#!/bin/bash

# Copyright (c) 2009 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

usage() {
  echo "Usage: $0 <svn-revision> [gclient-file]"
}

die() {
  echo "dying: $*"
  exit 1
}

if [[ $# -lt 1 ]]; then
  usage
  exit 0
fi

function update_mirror() {
  [ -z "${LOCALMIRROR}" ] && return 0

  echo -n "Update local mirror? [yn] "
  read n
  if [[ "$n" == "y" ]]; then
    cp "o3d-svn-${SVNREV}.tar.gz" ${LOCALMIRROR}
    chmod a+r "${LOCALMIRROR}/o3d-svn-${SVNREV}.tar.gz"
  fi
}

function download_stuff() {
  FILESDIR=`dirname $0`
  SVNREV=$1
  GCLIENT=${2-"${FILESDIR}/plugin-only.gclient"}

  if [[ ! -f "${GCLIENT}" ]]; then
    echo "Can't read ${GCLIENT}"
    exit 1
  fi

  # Grab the fully-qualified path to the .gclient file, since we are going to
  # change directories.
  GCLIENT=$(readlink -e "${GCLIENT}")

  mkdir o3d-${SVNREV} || die "Can't create work directory"
  cd o3d-${SVNREV}
  cp "${GCLIENT}" .gclient
  gclient sync --revision o3d@${SVNREV} --force --nohooks
  find . -name .svn -type d | xargs rm -rf
  cd ..
  tar -cvzf o3d-svn-${SVNREV}.tar.gz o3d-${SVNREV}
}

download_stuff "$@"
update_mirror