#!/bin/bash

getDeps() {
  local pkg="$1"
  local deps="$(grep "^# Depends on:" $pkg/Pkgfile | cut -d':' -f2-)"
  echo "${deps# *}"
}

getRecursiveDeps() {
  local pkg="$1"
  local deps="$(getDeps $pkg)"
  if [ -z "$deps" ]; then
    case $pkg in
      libgmp|libmpfr|libmpc|binutils|glibc|zlib|gcc)
        # discard these ports
        ;;
      *)
        if [ ! "$(echo $BUILD_ORDER | grep " ${pkg}")" ]; then
          BUILD_ORDER="$BUILD_ORDER $pkg"
        fi
	;;
    esac
  else
    for d in ${deps[@]}; do
      getRecursiveDeps "$d"
    done
    BUILD_ORDER="$BUILD_ORDER $pkg"
  fi
}

# global var to store all final deps order
BUILD_ORDER="libgmp libmpfr libmpc binutils glibc zlib gcc"

for f in *; do
  [ ! -d "$f" ] && continue
  case $f in
    libgmp|libmpfr|libmpc|binutils|glibc|zlib|gcc) continue ;;
  esac
  getRecursiveDeps "$f"
done

echo $BUILD_ORDER
echo

# End fo file