# Copyright (c) 2011 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.

# Make sure the BOARD_USE variable is set in make.conf.board_setup.
for board_root in /build/*; do
  board=$(basename "${board_root}")

  # Make sure this is a real board by looking for emerge-<board>.
  emerge_board=$(which emerge-${board} 2>/dev/null || true)
  if [ -x "${emerge_board}" ]; then
    board_setup="/build/${board}/etc/make.conf.board_setup"
    if [ -f "${board_setup}" ] && ! grep -q BOARD_USE "${board_setup}"; then
      sudo_append "${board_setup}" << EOF
BOARD_USE="${board}"
EOF
      info "Added BOARD_USE to ${board_setup}"
    fi
  fi
done

info "Chroot upgraded to version 9: Insert BOARD_USE in make.conf.board_setup"
exit 0