#!/bin/bash

# update latest NextCloudPi code from github

{
  [ $(id -u) -ne 0 ] && { printf "Must be run as root. Try 'sudo $0'\n"; exit 1; }
  ping  -W 2 -w 1 -q github.com &>/dev/null || { echo "No internet connectivity"; exit 1; }
  echo -e "Downloading updates"
  rm -rf /tmp/ncp-update-tmp
  git clone --depth 20 -q https://github.com/nextcloud/nextcloudpi.git /tmp/ncp-update-tmp || exit 1
  cd /tmp/ncp-update-tmp

  echo -e "Performing updates"
  ./update.sh

  VER=$( git describe --always --tags | grep -oP "v\d+\.\d+\.\d+" )
  grep -qP "v\d+\.\d+\.\d+" <<< $VER && {       # check format
    echo $VER > /usr/local/etc/ncp-version
    echo $VER > /var/run/.ncp-latest-version
  }

  cd /
  rm -rf /tmp/ncp-update-tmp

  echo -e "NextCloudPi updated to version $VER"
  exit 
} # force to read the whole thing into memory, as its contents might change in update.sh