cq/scripts/helpers/generate_gn_helper.sh

#!/bin/bash
#
# Helper script to run generate_gn from the CQ (and python scripts in general)

function usage {
  echo "Usage: generate_gn_helper.sh <path-to-chromecast_build_env.sh> <gn-root-dir>"
  echo "chromecast_build_env.sh can be found at chromium/src/chromecast/internal/build"
  echo "gn-root-dir is usually chromium/src (but in general is where the .gn file is)"
}

function main {

  if [[ "$#" -ne 2 ]]; then
    usage
    exit 1
  fi

  local chromecast_build_env_script="$1"
  local gn_root_dir="$2"

  if [[ ! -e "${chromecast_build_env_script}" ]]; then
    echo "${chromecast_build_env_script} does not exist."
    usage
    exit 1
  fi

  if [[ ! -e "${gn_root_dir}" ]]; then
    echo "${gn_root_dir} does not exist."
    usage
    exit 1
  fi

  (
    # Source chromecast_build_env.sh to get generate_gn and setup_chrome_env_*
    . "${chromecast_build_env_script}"

    cd "${gn_root_dir}"
    setup_chrome_env_clang_chromecast `pwd -P` Eng
    generate_gn --check
  )
}

main "$@"