#!/bin/sh

#check for modified path values and update if needed
#will not change existing custom entries
DISTRIB_TARGET=$(grep DISTRIB_TARGET /etc/openwrt_release|cut -d'=' -f2|tr -d "'")
DISTRIB_RELEASE=$(grep DISTRIB_RELEASE /etc/openwrt_release|cut -d'=' -f2|tr -d "'")
SERVER_PREFIX='http://downloads.arednmesh.org/'
SNAPSHOT_PREFIX='snapshots/'

getReleasePrefix()
{
  local PREFIX=""
  ccount=`expr "${DISTRIB_RELEASE}" : '[0-9]*\.[0-9]*\.[0-9]*\.[0-9]*'`
  if [ "$ccount" -ne 0 ]; then
    v1=$(echo ${DISTRIB_RELEASE} | cut -d'.' -f1)
    v2=$(echo ${DISTRIB_RELEASE} | cut -d'.' -f2)
    PREFIX="releases/${v1}/${v2}/${DISTRIB_RELEASE}/"  
  else
    PREFIX="${SNAPSHOT_PREFIX}"
  fi
  echo $PREFIX
}


defaultPackageRepos()
{
  repo=$1
  
  if [ "$repo" == "core" ]; then
    echo "${SERVER_PREFIX}${BUILD_PREFIX}targets/${DISTRIB_TARGET}/packages"
  else
    echo "${SERVER_PREFIX}${BUILD_PREFIX}packages/mips_24kc/${repo}"
  fi
}

checkPath()
{
  uciopt=$1
  repo=$2
  uci_val=$(/sbin/uci -c /etc/config.mesh get "aredn.@downloads[0].${uciopt}")
  default_val=$(eval defaultPackageRepos "${repo}")

  # is the current value different than the default?
  if [ "${uci_val}" != "${default_val}" ]; then
    # does the non-standard value START with downloads.arednmesh.org? if so, change it, if NOT, leave it.
    count=$(expr "${uci_val}" : "http:\\/\\/downloads.arednmesh.org\\/.*")
    if [ "${count}" -gt 0 ]; then  #starts with default server
      /sbin/uci set "aredn.@downloads[0].${uciopt}=${default_val}"
    fi
  fi
}

BUILD_PREFIX=$(eval getReleasePrefix)

# set
checkPath pkgs_core core
checkPath pkgs_base base
checkPath pkgs_arednpackages arednpackages
checkPath pkgs_luci luci
checkPath pkgs_packages packages
checkPath pkgs_routing routing
checkPath pkgs_telephony telephony

/sbin/uci commit aredn
cp /etc/config/aredn /etc/config.mesh