "Reload tinc..."
  sudo tinc -c . reload
}

if [[ $EUID -ne 0 ]]; then
  if has sudo; then
    reload_tinc
  else
    die "run this script as root"
  fi
else
  reload_tinc
fi