chroot_version_hooks.d/178_merge_distdir

# Copyright 2020 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.

# We changed the distfile download dirs to a combined one, so move the old
# content up to the common location.

# Delete the old symlinks.
sudo rm -f /var/lib/portage/distfiles /var/lib/portage/distfiles-target

# Merge the content.
echo "Merging old distfiles paths"
cd /var/cache/distfiles
for srcdir in target host; do
  if [[ ! -d "${srcdir}" ]]; then
    continue
  fi

  echo "  ${srcdir} ..."
  # Merge the two git subdirs.
  for gitdir in egit-src git3-src; do
    mkdir -p "${gitdir}"
    if [[ -d "${srcdir}/${gitdir}" ]]; then
      for d in $(find "${srcdir}/${gitdir}/" -mindepth 1 -maxdepth 1 -type d \
                   -printf '%f\n'); do
        if [[ ! -d "${gitdir}/${d}" ]]; then
          mv "${srcdir}/${gitdir}/${d}" "${gitdir}/" || exit 1
        fi
      done
    fi
  done

  # Clear all the subdirs now that they're migrated.
  sudo rm -rf "${srcdir}"/*/

  # Merge the files.
  rm -f "${srcdir}"/*._checksum_failure_.*
  for f in "${srcdir}"/*; do
    if [[ -e "${f}" && ! -e "${f##*/}" ]]; then
      mv "${f}" ./ || exit 1
    fi
  done

  # Delete the dir.
  sudo rm -rf "${srcdir}" || exit 1
done