infra/common.sh

# Copyright (c) 2021, Google Inc. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
#   * Redistributions of source code must retain the above copyright
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#
#   * Redistributions in binary form must reproduce the above copyright
#     notice, this list of conditions and the following disclaimer in
#     the documentation and/or other materials provided with the
#     distribution.
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#   * Neither the name of Google nor the names of its contributors may
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#     without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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log_err() {
  echo "[$(date +'%Y-%m-%dT%H:%M:%S%z')]: $*" >&2
}

#######################################
# Create build directory. Build directory will be deleted if it exists.
# Outputs:
#   build dir path
# Returns:
#   mkdir result
#######################################
make_build_dir() {
  if [[ "$#" -ne 1 ]]; then
    return 1
  fi

  local build_dir
  build_dir="$1"
  [[ -d "${build_dir}" ]] && rm -rf "${build_dir}"
  mkdir -p "${build_dir}"
}

#######################################
# Cleanup files from the backup directory.
# Globals:
#   BUILD_DIR     build directory
#   LIBWEBM_ROOT  repository's root path
#######################################
cleanup() {
  # BUILD_DIR is not completely removed to allow for binary artifacts to be
  # extracted.
  find "${BUILD_DIR:?}" \( -name "*.[ao]" -o -name "*.l[ao]" \) -exec rm \
    -f {} +
  make -C "${LIBWEBM_ROOT:?}" -f Makefile.unix clean
}