scripts/bootstrap_shac.sh

#!/bin/bash
# Copyright 2023 The Fuchsia Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

set -eu

SCRIPT_DIR=$(dirname "${BASH_SOURCE[0]}")
WORKSPACE_ROOT=""
SHAC_DIR=""
VERBOSE=0

source "$SCRIPT_DIR/common.sh" || exit $?

help() {
  echo
  echo "Script used to bootstrap the shac config files"
  echo
  echo "Usage:"
  echo "   $(basename "$0") [<options>]"
  echo
  echo "Options:"
  echo
  echo "  -h"
  echo "     Prints this help message"
  echo "  -v"
  echo "     Uses verbose output"
  echo
}

function log {
  if [[ "$VERBOSE" -eq 1 ]]; then
    echo "$@"
  fi
}

function main() {
  while getopts ":hv" opt; do
    case ${opt} in
      'h' | '?')
        help
        exit 1
        ;;
      'v')
        VERBOSE=1
        ;;
    esac
  done

  WORKSPACE_ROOT=$(get_workspace_root)
  log "Found WORKSPACE file at ${WORKSPACE_ROOT}"

  cd "${WORKSPACE_ROOT}/tools"

  # TODO(b/301136767): Don't assume these shared shac checks are always located here.
  SHAC_DIR="../third_party/fuchsia-infra-bazel-rules/shac"

  # If this repo is checked-out by itself, the above directory won't exist.
  # Exit cleanly to prevent issues in CQ.
  if [[ ! -d "${SHAC_DIR}"  ]]; then
    return
  fi

  ln -f -s "${SHAC_DIR}/scripts/shac" shac

  if [[ ! -L shac ]] || [[ ! -e shac ]] ; then
      echo >&2 "ERROR: failed to setup shac tool. Ensure ${SHAC_DIR} exists, then rerun this script."
      return 1
  fi

  if [[ ! -f ../shac.star ]]; then
    log "Creating shac.star file"
    cp "${SHAC_DIR}/bootstrap/shac.star" ..
  fi

  if [[ ! -f ../shac.textproto ]]; then
    log "Creating shac.textproto file"
    cp "${SHAC_DIR}/bootstrap/shac.textproto" ..
  fi

  log "Success: created shac tool: ${WORKSPACE_ROOT}/tools/shac"
}

main "$@"