chroot_version_hooks.d/162_post_protobuf_upgrade

# Copyright 2019 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.

# Clean local portage caches. This is necessary if there are
# cros_workon packages.
sudo rm -rf /var/cache/portage/* /build/*/var/cache/portage/*

# Clean board packages.
for board_root in /build/* ; do
  board=${board_root##*/}
  [[ "${board}" == "bin" || "${board}" == "dev" || \
     "${board}" == "proc" ]] && continue

  # Find packages using  either protobuf or grpc.
  PKGS=( $(qdepends-${board} -qCN -Q dev-libs/protobuf && \
         qdepends-${board} -qCN -Q net-libs/grpc | sort -u))
  if [[ ${#PKGS[@]} -eq 0 ]]; then
    continue
  fi

  echo "Cleaning packages using protobuf or grpc from ${board}"
  PKGDIR=$(portageq-${board} envvar PKGDIR)
  cd "${PKGDIR}"
  # Remove existing binary packages.
  for pkg in "${PKGS[@]}"; do
    sudo rm -f "${pkg}"-[0-9]*.tbz2
  done
  # Unmerge all packages using either protobuf or grpc.
  qmerge-${board} -Uqy "${PKGS[@]}"
done