#!/usr/bin/env bash

. /etc/portage/make.conf

script="$0"

function mylog() {
  logger -t "$script" "${*}"
}

mylog "testing if other instances are running"

if [[ $(pgrep -f -c $(basename $0)) -gt 1 ]] ; then
      mylog "other instance still running"
      exit 1
fi

mylog "start building packages"
for atom in $(emerge -uDN --pretend --quiet world | grep ^'\[ebuild' | sed -e 's/.* \b\([a-z0-9\-]\+\/[\_A-Za-z\.0-9\-]\+\)\b.*/\1/g');
do
  PACKAGE_FILE="$PKGDIR/$atom.tbz2"
  if [[ ! -f "$PACKAGE_FILE"  ]]
  then
    #build one by one. This takes more time, however it builds all possible packages.
#    echo "building $atom "
    emerge --quiet --keep-going -B "=${atom}" &> /dev/null
    if [[ -f "$PACKAGE_FILE" ]]
    then
      SUCCESS="$SUCCESS $atom"
    else
      FAILURE="$atom $FAILURE"
    fi
  fi
done

if [[ -n "${SUCCESS}" ]]
then
  echo "Successfully build: ${SUCCESS}"
  mylog "Successfully build: ${SUCCESS}"
fi

if [[ -n "${FAILURE}" ]]
then
  echo "Build Failures: ${FAILURE}"
  mylog "Build Failures: ${FAILURE}"
fi